Lt. Samuel Blanchard was born on 17 Aug 1717 in Billerica, Middlesex Co., Massachusetts. He died on 26 Mar 1807 in Billerica, Middlesex Co., Massachusetts and was buried in Old South cemetery in Billerica, Middlesex Co., Massachusetts. He was married to Mary Brown on 14 Jul 1747 in Billerica, Middlesex Co., Massachusetts.

Mary Brown was born on 21 Mar 1727/28 in Billerica, Middlesex Co., Massachusetts. She died on 5 Mar 1811 in Billerica, Middlesex Co., Massachusetts. Children were:

i. Mary "Mollie" Blanchard was born on 26 Jan 1747/48 in Billerica, Middlesex Co., Massachusetts.
ii. Samuel Blanchard was born on 6 Mar 1748/49 in Billerica, Middlesex Co., Massachusetts.
iii. Col. William Blanchard was born on 21 Mar 1751 in Billerica, Middlesex Co., Massachusetts. He was baptized on 24 Mar 1751 in Billerica, Middlesex Co., Massachusetts. He died on 8 Jan 1833 in Wilmington, Middlesex Co., Massachusetts.
iv. Sarah Blanchard was born on 31 Jan 1754 in Billerica, Middlesex Co., Massachusetts. She died on 27 Oct 1838 in Greenfield, Hillsborough Co., New Hampshire.
v. Timothy Blanchard was born on 16 Oct 1755 in Billerica, Middlesex Co., Massachusetts.
vi. Martha Blanchard was born on 2 Aug 1757 in Billerica, Middlesex Co., Massachusetts. She died on 25 Feb 1812 in Wilton, Hillsborough Co., New Hampshire.
vii. Rhoda Blanchard.
viii. Jeremiah Blanchard was born on 10 Jul 1764 in Billerica, Middlesex Co., Massachusetts. He died on 22 May 1819 in Billerica, Middlesex Co., Massachusetts.
ix. Ahimaaz Blanchard was born on 26 Apr 1767 in Billerica, Middlesex Co., Massachusetts. He died in 1814 in Moriah, Essex Co., New York.
x. Jonathan Blanchard was born on 20 Feb 1769 in Billerica, Middlesex Co., Massachusetts. He died in 1835.