Jacob Bailey Moore (1797-1853) was an American journalist and historical writer, born in Andover, New Hampshire. He learned the printer's trade at Concord, engaged in editorial work and edited the New Hampshire Journal from 1826 to 1829, when he was elected sheriff of Merrimack County. He was a member of the Legislature in 1828. In 1839 he removed to New York and edited the Daily Whig. His sons George Henry and Frank also lived in New York. He was in the government employ in Washington, 1841-45, but returned to New York and served as librarian of the Historical Society from 1845 to 1849. From 1849 to 1853 he was postmaster of San Francisco. He published, with John Farmer:

• Collections Historical and Miscellaneous (three volumes, 1822-24), relating principally to the early history of New Hampshire
• Gazetteer of the State of New Hampshire (1823)
• Annals of the Town of Concord (1824)
• Lives of the Governors of New Plymouth and Massachusetts Bay (1846)