Joshua Sampson was born 1699 in Duxbury, Plymouth County, Massachusetts to Caleb Sampson (1654-1744) and Mercy Standish (1660-1778) and died 4 August 1741 Duxbury, Plymouth County, Massachusetts of unspecified causes. He married Mary Oakman (1693-1745) 23 May 1724 in Duxbury, Plymouth County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Sarah Sampson (1723-) | |||
| Amos Sampson (1725-1759) | |||
| Anthony Sampson (1728-1815) | |||
| Arthur Sampson (1734-) | |||
| Huldah Sampson (1734-1778) | 23 June 1734 Duxbury, Plymouth County, Massachusetts | 18 May 1778 Duxbury, Plymouth County, Massachusetts | Ichabod Delano (1726-1778) |
Siblings
| Name | Birth | Death | Joined with |
| David Sampson (1685-1772) | |||
| Laura Sampson (1688-1715) | July 1688 Duxbury, Plymouth County, Massachusetts | 16 December 1715 Duxbury, Plymouth County, Massachusetts | Benjamin Simmons (1680-1749) |
| Rachel Sampson (1690-1761) | 5 December 1696 Duxbury, Plymouth County, Massachusetts | 21 June 1761 Duxbury, Plymouth County, Massachusetts | Moses Simmons (1681-1761) |
| Caleb Sampson (1692-1750) | |||
| Priscilla Sampson (1697-1758) | |||
| Ruth Samson (1698-1746) | 1698 Duxbury, Plymouth County, Massachusetts | 17 April 1746 Duxbury, Plymouth County, Massachusetts | John Fullerton (1696-1780) |
| Joshua Sampson (1699-1741) | 1699 Duxbury, Plymouth County, Massachusetts | 4 August 1741 Duxbury, Plymouth County, Massachusetts | Mary Oakman (1693-1745) |
| Sarah Sampson (1702-) | |||
| Jerisha Sampson (1705-1778) | |||