Mark Gregory Riordan

Mark Gregory Riordan, 44, died May 13, 2012 in Scottsdale, AZ, following a brief illness. He was born in Flagstaff, AZ on September 5, 1967 to Bill and Karla (Huntington) Riordan. He was a fifth generation member of a pioneer family who established a cattle ranch in southeastern Arizona in the 1870’s.

Mark graduated from Mingus Union High School in 1985 and ITT Technical Institute in Houston, TX. He was employed at CS Innovations, division of Westinghouse Electric, in Scottsdale as Senior Manufacturing Engineer at the time of his death.

Mark enjoyed camping, hunting, fishing, golf and was an avid fan of NHRA drag racing.

Mark is survived by his father Bill Riordan, Twin Lake, MI; mother Karla (Eddie) Dollarhide, Big Water, UT; sister Kara (Mike) Visser of Cottonwood, AZ; brothers Jake (Heather) Riordan, Cottonwood; Todd Riordan, Stone Mountain, GA; step-brothers Dr. Roper (Tony) Dollarhide, Las Vegas, NV and Justin Dollarhide, Kingman, AZ; and step-sister Rayedda (Bill) Webber of Kingman; his beloved dog Dioge, as well as numerous aunts, uncles, cousins, nephews and nieces. A graveside service will be held 2:00 PM May 25th, at Sedona Community Cemetery. Memorial contributions may be made to American Diabetes Association or University Medical Center, (Comprehensive Center for Chronic Pancreatitis) in Tucson, AZ.