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I have never heard of the person you named,like you said there were alot of Clarks.I come from the Virginia Clarks,my William is found in the Washington County tax list in 1840,but was in Pa tax list in 1830.I don't see that we are related,unless we have other surnames that match.My Luke family also were early settlers of the Duck Creek area.
Other surnames;Addlesperger,Brown,Rhodes,Linton,Luke Kiles,Kyles,Green,Boney,and many more.