Background
Callahan, Dennis John was born on October 3, 1953 in Chicago, Illinois, United States. Son of John Blyer and Kathleen Agnes Callahan.
Callahan, Dennis John was born on October 3, 1953 in Chicago, Illinois, United States. Son of John Blyer and Kathleen Agnes Callahan.
Bachelor of Science, Illinois Benedictine College, 1975. Juris Doctor, DePaul University, 1978.
Associate Shaheen, Lundberg & Callahan, Chicago, 1979-1981, Erde & Chaconas, Chicago, since 1982.
Married Mari Carol Barth, July 17, 1976. Children: Amanda Barth, Elizabeth Hudson.