My Daniel J. McGeehan (don't know what the J is for but his father was James McGeehan and mother was Anna Gallagher) was born in Ireland in 1842. He came to the US, to McAdoo, sometime between then and 1861. He fought in the Civil War first battle of Bull Run in a Pennsylvania 6th Regiment. I am also looking for his siblings...in those days it was improbable to find an only child so we keep looking. Does this help? What can you tell me?