(1)  David Blair, born about 1618 in Ayrshire, Scotland, emigrated to Aghadowey, Antrim, Ulster, Ireland about 1820, where he died.  Father of:

1. Abraham, born about 1644 in Aghadowey, Antrim, Ulster, Ireland
2. James, mentioned below

        (2)  James Blair, born between 1644 and 1650 in Aghadowey, Antrim, Ulster, Ireland, died after 1732 in Massachusetts.  He married about 1660 in Aghadowey, Antrim, Ulster, Ireland, Rachel Boyd, born 1644 in Aghadowey, Antrim, Ulster, Ireland, died 10 March 1699/1700 in Aghadowey, Antrim, Ulster, Ireland.  They emigrated from Londonderry, Ireland, aboard The Robert arriving 4 August 1718 in Boston, Massachusetts.

Children

1. William, born 1682 in Aghadowey, Antrim, Ulster, Ireland
2. Robert, mentioned below
3. John, born 1683 in Aghadowey, Antrim, Ulster, Ireland

        (3)  Robert Blair, born 1683 in Aghadowey, Antrim, Ulster, Ireland, died 2 February 1775 in Worcester, Massachusetts, buired at Common Cemetery, Worcester, Massachusetts.  About 1703, he married in Aghadowey, Antrim, Ulster, Ireland, Isabella Rankin, born 1683 in Ireland, died 10 February 1765 in Worcester, Massachusetts, buried in Common Cemetery.  She was daughter of David Rankin, born 1666 in Scotland, who immigrated in 1685 to Aghadowey, Antrim, Ulster, Ireland, and died there in 1750.  Robert and Isabella emigrated with his parents from Londonderry, Ireland, aboard The Robert arriving 4 August 1718 in Boston, Massachusetts.

Children

1. Matthew, born about 1704/1705 in Aghadowey, Antrim, Ulster, Ireland
2. David, born 1708 in Aghadowey, Antrim, Ulster, Ireland
3. John, born 1710 in Aghadowey, Antrim, Ulster, Ireland
4. Dolly, born 1711 in Aghadowey, Antrim, Ulster, Ireland
5. Sarah, born 1715 in Aghadowey, Antrim, Ulster, Ireland
6. William, born 1718 at sea
7. James, born about 1719 in Massachusetts
8. Robert, born 10 June 1720 in Rutland, Worcester Co., Massachusetts
9. Elizabeth, born 1724 in Worcester, Massachusetts
10. Mary, born 1 April 1725 in Worcester, Massachusetts
11. Joseph, mentioned below

        (4)  Joseph Blair, born 1727 in Worcester, Massachusetts, died 8 February 1804 in Amherst, Massachusetts; married Mary, born about 1731.

Children (all born in Worcester, Massachusetts):

1. Charles, born 3 April 1752
2. Isabel, born 27 December 1754, died 3 March 1831 in Shoreham, Addison Co., Vermont; married before 1784 Samuel Wolcott, born 1751, died 1825 in Shoreham, Addison Co., Vermont.
3. Robert, born 26 March 1756
4. Increase, born 24 May 1758
5. Jarvis, born 24 May 1758
6. Mary, born 6 September 1760
7. Sarah, born 20 July 1762
8. Dorothy, born 12 May 1765
9. Elizabeth, born 1 July 1767
10. Hannah, born 10 July 1769
11. Joseph, born 21 March 1774
12. Charles, born 1 September 1776