On January 17, 1899, McCooey married Catherine Irene "Kate" Sesnon, a daughter of Michael G. Sesnon and Anna "Annie" Sesnon (
née McGuckin), both of
Bensonhurst. •
John Henry McCooey, Jr. (1899–1948), served as Justice of the
New York Supreme Court, married Helen Willis Cornell (1903–1971), three children. • Herbert J. McCooey (1901–1936), married Elizabeth Larney (1901–1981), four children, including
Richard McCooey. • Adele Catherine McCooey (1903–1970), married George Cornelius Tilyou Jr. (1902–1958), a son of
George C. Tilyou, four children. • Everett David McCooey Sr. (1907–1971), married Mary Gertrude Ennis, three children. McCooey was brother-in-law of
James J. Byrne, a member of the
New York State Assembly and
Brooklyn Borough President. He died at his residence in Brooklyn on January 21, 1934 aged 69. ==See also==