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Case Description
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James Marcellus “Pops” Callahan, a 63-year-old male, had spent most of his working life with his hands and his back—earning a living as a carpenter-contractor in Milwaukee and, long before that, serving his country with the 8th Air Force during World War II. Though originally from the small farming community of Hollandale, Wisconsin, he found himself in Tulsa, Oklahoma, by the late summer of 1978, thousands of miles and many years removed from his wartime service and earlier life up north. ...Read More
James Marcellus “Pops” Callahan, a 63-year-old male, had spent most of his working life with his hands and his back—earning a living as a carpenter-contractor in Milwaukee and, long before that, serving his country with the 8th Air Force during World War II. Though originally from the small farming community of Hollandale, Wisconsin, he found himself in Tulsa, Oklahoma, by the late summer of 1978, thousands of miles and many years removed from his wartime service and earlier life up north. ...Read More
Links to Additional Sources (5)
See any mistakes?Victim Details
John Callahan
December 1, 2022
Male
Tulsa
OK
1978-08-12
1978-08-12
63
John
Callahan
11/23/2025
Area Body Found:







