NameDavid Allen Young 
Birth30 October 1830
Memo(PA Death Certificate)
Death18 April 1909
Memo(PA Death Certificate)
Parent-Proof notes for David Allen Young
His full name comes from find-a-grave. His dob and dod dates are on find-a-grave and also his death certificate which says his parents were John Young and Margaret Philips and that he (David) was born in Irish Valley, PA, I think referring to the Paxinos area of Northumberland County.
Census History notes for David Allen Young
1850. David age 20 and Susan 25 with daughter Margaret live in North’d Borough, next door to George Young.