 Later he became rector of Saint John's Church in Yonkers, New York and then in 1925 left to become general secretary in the field department of the National Council of the Episcopal Church, where he remained till 1929.Larned was elected Suffragan Bishop of Long Island on November 14, 1928 in the Cathedral of the Incarnation in Garden City, New York.He was consecrated on February 11, 1929 by Presiding Bishop John Gardner Murray.