Keith A Mast and Joan T Oneil were married on May 5, 1984 in Dallas County, Texas.
At the time of their marriage, Keith was 38 and Joan was 26. This marriage was recorded with State File Number 057128.
If still married, Keith and Joan would be celebrating 42 years of marriage in 2026.
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To obtain a certified copy of the marriage certificate, contact the Dallas County Clerk's Office or the Texas DSHS Vital Statistics office.