Ebenezer was a member of the 7th Company, 7th Regiment (Colonel Bostwick), at New Milford, New Jersey, during the Revolutionary War. From the Town Records of Monkton, 6 April 1786, "Ebenezer Barnum's mark is a half crop of the upper side of the left ear." From the History of Monkton Vermont, "The first justice was Samuel Barnum, in 1787; the first representative Ebenezer Barnum, in 1787." The US Census of 1790 shows Ebenezer with 6 of his children living with him.
He was included in the ninth land division in Kent; 1761.
Several of Ebenezer's sons and sons-in-law and two of his cousins appear in the 1828-1832 ledger of James Barton, Blacksmith, Ferrisburg Hollow, Addison County, Vermont. The ledger was kept by Blacksmith Barton and taken by him to Crawford County, Pennsylvania about 1843, when he and his family settled in Beaver Township.
Terry L. Martin, a descendant, gives the date 1 Jun 1830.
He was buried in the Barnumtown Cemetery.