Leonard John Cronin was born in 1900.
Leonard John Cronin died in 1976.
John Desmond Cronin was born in 1916.
John Cronin - convict - was born in 1971.
John Leonard Thorn was born in 1925.
John B. Leonard was born in 1864.
John Leonard - canoeist - was born in 1948.
John Leonard Riddell was born in 1807.
John Leonard Harrison was born in 1917.
John W. Leonard was born in 1890.
John Leonard - poet - was born in 1965.
John Leonard Dawson was born in 1932.
John E. Leonard was born in 1845.