Ethel D. Jacobs (March 18, 1910 - November 9, 2001) was a prominent American Thoroughbredracehorse owner/breeder who was a three-time leading owner in North America.
Married to U.S. Racing Hall of Fame trainer Hirsch Jacobs, Ethel Jacobs used salmon pink and green racing silks. She and her husband owned Stymie Manor, a horse breeding operation in Sparks, Maryland. She owned and raced a number of successful horses trained by her husband and her son. Ethel Jacobs was the leading owner in North America in 1936, 1937, and 1943. Among her notable horses were:
Stymie - 1975 United States' Racing Hall of Fame, retired as the world's leading money-earner
Searching - 1978 United States' Racing Hall of Fame
Affectionately - 1989 United States' Racing Hall of Fame
The Jacobses' son, John, trained horses including Personality and High Echelon. Son Thomas also bred horses, and daughter Patrice married Louis Wolfson. They owned Hail To Reason and the 1978 U.S. Triple Crown champion Affirmed.