Houston YDNA Groups

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1 Related
2 Groups A, B and MCH
3 Groups GSH, Sarecta, McCuiston, and UnMatched

……………………..The Tapestry
Families	Old Chester	OldAugusta	Germanna
New River	SWVP	Cumberland	Carolina Cradle
The Smokies	Old Kentucky

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Groups A, B and MCH

Groups A and B overlap to some extent with the Mill Creek Hundred Houston Group,primarily because of of kit XG5YT which was tested at 12 markers.<ref=name="Bridge">The precision of YDNA test results are highly dependent on the number of markers tested. The "error" associated with low level marker tests (12 and 25 markers) is such that they tend to match a broader array of kits. When groups have a share a common ancestor at at fairly shallow depth (relatively recent but beyond a genealogically meaningful timeframe) they may by chance share a higher percentage of markers among the few markers tested. This "bridging effect" tends to disappear with high order test results. </ref>

These three groups are probably independent of each other, with any common ancestor lying at a depth beyond a genealogically meaningful timeframe. Insufficient information is availble on the ancestry of the kits kits Groups A and B to assign a meaningful label. The MCH group, on the other hand is well documented, and understood. While there are probably subgroups within this group, each sharing its own common ancestor, it is thought that all members of the group still share a "deeper" common ancestor within a genealogically meaningful time frame. As of September 2012 the MCH lineage has the most commonly encountered YDNA signature among the Houston DNA tests in both the ySearch and related FTDNA data bases. (Only ySearch data is examined here, as the FTDNA Houston YDNA project provides no genealogical informatino about its participants.)

The there are two main lineages within the MCH Group that have been examined in considerable detail:

1: Descendants of Christopher Huston who died c1726 in Mill Creek Hundred, New Castle County Delaware

2: Descendants of William Houston of Whithorn, Wigtonshire, Scotland, whose son William settled in New Castle prior to 1700<ref name="except"WIlliam died childless, but left his land to his brother Anthony. Anthony, and/or his sons, immigrated to America to accept these lands. Kit owners in this line trace their descent to one of these sons.

The lineage for a number of descendants reflected in the kits tracing descent to SubGroup A and B, and used in this analysis, have been vetted to the extent that there is little doubt that the descendants who took the tests do in fact descend from either Christopher or William of Whithorn. Based on the similarity of their YDNA signtuatres there is little doubt that Christopher and William were closely related; Christopher may in fact descend from William, or is otherwise a close kinsman. However, their exact relationship is not currently known. Other members of the MCH group, sharing the same YDNA signature, trace their lineages to other individuals. In some cases there is no reason to question these lineages, though they have not been vetted to any appreciable extent. However, some of the lineages trace descent to someone in the General Sam Houston (GSH) lineage (See below). However, their YDNA signatures match that of the MCH lineage and not the GSH lineage. This suggests that the kit owner provided lineages for these latter kits are in error.