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Locating Yourself in a Y-DNA Descendant Group: Reading the "Dalton America Y-DNA Charts"
Relationship among
Daltons of the Virginia Piedmont
Ancestors
of the Piedmont Daltons
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Locating Yourself in a Y-DNA Descendant Group: Reading the "Dalton America Y-DNA Charts"
You may access the results chart for the
Dalton America Family Group by clicking on <DNA
Results> on the menu at the left on the
Dalton America Family Group home page.
Then choose either the classic or colorized
chart. The value of either of these charts
is to reveal groupings of Y-DNA samples that
indicate a recent common ancestor. Thus,
the individual line (except your own) is not as
important as the grouping.
FTDNA provides some assistance on how to read the
chart in the paragraph above the data on the chart
page. Just a quick reminder if
reviewing the values on the markers: the chart is
wide so be prepared to move the screen right and
left with the navigational bar on your browser
screen. The lines that list Max/Min/Mode for
each group are primarily useful in locating the
group variations that define the chart’s
structure.
The third column on the chart is the earliest
known ancestor as reported by the member.
Sometimes members list the documented earliest
ancestor, sometimes the earliest known to the
family, sometimes the listing may even be
speculative. Thus, this information should
not be interpreted as necessarily
documented. Exploring the meaning of the
earliest known ancestor listing may well be
fruitful correspondence with your fellow
member. The project administrators urge care
in listing the earliest known ancestor, listing
those you are reasonably confident are in your
line, but we do urge you to list the earliest male
for Y-DNA and female for mtDNA whom you know is in
your line. Adding their birth date and
location is useful as well. To update this
information begin on your FTDNA dashboard.
Press the “Manage Personal Information” link (in
orange) under PROFILE to the left of the
screen. On the next page that opens press
the “Genealogy” tab. You may edit the
relevant information under the “Earliest Known
Ancestors” section of this page. Press the
<Save> button before you leave the page.
In addition to these general instructions for
results charts, we would like to provide some
information that will be useful to you in reading
the specific chart for Dalton America.
Origins of the Groups
Each group represents a cluster of Y-DNA
tests from members who probably share a common
ancestor within the time frame of our
project. Groups 1 through 8 trace their
ancestry back to the Virginia Piedmont in the
1730s and 1740s. Groups 1 through 7 appear
to share a common ancestor within the horizon of
Y-DNA. We simply do not know who that
common ancestor is. The groups are
differentiated because a mutation has separated
descendants of an individual from others who
descend from that common ancestor. Groups
followed by letters (example: 3A) show a further
mutation at a later date from those who are in
the numbered group.
When we know where the mutation first
appeared, the name of the common ancestor who
originated the mutation, we have identified it
below. When we do not, we invite those
within that group to help us approach that
research challenge.
Groups designated with a number proceeded by
the letter A indicate groupings of members
within our project who do not seem to descend
from the Daltons of the Virginia Piedmont, but
who the DNA suggest descend from a common
ancestor. We invite those within these groups to
help us identify that common ancestor.
Guide to the Groups
Group 1: Pittsylvania/Mayo Cluster
A group of members who generally trace their
ancestry to Albemarle/Pittsylvania Daltons and in
which no later mutation has yet been
identified. Included are established
descendants of Samuel Dalton of Mayo, Robert and
Mary Keys Dalton, John and Patience Dalton, and
Timothy Dalton of Bedford County VA. More
test kits from these lines and expanding tests to
at least 67 markers would help differentiate the
various branches of these early Daltons.
Since this is a large group and rather
undifferentiated, we urge members appearing in
this group to expand their test markers.
Group 1A: A shared mutation on marker 393;
Descendants of John Flanagan Dalton
Marker 393 does not typically mutate so a
shared value on this marker is quite
significant. The current members with this
mutation identify themselves as descendants of
John Dalton and Mary Ann Flanagan who left
Pittsylvania County for Sumner County TN in
1812. He has been documented to be the son
of Robert Dalton of Pittsylvania County.
Other descendants of Robert Dalton do not carry
this mutation, and the members with this mutation
descend from different sons of John and Mary Ann
Flanagan Dalton, so it is likely that this
mutation originated with John.
Group 2: A shared mutation on marker 464
More research is required to establish the
common ancestor of these testers. They
appear to be descendants of the families named in
Group 1 but with a mutation in a later generation
that separates them from group 1. More Y-DNA
tests and documentary genealogy may help locate
that later ancestor. Group 2a is a sub group
who reflect a later mutation from Group 2.
We would be happy to work with the members of
Group 2 and 2a in finding their common ancestor.
Group 3: A different mutation on marker 464
It is unclear whether the small Group 3
represents a later mutation from Group 2 or a
different mutation from Group 1. Currently
this is a small group. Perhaps additional
members’ tests and more research will clarify the
links between this group and Group 1. The
common ancestor is unidentified.
Group 4: A 38-40 on marker CDY; Many are
descendants of Reuben Dalton of Grainger County TN
This is the first of the groups that cluster as
a result of mutation on the CDY marker, this to a
38-40 value. Many of those listed are
descendants of Reuben Dalton of Grainger County
TN. The need for this group is to fill out
the later mutations to delineate Reuben’s
descendants’ families and to confirm that Reuben
hosted the original mutation. Isham Dalton
of Madison County KY appears to have carried this
mutation as well, suggesting that he and Reuben
may have had a common father in Albemarle County
VA before their migrations who hosted the original
mutation. Isham Dalton did not pass through
Southside Virginia on his way to Kentucky, so the
common ancestor would trace back to Albemarle.
