Filly A yearling Arabian filly A filly is a female horse that is too young to be called a mare. In most cases, a filly is a female horse under four years old.

Jan 2, 2026 · A filly is a female horse that is too young to be called a “mare.” While the general cutoff is four years old, some organizations, like The Jockey Club for Thoroughbred racing, consider a horse …

Apr 24, 2024 · A filly is a young female horse that hasn’t yet reached her fourth birthday. In the horse world, knowing these terms is key because each one tells us a bit more about the horse’s age and …

2 days ago · Spendthrift Farm’s Kingsbarns, the Grade 1-winning son of Uncle Mo, sired his first reported foal on Jan. 9 when a filly was born at Ascendant Farm in Fort Edward, N.Y. The bay filly …

Dec 18, 2025 · A filly is a female horse under four years old, while a mare is a female horse over four. The term "foal" refers to a baby horse of unknown gender, while "filly" specifically refers to a young …

3 days ago · The first reported foal by Whispering Oaks Farm's Wit was born Jan. 6, the farm announced Jan. 14. The filly is out of the stakes-winning Quality Road mare Sashimi Blaster , owned …

Aug 22, 2025 · A filly is a word used for a young female horse under four years of age. The word filly was coined in the Medieval period and was derived from the Old Norse fylja, which meant young …

Kids Definition filly noun fil· ly ˈfil-ē plural fillies : a young female horse usually less than four years old

Jul 15, 2025 · A filly is a young female horse, typically under the age of four. The breed and characteristics of fillies can vary greatly, influencing their temperament, physical attributes, …

Nov 16, 2024 · A filly is a young female horse, typically under the age of 4. This term refers specifically to a female horse that has not yet reached full maturity. Filly horses are energetic, playful, and …