1740: Joseph Allen, from Litchfield, had one of the houses that had been erected at Cornwall, as one of the first settlers. 
1740/1: August: Joseph was selected for the committee to obtain a preacher for the town. 
1742: Sold the remainder of his lands at Litchfield to Thomas Harrison. 
Joseph married Mary Baker on March 11, 1736/7 at Woodbury, Connecticut. Mary was born in January 1708, Woodbury, Connecticut, (daughter of John Baker and ? Comfort).
Joseph died on April 4, 1755 at Cornwall, Connecticut. 
A monument to his memory stands in the Allen Cemetery at Cornwall. The inscription reads: To The Pioneers of Cornwall 1739-1763 Of Whom Joseph Allen Only Is Known To Lie Here Four of His Sons Besides Ethan Allen Helped Capture Fort Ticonderoga
Ethan Allen born 21 Jan 1738, Litchfield, Connecticut, married (1) 23 Jun 1762, in Woodbury, Connecticut, Mary Brownson, born 1732, (daughter of Cornelius Bronson and Abigail Jackson) died 1783, married (2) 9 Feb 1784, in Westminister, Vermont, Frances Montresor Brush Buchanan, born 4 Apr 1760, New York, NY, died 1834. Ethan died 12 Feb 1789, Burlington, Vermont, buried: abt 21 Feb 1789, Green Mountain Cemetery, Burlington, Vermont.
Heman Allen born 15 Oct 1740, Cornwall, Connecticut, married Abigail Beebe, born 1753, died 1837. Heman died 18 May 1778, Revolutionary War, buried: Green Mountain Cemetery, Burlington, Vermont.
Lydia Allen born 6 Apr 1742, Cornwall, Connecticut, married John Finch. Lydia died 1770, Goshen, Connecticut.
Heber, 2nd, Allen born April 4, 1743 at Cornwall Connecticut,; married on March 17, 1768, Sarah Owen who was born July 18, 1748 and died in 1787 at Colchester, Vermont,and was buried in the Green Mountain Cemetery, at Burlington, Vermont. Heber died April 10, 1782 at Poultney, Vermont and buried in the Old Cemetery, East Poultney, Vermont.
Levi Allen born 16 Jan 1745, Cornwall, Connecticut, married (1) Anna (Nancy) Allen, married (2) Nancy ?. Levi died Jan 1801, Debtor's Prison, Burlington, Vremont, buried: Elmwood Avenue Cemetery, Burlinton, Vermont.
Lucy Allen born 2 Apr 1747, Cornwall, Connecticut, married Lewis Beebe, born 1749, of Salisbury, Litchfield, CT, died 1816.
Zimri Allen born 10 Dec 1748, Cornwall, Connecticut, died 1776.
Ira Allen born 1 May 1751, Cornwall, Connecticut, (born 21 Apr 1751 married 1890/91, Jerusha Hayden Enos Jr., born 1764, (daughter of Roger Enos and Unknown) died 1838. Ira died 07 Jan 1814, Philadelphia, Pennsylvania.
↑ Baldwin, Thomas, compiler. Vital Records of the Town of Deerfield Massachusetts to the Year 1850, NEHGS, Boston, Massachusetts 1920 p. 12
↑ 2.02.12.2 Roberts, Gary Boyd, compiler. Genealogies of Connecticut Families: From the New England Historical and Genealogical Register. Vol. 1, Adams-Gates. Reprinted from the New England Genealogical and Historical Register. Genealogical Publishing Co., Baltimore, Maryland, 1983 p. 16
↑ 3.03.13.23.18.104.22.168.7 Cothren, William. History of Ancient Woodbury, Connecticut: From the First Indian Deed in 1659 to 1854; Including the Present Towns of Washington, Southbury, Bethlem, Roxbury, and a Part of Oxford and Middlebury, Volume 1. Bronson Brothers, Waterbury, Connecticut. 1854 p. 413
↑ 4.04.14.24.34.44.5 Gold, Theodore Sedgwick. Historical Records of the Town of Cornwall, Litchfield County, Connecticut, Press of the Case, Lockwood & Brainard Company, Hartford, Connecticut, 1877 p. 9-12; p. 46;
It may be possible to confirm family relationships with Joseph by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Joseph:
Lydia Allen, child on this profile was born in 1706, and appears not to be the correct child of this couple, married in about 1737, she should be disconnected from these parents. Lydia- http://www.wikitree.com/wiki/Allen-8