December 23, 1865, London (possibly Bethnal Green), England.
October 24, 1935, Brooklyn, New York.
Lerman emigrated to America as a child (he does not appear in the 1871 British census).
He was a member of the Olivet Memorial Church in New York City. He played the organ there (1880–1908), and later at the Sixth Avenue Baptist Church, Borough Park Christian Church, and Fourth Avenue Methodist Church, all in Brooklyn.
He wrote a considerable amount of church and Sunday School music, and was musical editor for the Tullar-Meredith Company of New York City, and the Theodore Presser Company of Philadelphia, Pennsylvania.