Ethel Veronica Mars (née Healy; June 1884 – December 25, 1945) was an American businesswoman and racehorse owner.
Wanting to expand her racing and develop her bloodstock, from 1935 through 1942 she was a major spender for well-bred yearlings at the Saratoga spring sales.
Trained by Roy Waldron and ridden by Carroll Bierman, Gallahadion won the Kentucky Derby.
[4] Declining health in the years following her Kentucky Derby win saw Ethel Mars wind down her racing and operations.
[5] A resident of River Forest, Illinois, Ethel Mars died at age sixty-one on Christmas Day 1945 in La Jolla, California, where she had been visiting.