John H. Sammis died in 1919.
John H. Harmanson died in 1850.
John H. Tolan died in 1947.
John H. Balsley died in 1895.
John H. Capstick died in 1918.
John H. Callahan was born on 1845-01-25.
John Callahan - pitcher - died on 1954-02-15.
John Callahan - Wisconsin politician - died in 1956.
John Ross Callahan was born in 1853.
Francis H. Ames has written: 'That Callahan spunk' 'Callahan goes south'
John Callahan - actor - was born on 1953-12-23.
John Callahan - Wisconsin politician - was born in 1865.
John B. Callahan was born on 1969-09-20.
John Callahan - pitcher - was born on 1874-10-03.
John Callahan has written: 'A Man You Could Love' 'Tracks of the Hunter'
Dennis Callahan died in 2012.
Henry Callahan died in 1982.