In the 1880 census for Pennsylvania I found a Martin Yarnall who married Catherine they had the following children : Samuel , then a set of twins, then Louisa they lived in Butler Twp. , Schukill County,Pennsylvania.
My wife Shirley is a descendant of Louisa b. 7. Nov 1874 Louisa married Frederick O. Long in 1891. They lived in Schuykill County and in Allentown,PA