Born in White Pine, Nevada. Married to Elda May Cullar December 25, 1907.
Dan and Elda had four children:
Daniel E. Riordan (1909-1911)
Lawrence Lane Riordan (1912 - 2006)
Grace Irene Riordan (1913 -1999)
Dorothy Elda Riordan (1922 - 2008)
Elda May Cullar Riordan
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