Ira Brown was born on April 26, 1846, in Almond, New York, to John Brown and Caroline Andrews. His father was a farmer who owned $3,500 of real estate. Brown was named after his maternal grandfather, farmer Ira Andrews. He enlisted in the Union army on September 15, 1864, and mustered in as a private in Company B of the 188th New York Infantry on October 7, 1864. He received a $1,000 bounty from the town of Almond. According to his enlistment records, he was 5 feet, 8 inches tall, with light hair and gray eyes. He mustered out on July 1, 1865, in Washington, D.C. He moved to Elmira, New York, sometime after the war, and he worked as a streetcar conductor. He got married and had at least one daughter. He died on February 12, 1911, reportedly “after an illness of three weeks due to a general breaking down.”