Joseph Crissman/Christman

I am looking for information on a Joseph Crissman/Christman. He is my g-g-grandfather.He was born about 1846,location unknown.He married Mary Elizabeth Bowser abt. 1887 in Washington Co. PA.He supposedly died abt. 1895. I have very little information about this man except for what has been handed down to me from my grandfather. I have been told that he was a stow-a-way on ship from England and that he was the head excecutioner for the Queen of England. Don't laugh, my grandfather really believes this story and for all I know it could be true since I can't find this man anyhwere. So as anyone can see, I could really use some help.Thanks.

Sonia