The Duroc pig origin story starts with two strains of red hogs in the early 1800s: the Jersey Red of New Jersey and the Duroc of New York, which were later blended into one breed first called the Duroc-Jersey. The name comes from a Thoroughbred stallion named Duroc, whose owner also kept the red pigs that a New York farmer bought in 1823.
Every date below is from Oklahoma State University’s breed page or the National Swine Registry’s About Duroc page, and where a page says the record is unclear, we say so too. This is the history only; what the breed is like on the plate is in our older post on decoding the heritage breed Duroc pig.
- Two strains of red hogs
- How the Duroc got its name
- Timeline, with sources
- The Duroc today, and the word heritage
- Questions people ask
Duroc pig origin: two strains of red hogs
Oklahoma State University’s Duroc swine page puts the breed’s origin in the eastern United States and the Corn Belt, from two strains: the Jersey Red of New Jersey and the Duroc of New York. The National Swine Registry, the breed registry, dates the early red hogs of New York and New Jersey to 1812. Neither page can name the exact source of those red hogs; OSU notes that writers only a few years after the breed formed could not either.
The Jersey Red strain was established in New Jersey before 1850, per OSU. An early breeder named Clerk Pettit suggested the red hogs came from an importation to the state in 1820, though others put them there earlier. OSU describes them as big, coarse, rangy hogs known for size and hardiness, named Jersey Reds by a New York newspaper editor.
The Duroc strain was smaller and more compact, and both pages describe it as the finer of the two. OSU says most of the blending of the two strains into one breed took place in the Midwest, and the registry page dates the start of that systematic blending to the early 1860s.
How the Duroc pig got its name
Both pages tell it the same way. Isaac Frink, who lived near Milton in Saratoga County, New York, got his first red hogs in 1823 from Harry Kelsey of Florida, New York. Kelsey stood a famous stallion named Duroc (OSU calls it a Thoroughbred, the registry a trotting stallion), and Frink had come to see the horse.
While there he saw red pigs he liked, bought some, and took them home, and named them Durocs in honor of the stallion because they had no breed name. Kelsey said the hogs had been imported, but OSU notes that where they came from, and how many generations back, was never established; the registry page says their parents were probably imported from England.
About 1830, William Ensign of Stillwater, in the same county, added a pair of red pigs from Connecticut that crossed well with Frink’s line. In 1877 breeders from Saratoga and Washington counties met and set a scale of points for the breed. That is the New York half of the story; the New Jersey half joined it in the Midwest.
Duroc timeline, with a source for each line
| When | What happened | Source |
|---|---|---|
| 1812 | Early red hogs bred in New York and New Jersey | National Swine Registry |
| 1820 (suggested) | Red hogs imported to New Jersey, per breeder Clerk Pettit; others say earlier | OSU breed page |
| 1823 | Isaac Frink buys red pigs from Harry Kelsey and names them Durocs after Kelsey’s stallion | OSU breed page; National Swine Registry |
| About 1830 | William Ensign adds a Connecticut pair to the Duroc strain | OSU breed page |
| 1837 | Henry Clay imports four red shoats from Spain to his Kentucky farm | OSU breed page |
| Before 1850 | Jersey Red strain well established in New Jersey | OSU breed page |
| Early 1860s | Systematic blending of the two strains begins | National Swine Registry |
| 1877 | Saratoga and Washington county breeders set a scale of points | OSU breed page |
| Later 1800s | The blended breed, first called the Duroc-Jersey, takes shape mostly in the Midwest | OSU breed page (no exact year given) |
| 1893 | Durocs shown at the Chicago World’s Fair, the first successful Duroc hog show | National Swine Registry |
| Today | Duroc is not on the Livestock Conservancy’s conservation priority list | Livestock Conservancy |
OSU also records older guesses about where red hogs in America came from at all: the Guinea coast of Africa, Spain and Portugal by way of early voyages, and red Berkshire strains. The page presents these as reputed or said, not settled, and we leave them at that.
The Duroc today, and what heritage means on our label
Both pages describe the modern Duroc as a red hog with drooping ears, in colors from a light golden to a dark red near mahogany. Our Porkology page calls our hogs a “175-year-old Duroc Heritage Breed,” which lines up with the pre 1850 Jersey Red date above.
“Heritage Duroc” on our label is our product language for that history. It does not mean the breed meets the Livestock Conservancy’s heritage swine definition, which requires a breed that is or has been endangered and appears on or has recovered from its conservation priority list; Duroc is not on that list. We compared the listed breeds in heritage pig breeds.
Our older post on heritage breeds at Vande Rose Farms covers the breed from the farm’s side, and every cut in the heritage pork fresh cuts line comes from it. How Duroc pork differs from commodity pork, in the terms our pages can support, is in Duroc pork vs regular pork.
Questions people ask about the Duroc pig origin
Where did the Duroc pig originate?
In the eastern United States, from two strains of red hogs: the Jersey Red of New Jersey and the Duroc of New York, blended into one breed mostly in the Midwest, per Oklahoma State University.
How did the Duroc pig get its name?
From a Thoroughbred stallion named Duroc. In 1823 Isaac Frink bought red pigs from the stallion’s owner, Harry Kelsey, and named them Durocs in the horse’s honor, per OSU.
What is a Duroc-Jersey?
The breed’s original name, from the two strains that formed it, the Duroc and the Jersey Red. OSU says the breed “was originally called the Duroc-Jersey.”
Is the Duroc a heritage breed?
The breed has a documented history back to the early 1800s, which is what “Heritage Duroc” means as our product language. It is not on the Livestock Conservancy’s priority list, so it does not meet that group’s heritage swine definition.
Two red strains, one stallion’s name, one breed. That is the Duroc pig origin as Oklahoma State and the breed registry record it, and it is the breed behind everything we raise on the family farms in our story.
Browse the Heritage Duroc fresh cuts, or read our story for how the farms raise them.