The Targhee sheep breed derives its name from the Targhee National Forest in Idaho and Wyoming, where the United States Sheep Experiment Station conducted the breeding program creating this American breed. The forest itself was named after a Bannock chief, Targhee (also spelled Tyhee), connecting the breed's designation to the Native American heritage of the region where it was developed. This geographic naming immediately identifies the breed as American in origin and connects it to the western mountain ranges where it was specifically developed to thrive.
The Targhee represents a planned synthetic breed developed by the USDA beginning in 1926 at the U.S. Sheep Experiment Station near Dubois, Idaho. Unlike ancient breeds that evolved gradually over centuries, the Targhee was scientifically created through deliberate crossing of Rambouillet ewes (approximately 50% of genetics) with Lincoln (25%) and Corriedale (25%) rams, followed by decades of selection stabilizing characteristics suited to western range conditions. This intentional development means the Targhee has always been known by this single name without the multiple regional designations characterizing older breeds.
Within the American sheep industry, Targhees are sometimes called "Targhee range sheep" or simply "range Targhees," emphasizing their suitability for extensive grazing operations. However, these are descriptive terms rather than alternate names, as "Targhee" remains the universally recognized breed designation. The breed represents one of the few sheep breeds developed entirely in the United States specifically for American range conditions, distinguishing it from imported breeds that were later adapted to American environments.
The Columbia breed, also developed by USDA at a different research station, shares similar development goals and methods with the Targhee, leading some people unfamiliar with sheep to confuse the two breeds. However, they represent distinct genetic combinations with different characteristics, though both are large, hardy, dual-purpose American range breeds. Targhee breed associations maintain registries ensuring genetic integrity and consistent breed standards, with the breed recognized as a distinct entity by all major livestock organizations. The breed's scientific development and single geographic origin created nomenclature consistency across regions, unlike many breeds with varied names reflecting different areas or historical periods.

