Ancestors in Family Tree
- Brennan, Paul Andrew 1897-1973
- Brennan, Pauline 1907-2005
- Brennan, Paul J 1922-2005
- Brennan, Paul Thomas 1947-2006
- Brennan, Paul William 1931-2004
- Brennan, Paul William 1931-2004
- Brennan, Pearle 1912-2009
- Brennan, Pearl Faye 1926-2000
- Brennan, Peter 1803-1873
- Brennan, Peter 1859-1940
- Brennan, Peter 1860-1937
- Brennan, Peter 1902-2000
- Brennan, Peter 1904-1989
- Brennan, Peter 1918-2010
- Brennan, Peter 1936-2012
- Brennan, Peter John 1893-
- Brennan, Peter Richard 1922-2005
- Brennan, Philip 1900-
- Brennan, Philip James 1913-1999
- Brennan, Philip K. 1908-1934
- Brennan, Phoebe Jane 1843-1881
- Brennan, Phyllis 1942-2001
- Brennan, Phyllis A. 1924-2005
- Brennan, Phyllis Dawn 1927-2002
- Brennan, Phyllis Lillian Grace -2008
- Brennan, Phyllis Mary 1925-2001
- Brennan, Rachel 1903-1986
- Brennan, Rachel V. 1860-
- Brennan, Ralph Edward 1941-2003
- Brennan, Raphael A. 1917-2001
- Brennan, Raymond Allen 1932-2003
- Brennan, Raymond E 1904-1933
- Brennan, Raymond Francis 1930-2005
- Brennan, Raymond T 1924-2003
- Brennan, Reita Alice 1922-2014
- Brennan, Renee Michele 1953-2007
- Brennan, Richard 1864-
- Brennan, Richard A. 1879-1958
- Brennan, Richard F. 1850-