Isaac Colby
- Born: 6 Jul 1640, Salisbury, Essex, Massachusetts, United States
- Marriage (1): Martha Parrait in 1668 in Salisbury, Essex, Massachusetts, United States
- Died: 15 Apr 1684, Haverhill, Essex, Massachusetts, United States at age 43
 General Notes:
1. Colby Family in America, by Ronald Colby, pp 4, 8, 9,16-19
2. Amesbury Vital Records
3. Pope, p 424
4. Father's will
5. IGI
He was a planter
will probate 15 Apr 1684
sold land to Christopher Bartlett of Nuberie (p16) in 1665
and to Richard Bartlett of Nubery (p17) in 1670
Isaac married Martha Parrait, daughter of Dea. Francis Parrat and Elizabeth Parrat, in 1668 in Salisbury, Essex, Massachusetts, United States. (Martha Parrait was born on 9 Oct 1649 in Rowley, Essex, Massachusetts, United States and died on 13 Jul 1730 in Rowley, Essex, Massachusetts, United States.)
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