Bob Callahan was born in 1937.
Bob Callahan - American football - was born on 1923-09-26.
Bob Callahan - American football - died on 2011-03-10.
Donald A. Callahan was born in 1876.
Leah Callahan was born in 1987.
Mat Callahan was born in 1951.
Victor Callahan was born in 1963.
Errett Callahan was born in 1937.
Ethelbert Callahan was born in 1829.
Henry Callahan was born in 1957.
Steven Callahan was born in 1952.
Tom Callahan was born in 1921.
Ben Callahan was born in 1957.