There is a bio on Arthur Jervis in the History of Crawford Co.This site is now on line.Happy Hunting!

Here is the link
http://www.accessible.com/amcnty/PA/Crawford/CrawfordBiosS.h...

Brown, Robert C., History of Crawford County, (Part 5), pp. 962-970.
ROCKDALE TOWNSHIP.
ARTHUR JERVIS, farmer, P.O. Cambridgeboro, was born in Armstrong County, Penn., September 27, 1829, son of Thomas R. and Jane (Haughay) Jervis, who settled in Rockdale Township, this county, in 1839, on the farm now owned by our subject, where they lived and died. They were parents of three children: John, Arthur, and Isabel, wife of Jacob Decker, both now deceased. Our subject was married January 9, 1859, to Mary M., daughter of George and Sarah (Spencer) Wilcox, of Rockdale Township, this county, by whom he has had five children: Donna N., wife of Ernest Birchard; Comma, Emmett, Frank, Jimmy, Jennie and Kate. Jimmy and Jennie are deceased. Mr. Jervis occupies a part of the homestead where his father first settled. He is a member of the A.O.U.W. In politics is a Democrat. Both he and his wife are members of the Methodist Church.