O'REILLY, Henry, journalist, born in Carrickmacross, Ireland, 6 February, 1806; died in Rochester, New York, 17 August, 1886. He came to this country with his father in 1816, and learned the printer's trade in New York. In 1826 he went to Rochester, New York. and there established the "Advertiser," the first daily newspaper that was published west of Albany, which he edited for four years. It was notable for its opposition to Thurlow Weed. After the invention of the telegraph Mr. O'Reilly entered upon the work of extending the lines to the west, but became involved in lawsuits which almost ruined him financially. He had also been prominent in advocating the enlargement of the Erie canal and improvement of the public-school system. In 18 he was postmaster of Rochester, and subsequently he was connected with various journals. He published "Sketches of Rochester, with Notices of Western New York" (Rochester, 1838)and "American Political Anti-Masonry " (New York, 1879).