1840 United States Federal Census. Name: Lebbeus Barnum; Home in 1840 (City, County, State): Danbury, Fairfield, Connecticut; Free White Persons - Males - 20 thru 29: 1 (Lebbeus); Free White Persons - Females - 20 thru 29: 1 (Phebe); Free White Persons - Females - 50 thru 59: 1 (probably the widowed mother of either Lebbeus or Phebe); Persons Employed in Manufacture and Trade: 1; Free White Persons - 20 thru 49:2; Total Free White Persons: 3; Total All Persons - Free White, Free Colored, Slaves: 3.
He was enumerated in the 1850 US Census as Libeus Barnum, in his 1852 marriage record as Lebbeus J. Barnum, in the 1860 US Census as Lebbeus Barnum, and in the 1870 US Census as L. J. Barnum.
The 1850 US Census for New Fairfield, Connecticut, misspells his given name as Libeus and enumerates him as a shoemaker, 33 years old. The family group includes his wife, Phebe, 34, and children, Martha 10, and Rosanna, 6. All family members are listed as born in Connecticut.
Connecticut, Deaths and Burials Index, 1650-1934. Name: Lebbeus J. Barnum; Birth Date: abt 1817; Age at Death: 60; Death Date: 1877; Death Place: Connecticut; FHL Film Number: 3084.