Mercy Sears Ryder was born circa 1718 in Chatham, Barnstable County, Massachusetts, United States to Daniel Sears (c1682-1756) and Sarah Howes (1685-1748) and died 24 December 1765 Chatham, Barnstable County, Massachusetts, United States of smallpox. She married Stephen Ryder (1718-1766) 1736 in Barnstable County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| Jerusha Ryder (1739-1766) | 1739 Massachusetts, United States | 7 January 1766 Chatham, Barnstable County, Massachusetts, United States | Knowles Godfrey (1735-1766) |
| Mary Rider (1742-1765) | |||
| Mercy Ryder (1743-1765) | |||
| Stephen Ryder (1745-1765) | |||
| Experience Ryder (1747-1765) | |||
| Richard Rider (1749-1765) | |||
| David Ryder (1752-1765) | |||
| Simeon Ryder (1755-1877) | |||
| Child Ryder (1757-1765) | |||
Siblings
| Name | Birth | Death | Joined with |
| Rebecca Sears (1709-1765) | |||
| Daniel Sears (1712-1761) | |||
| Sarah Sears (1714-1751) | |||
| Richard Sears (1716-1746) | |||
| Mercy Sears (1718-1765) | 1718 Chatham, Barnstable County, Massachusetts, United States | 24 December 1765 Chatham, Barnstable County, Massachusetts, United States | Stephen Ryder (1718-1766) |
| David Sears (1720-1746) | |||
| Deborah Sears (1722-1796) | |||
Residences
Footnotes (including sources)
| ‡ General |
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