Summary
- Full Name: John J. O'Hanlon
- Hometown: Portadown
- Chess honours:
- Irish Olympiad Team: (1924), 1935, 1939
- Irish Champion: (9 titles) 1913, 1915, 1925, 1926, 1930, 1932, 1935, 1936, 1940
- Ulster Champion: 1902-1913+
Article posted by David McAlister at the Chess Archeology site O'Hanlon's First Two Irish Titles