Party affiliation: Democrat
Jim Grennan, American lawyer. Bar: Oklahoma 1961, United States District Court 1962, United States Court Appeals (10th circuit) 1971, Supreme Court of the United States Court 1979. Advisory com Services to Deaf & Hearing Impaired, Department Human Services, Oklahoma City, 1989. With United States Navy, United States Naval Reserve, 1951-1959. Member Oklahoma Trial Lawyers Association, Oklahoma Bar Association, Phi Delta Phi., Masons.
- Adjuster claim supervisor, Aetna Life & Casualty Company, Tulsa and Baton Rouge, Louisiana, 1960-1968;staff attorney, Fireman's Fund Insurance Company, Oklahoma City, 1968-1971;associate, Don Manners, Inc., Oklahoma City, 1971-1977;president, Jim Grennan, Inc., Professional Corporation, Oklahoma City, since 1977.