[2] He was elected rabbi of Congregation B'nai Abraham of Portsmouth, Ohio in 1901, while he was still a student at Hebrew Union College.
[13] In 1941, Raisin was elected to a two-year term president of the Association of Reform Rabbis of New York City and Vicinity.
He collaborated with his mentor Ahad Ha'am on Ha-Shiloaḥ, and from 1916 to 1918 he was editor of The American Jewish Chronicle.
He wrote, among other publications, The Jew and His Place in the World in 1913, Djohn Milton, Haish, Hameshorer, Hanabi (John Milton, the Man, the Poet, the Prophet) and Yisrael Beamerika (Israel in America) in 1924,[14] Mordecai Manuel Noah: Zionist, Author, and Statesman in 1905, and A History of the Jews in Modern Times (which was a supplement to Heinrich Graetz's History of the Jews) in 1919.
He also published autobiographical works, including Dappim mi-Pinkaso shel Rabbi in 1941, Out of My Life in 1956, and Great Jews I have Known in 1959.
[16] Raisin died in Florence, Alabama, where he was acting as temporary rabbi for Temple B'nai Israel, on March 8, 1957.