Hello I just recently started my family tree and ran across your thread. I found this Information I attached a few weeks ago and figured this could help you. Johanna Margaret Brennan(nee Connor) married a James J. Brennan(1851-1925)and they had 5 children. Her son James(C.Connor)Brennan was my great-grandpax2.Please feel free to contact me if you would like.
Kind Regards
Sarah Brena Sbrena@prtcnet.com

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Johanna Margaret Brennan [nee Connor]

Birth:1855 Massachusetts
Death: July 6, 1915 Cook County Illinois

AGE: 58 years

1915-07-07
Chicago Tribune (IL)

Johanna Margaret Brennan [nee Connor], beloved wife of James J. Brennan, mother of James C., Winifred, Mrs. Victor Horlehan, Mark, and Eileen, sister of John T. and Maurice Connor, Mrs. Kate Clifford, Mrs. William Butler, Mrs. Edward Hederman, and Sadie F. Connor. Funeral Thursday, 9:30 a.m., from late residence, 2517 N. Mozart-st., to St. Sylvester's church, autos to Mount Carmel.

Burial:
Mount Carmel Cemetery
Hillside
Cook County
Illinois, USA

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=37...