Mary Gardner Boylston was born 9 April 1648 in Roxbury, Suffolk County, Massachusetts to Thomas Gardner (1620-1689) and Lucy Smith (1619-1687) and died 8 July 1722 Brookline, Norfolk County, Massachusetts of unspecified causes. She married Thomas Boylston (1644-1695) 13 December 1665 in Charlestown, Suffolk County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Sarah Boylston (1666-1736) | |||
| Edward Boylston (1667-1672) | |||
| Mary Boylston (1669-1683) | |||
| Richard Boylston (1670-1752) | |||
| Peter Boylston (1676-1743) | 1673 Brookline, Norfolk County, Massachusetts | 10 September 1743 Brookline, Norfolk County, Massachusetts | Ann White (1686-1772) |
| Abagail Boylston (1674-1756) | 15 November 1674 Roxbury, Suffolk County, Massachusetts | 23 May 1756 Medford, Middlesex County, Massachusetts | Ebenezer Brooks (1670-1742) |
| Lucy Boylston (1678-1718) | |||
| Zabdiel Boylston (1679-1766) | 9 March 1679 Brookline, Norfolk County, Massachusetts | 1 March 1766 Brookline, Norfolk County, Massachusetts | Jerusha Minot (1679-1764) |
| Rebeca Boylston (1685-1762) | |||
| Dudley Boylston (1688-1748) | |||
| Thomas Boylston (1690-1739) | 1690 Watertown, Middlesex County, Massachusetts | 1739 | Sarah Morecock (1697-1774) |
| Joanna Boylston (1692-1775) | |||
Siblings
| Name | Birth | Death | Joined with |
| Andrew Gardner (1642-1690) | |||
| Thomas Gardner (1645-1695) | |||
| Mary Gardner (1648-1722) | 9 April 1648 Roxbury, Suffolk County, Massachusetts | 8 July 1722 Brookline, Norfolk County, Massachusetts | Thomas Boylston (1644-1695) |
| Peter Gardner (1650-1653) | |||
| Abigail Gardner (1652-1735) | |||
| Lucy Gardner (1655-) | |||
| Joanna Gardner (1656-1724) | |||
| Joshua Gardner (1659-1700) | |||
| Jane Gardner (1662-1724) | |||
| Caleb Gardner (1662-1681) | |||
| Johnathan Gardner (1664-) | |||