O'Sullivan Farm Stallions

Stallions have always formed the heart of our operation and we remain committed to offering a roster of stallions representing many of the world's greatest bloodlines.

New in 2026

CROSS TRAFFIC

Unbridled's Song--Stop Traffic
Eclipse Champion Sire and Mid-Atlantic Thoroughbred's Top Value Sire of 2024 to stand at Mt. Airy Farm in Millwood, VA. 

Cross Traffic dominated as the #1 First Crop Sire across all metrics in 2018, and produces consistent perormers at the highest levels. 


About O'Sullivan Farms



Founded in 1939, O’Sullivan Farms is West Virginia’s oldest Thoroughbred farm. Located on fertile limestone soil once settled by the Washington family in the northern Shenandoah Valley, the farm has developed a long tradition of breeding and racing quality horses.

Our nutritional program is designed to raise the soundest, strongest, horses possible. Pastures are all spacious, rounded and fenced with new oak boards. Hay is a homegrown alfalfa and clover/timothy harvested from fields that are soil tested and fertilized annually. Our staff is experienced and dedicated, allowing us to offer our clients a full range of services; including boarding, breeding, foaling, breaking, training, racing partnerships, pedigree analysis, stallion syndication, and accounting and tax consultation.

For four generations, family owned and operated O’Sullivan Farms has been a landmark of the West Virginia’s Thoroughbred industry. If you want your horse to have the utmost in experienced care, contact us.

Contact Us

Address:

1504 Earle Rd,
Charles Town, WV 25414

Phone:

Phone: 304-725-2276
Fax: 304-725-1060

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