Date of Death: December 6, 2010

Dailey was born and raised in Youngstown, Ohio to parents John and Rose-Marie (Genetta) Dailey and was one of three children (sisters Kathleen and Colleen). Dailey graduated from Ursuline High School and then studied law enforcement at Youngstown State University, in Ohio, worked as a state trooper (Ohio State Highway Patrol), and became a crime reporter for stations in Ohio (first at WNIO 1540-AM - now known as WYCL - and then ABC affiliate WYTV in the late 1960s) and at radio station CKLW in Windsor, Ontario before moving to Toronto in 1974. Prior to CityTV, Dailey worked at Q-107 and CHUM Radio. Dailey worked at Citytv for 31 years. Mark's famous line was "This is Citytv, everywhere".

Dailey survived prostate cancer but announced on September 9, 2010, on his 11 o'clock newscast, that he had been diagnosed with kidney cancer. The cancer spread to his lungs, and he died on December 6, 2010 at Sunnybrook Health Sciences Centre. He was 57 years old.

-Wikipedia