Robert Harkness was born in 1816.
James Harkness died in 1923.
Albert Harkness died in 1907.
Kenneth Harkness died in 1972.
Joseph Harkness died in 1930.
Douglas Harkness died on 1999-05-02.
H. W. Harkness died in 1901.
Edgar Harkness Gray died in 1894.
Edward Harkness died on 1940-01-29.
William L. Harkness died in 1915.
Charles W. Harkness died in 1916.
Ned Harkness died on 2008-09-19.