The Romney takes its name from Romney Marsh, a coastal marshland in Kent, England, where the breed developed over centuries of selection for thriving in wet, challenging conditions. This geographic naming immediately identifies the breed's origins and the unique environment that shaped its characteristics including exceptional hardiness, resistance to foot problems, and ability to produce prolifically despite marginal grazing conditions on reclaimed marshland. The name honors the breed's deep roots in this specific English region and the traditional farming practices that created one of Britain's most important sheep breeds.
Romney Marsh, located along England's southeastern coast, is characterized by flat, low-lying terrain reclaimed from the sea, with heavy clay soils, high water tables, year-round moisture, and conditions that challenge most livestock. For centuries, sheep farmers in this region selected animals that could thrive despite constant wetness, cold winds from the English Channel, and parasites flourishing in moist conditions. This harsh selection pressure created sheep with exceptional hardiness, strong hooves resistant to rot, and productive capacity maintained despite challenging circumstances. The breed's name reflects these geographic origins and the remarkable adaptations allowing success in conditions other breeds cannot tolerate.
Historically, the breed was known simply as "Romney Marsh sheep" or "Kent sheep" in England, though "Romney" became the shortened, preferred designation both domestically and internationally. When exported worldwide beginning in the 19th century, various naming conventions emerged regionally. In New Zealand, a major Romney stronghold, they're sometimes called "New Zealand Romney" to distinguish locally developed lines from British imports. In the United States, "Romney" is standard, occasionally specified as "Romney Marsh" in formal contexts though the single-word name predominates in common usage.
The breed's international distribution began extensively during the 19th and early 20th centuries when Romneys were exported to British colonies and other sheep-producing nations seeking hardy, productive genetics. New Zealand became particularly significant Romney territory, with the breed becoming foundational to that nation's sheep industry through extensive importation and selection for local conditions. Today, New Zealand likely contains the world's largest Romney population, with lines adapted to that country's pastoral conditions while maintaining essential Romney characteristics. Australia, South America, and North America also established significant Romney populations, making this British breed one of the world's most internationally distributed sheep breeds.
Alternate names include "Romney Marsh" (the full historical name), "Kent" or "Kent sheep" (regional English designation), and "New Zealand Romney" (distinguishing antipodean lines). In breed registry contexts, "Romney" is the official designation internationally, though the Romney Sheep Breeders' Association (UK) and American Romney Breeders Association maintain the breed's formal standards and records. International recognition and centuries of documented history make Romney one of the better-established sheep breeds with clear identity and standards, avoiding confusion affecting some breeds with multiple regional variants or unclear genetic relationships.

