John Riley Duncan died in 1911.
John Riley Duncan was born in 1850.
John E. Riley died in 2001.
John J. Riley died in 1962.
John Duncan Mackie died in 1978.
John Duncan Bligh died in 1872.
John H. Duncan died in 1929.
John Alton Duncan died in 2007.
John Duncan Gregory died in 1951.
John Duncan Forsyth died in 1963.
John Duncan Watson died in 1946.
John Duncan Craig died in 1909.
John Duncan - botanist - died in 1881.