Hi, I am a decendant of Isaac McGowen's I too am looking for his parents.I can tell you a few things I have been able to find.One of which is that the last name is McGowen with an E not an A.He was born July 18, 1825 he was married to Charlotte Truax on June 27, 1847 in Nappanee, Indiana and he died in on Oct. 12, 1875. He several children: Sarah J McGowen (1848-1932)
Parley A McGowan (1850-)
Levi P McGowan (1853-)
William Jasper McGowen (1854-1945)
James Henry McGowan (1856-1914)
Charles J McGowan (1859-)
I am the great great grand-daughter of William Jasper McGowen.I have been trying too to find who Isacc's parents are but so far no luck.I hope this helps you some.