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Case Description
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Margaret Yablonski, aged 55, was tragically murdered on December 31, 1969, in Clarksville, Pennsylvania. She was the wife of Joseph "Jock" Yablonski, a candidate for the presidency of the United Mine Workers of America , who also lost his life in the attack along with their 24-year-old daughter, Charlotte. The murders were carried out by three hitmen hired by Tony Boyle, the incumbent president of the UMWA, who was embroiled in a contentious election campaign against Jock Yablonski.
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Links to Additional Sources (4)
See any mistakes?Victim Details
Margaret Yablonski
Female
White / Caucasian
Clarksville
PA
1970-01-01
55
Margaret
Yablonski
11/08/2025

