He also was the maternal grandfather of private investigator Thomas Corbally.

He joined the Newark Fire Department on November 1, 1892 and was promoted through the ranks to chief engineer, serving until his retirement on August 1, 1924, when he began work as a firefighting equipment salesman.

Moore served as chairman of the Essex County Democratic Committee in 1928 and 1929.

After he left Congress, he again worked as a firefighting equipment salesman in Newark until 1931, when he retired in earnest and moved with his wife, Frances, to a home at 27 Lancaster Avenue in nearby Maplewood, New Jersey.

He died in Newark on January 10, 1938, and was interred in Holy Sepulchre Cemetery in East Orange, New Jersey.