Mary Adams Dobbs Alden was born 22 June 1735 in Medway, Norfolk County, Massachusetts to Phineas Adams (1705-1756) and Susan Kingsbury (1711-1739) and died 6 March 1774 of unspecified causes. She married John Alden (1731-1793) 26 September 1754 in Medway, Norfolk County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Millicent Alden (1755-1855) | |||
| Mary Alden (1757-) | |||
| Sarah Alden (1760-1803) | 21 March 1760 Medway, Suffolk County, Massachusetts, United States | 29 June 1803 Rutland, Worcester County, Massachusetts, United States | Daniel Adams (1750-1832) |
| John Adams Alden (1763-1843) | 11 July 1763 Medway, Norfolk County, Massachusetts | 13 April 1843 Solon, New York | Hannah Daniels (1768-1843) |
| Lois Alden (1765-) | |||
| Phinehas Alden (1768-) | |||
Siblings