Subgroups 4a and 4b represent additional mutations
later than Reuben. More of Reuben’s
descendants are needed to determine when these
later mutations occurred.
Group 5: A 37-39 on marker CDY; Descendants of
William Dalton of Grayson County VA
This group carries a different mutation on the
CDY marker, sharing a value of 37-39.
This cluster appears to trace to William Dalton of
Grayson/Carroll Counties VA. Additional
tests here will help to separate the families of
William’s sons, as well as indicating whether
William hosted the original mutation or received
it from an earlier generation. William's
parentage has not yet been established in
documentary research.
Note for Group 5 members: We have discovered that the CDY marker
is one of the easiest ones to mutate and as a result several people who
do not trace their linage to William of Grayson have the 37-39
combination. So, unlike some of these other markers, we do need
careful linage as well as the marker to identify the descendants of
William. We recommend that those in this group take special care
to upload their ancestral tree.
Group 6: Descendants of Jeremiah Dalton of
Southeast MO
The two members in this group share a common
documented ancestor in recent generations and have
documented linage to Jeremiah Dalton who was born
in 1833 in the Southeast MO mining country. Many
of the Daltons from this region descend from John
Elijah Dalton, but we do know that the economic
opportunity of the mines brought several different
Dalton families to the area.. We also know that
this DNA does not match known DNA from John
Elijah. Curiously, these members are some genetic
distance from Group 1 yet share enough DNA to make
a relationship in the distant past possible.
There is enough disparity, however, to cast doubt
that Jeremiah passed through the Virginia
Piedmont. Of the 14 of 67 markers that differ from
Group 1, half of them are on markers that seldom
mutate. That indicates a longer pattern of
mutation than explained by a single century. More
documentary genealogy or more tests falling into
this group will be necessary to determine the
common ancestor.
Group 7: A mutation to a value of 10 on marker
460
A distinct 10 value on marker 460 marks this
group. This has added importance because a
mutation on marker 460 occurs less frequently than
on some other markers. Ancestors represented
in this group migrated to the mining region of
southeast MO, Halifax County VA, and Jackson
County MO. It is unknown who hosted the
original mutation. More tests from these
families may help us to locate that original
host. Extensive documentary research has
been unable to locate the common ancestor, but
with the group established by Y-DNA testing, the
researchers from these varied geographic areas may
locate additional helpful documents.
Group 8: Descendants of David Dalton, Sr., of
Rutherford County NC
Noteworthy is that the Y-DNA patterns for this
family seem to vary from those in Group 1.
This result indicates more than one root for the
Daltons of the Virginia Piedmont. This group
likely contains the descendants of David Dalton
who moved his family from Albemarle County VA to
Rutherford County NC during the Revolution.
David’s descendants spread west into Tennessee and
beyond. We have less differentiation among
his children. More tests will help to sort
out the various children of David and perhaps also
help in locating his father in Albemarle.
Group 9: Descendants of Moses Dalton of the
Potomac River and Kentucky
Moses Dalton (or Daulton) moved from the
Potomac River in VA to what is today Maysville KY
after the Revolution. Moses does not appear
to descend from the Daltons of the Virginia
Piedmont, but is related to them. The value
of additional tests from Moses’ descendants would
be to help find their link to the Daltons of the
Piedmont and to differentiate lines among Moses
descendants.
Group 10: Descendants of George Dalton of Pittsylvania County VA and Allen County KY
We have identified one descendant of the man known as "English
George" who came to Pittsylvania County VA and then moved with his
family to Allen County KY. Identification occurred through
connections with the English Dalton family. We would like to have
other descendants of English George to help us sort out his descendant
lines.
Group A1, A2, A3
These small groups are some genetic distance
from the Y-DNA patterns characteristic of the
descendants of the Daltons on the Virginia
Piedmont. The members of the groups share
enough Y-DNA that by working together they may be
able to find their common ancestor.
Additional tests falling into these groups may
also help uncover the unknown common ancestor or
even show a relationship we cannot now see to the
Daltons of the Piedmont.
No Current Subgroup
These members Y-DNA patterns do not yield
indications of a common ancestor with those
currently tested and belonging to the family
group. Presumably as more people join the
group the members in the Dalton line should be
able to be placed into new groups with others who
share a common ancestor with them. Other
members in this group may trace to male lines
other than Daltons, either because of currently
unknown adoptions or unusual parenting
situations. Others may have joined the group
because of interest in the Daltons without the
surname falling in their male to male to male
line. This is the group who benefit most
directly by expansion of our Y-DNA pool. Those who
have joined the group following Family Finder,
mt-DNA or other DNA tests will find us providing
background to help them as time goes on.
Ungrouped
Members who fall in this group have not yet
been placed into other groups.
Contacting members of your group
New privacy protections make this process
tricky, but we will offer assistance. If you
will email the administrators, requesting that
they put you in touch with the members of a group,
specifying the group number you wish to contact
and giving permission to release your email
address to the members of that group, we will put
you in touch. Due to privacy restrictions,
we will send a message or forward your message
with the email of addressees masked. Your
email address will be the only one visible to
those receiving the email. We will inform
the recipients that you wish to contact them and
urge them to respond to you directly. It
will then be at their discretion whether to
respond.
Further Assistance
Beyond this effort to put you in touch with
members, we welcome any question you may have
about the Dalton America Y-DNA grouping chart or
suggestions you may have for changes in the
groupings.
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