History of Allegheny county, Pennsylvania : including its early settlement..Chicago : A. Warner Co., 1889 Cushing, Thomas, 1821.
Pg. 384 PETER D. DEVLIN, a native of County Tyrone, Ireland, came to America shortly after his marriage with MARTHA McCLARNING, and settled in Baldwin Twp., where he farmed until his death in November 1866, when he was 73 years of age. His wife died later, at about the same age.They were prominent members of the Catholic Church, and were the parents of 14 children, viz.: ELLEN(who was born in Ireland and died on the ocean), JAMES (who was at New Orleans during the rebellion, and is supposed to have been killed), JOHN F. (who still survives), ISABELLA (who died in 1864), MARY (known in religion as SISTER PHILOMENA, was the founder of the house of the Sisters of Mercy, Buffalo, N. Y.), THERESA (known in religion as SISTER REGINA, and still resides in Buffalo, N. Y.), PETER (who is deceased), JOSEPH F. (who married SELINA, daughter of JAMES BENNETT; she died in May, 1872, aged 27 years, and of whom 5 children survived, viz.: WILLIAM V., MARK P., MARTHA M., MARY A., MARY PAULINE, deceased), PETER C. (a civil engineer, who died age about 40 years, had explored in the west with geological expedition), ANNIE M., DANIEL (who was educated at St. Charles College, Maryland) and MARK (who was educated at St. Michael’s Seminary, Pa.); both DANIEL and MARK were ordained priest and attached to the diocese of Pittsburgh; LUKE and MARTHA.