Mary Jackman
- Born: 1644, Bradford, Essex, Massachusetts
- Marriage: : John Hardy on 2 Apr 1666 of Bradford, Essex, Massachusetts
- Died: 2 Dec 1689, Bradford (Now Groveland), Massachusetts at age 45
Mary married John Hardy, son of Thomas Hardy and Lydia, on 2 Apr 1666 of Bradford, Essex, Massachusetts. (John Hardy was born about 1646 in Ipswich, , Massachusetts, christened in 1647 in Bradford, Essex, Massachusetts, died on 4 Feb 1714 in Bradford, Essex, Massachusetts and was buried in Bradford Burial Ground, Bradford (Haverhill), Massachusetts.)
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