Their children were born from 1766 to 1797 in Tisbury, Martha's Vineyard Island, Dukes County, Massachusetts. (8)

Cornelius Dunham was a resident of Tisbury, Martha's Vineyard, Dukes County, Massachusetts. Cornelius Dunham was a yeoman and mariner. Cornelius Dunham served in the Sea Coast Defense 1775-6. (3) Corporal Cornelius Dunham was in Capt. Benjamin Smith's Company. Cornelius Dunham enlisted Oct. 13, 1775; service to Dec. 1, 1775, 1 mo. 21 days; company stationed at Martha's Vineyard Island, Massachusetts, for defense of seacoast. (13)

Cornelius Dunham supplied 37 sheep and 1 head of cattle to General Gray, Commander of the British Troops, at Martha's Vineyard Island, Massachusetts, September 1778. A John Dunham supplied 14 sheep and 2 head of cattle. (9)

Cornelius Dunham of Tisbury, Martha's Vineyard Island, Dukes County, Massachusetts, was present at the Convention of the Commonwealth of Massachusetts, when it convened at Boston on the 9th day of January 1788 and continued until the 7th of February 1788. The Convention was called to consider the ratification of the Federal Constitution by Massachusetts. John Hancock was President of the Convention. Cornelius Dunham voted yea to the ratification of the Federal Constitution. There was a total of 187 Yeas and 168 Nays. (10)

Cornelius Dunham was in the 1790 Census of Tisbury, Martha's Vineyard Island, Dukes County, Massachusetts, with 2 males 16 or older (himself and Edmund), 5 males under 16 (Cornelius, Fredrick, Gustavus, Samuel, and Stephen), and 6 females (his wife, Susanna, Jemima, Tabitha, Amanda, and Mary). (12)

Cornelius Dunham was in the 1800 Census of Dukes County, Massachusetts, page 453. Shubael Dunham was on page 452. (14)

Cornelius Dunham removed to Windsor, Connecticut (sic, should be Massachusetts) after 1800. (3)

Cornelius Dunham's wife Tabitha (Hancock) Dunham died of the fever in Windsor, Berkshire County, Massachusetts, April 18, 1813. (2) Cornelus (sic) Dunham died in Windsor, Berkshire County, Massachusetts, May 1, 1814, in his 69th year. (2)

2. Windsor, Massachusetts Birth, Deaths and Marriages
3. Banks, Charles E. "History of Martha's Vineyard, Dukes County, Massachusetts",1925, In 3 Volumes, Published by the Dukes County, Massachusetts Historical Society, 1966.
8. "Vital Statistics of Tisbury, Martha's Vineyard, Dukes County, Massachusetts", births pages 40-42. Marriages pages 133-135, Deaths pages 211-212
9. "New England Historic Genealogical Register", Vol. 66 (1912) pages 80-82. "Stock Delivered to the British Troops at Martha's Vineyard Island in 1778".
10. "New England Historic Genealogical Register", Vol. 1 (1847) pages 232-236. "Ratification of the Federal Constitution by Massachusetts in 1788".
12. “Heads of Families at the First Census Of the U.S.--1790, Massachusetts”, Genealogical Publishing Company.
13. "Massachusetts Soldiers and Sailors in the War of the Revolution", 17 Vols., Volume 5, page 39.
14. Bentley, Elizabeth P., “Index to the 1800 Massachusetts Census”.