Intro
There was a married couple named Peter O'Brien and Mary (nee Murray) O'Brien, living in Philadelphia, PA, USA, in the late 1800s and early 1900s. Peter and Mary (nee Murray) O'Brien are relevant to my family history research effort as, according to Ancestry.com, their great granddaughter, Christine (nee Schluckebier) Quinn, has an autosomal DNA match to me.

Offspring
Peter and Mary (nee Murray) O'Brien had seven children that I am aware of. I have listed those children in the table below. To browse any of the additional info I have obtained and posted to the internet for any of Peter and Mary (nee Murray) O'Brien's children, click on the links in the table.

Children of Peter and Mary (nee Murray) O'Brien

Child's Name	Born	Birth Loc.	Other Info
Peter O'Brien	About 1892?	Philadelphia, PA, USA	Died Nov. 26, 1895, Philadelphia, PA, USA
Maggie Agnes O'Brien	Aug. 16, 1894?	Philadelphia, PA, USA
Christina O'Brien	Oct. 18, 1896??	Philadelphia, PA, USA	Married William Lyons, Mar. 21, 1921, Philadelphia, PA, USA
Eugene O'Brien	About 1898	Philadelphia, PA, USA
Mary O'Brien	About 1900	Philadelphia, PA, USA	Married John Joseph Rush, Feb. 18, 1921, Manhatten, NY, USA
Francis O'Brien	About 1902?	Philadelphia, PA, USA
Julia O'Brien	Nov. 10, 1907?	Philadelphia, PA, USA	Married Mr. Callahan