From Germanic 'Theuderich' meaning 'people's ruler,' or a Norman French place-name surname.
Terrill is an English name of Norman French origin, entering Britain with the Conquest of 1066. It is most closely related to the medieval French name Tirel or Tirrel, which derived from a Germanic root — possibly from Theodoric ("ruler of the people") or from an element meaning "to pull" — and was borne by a prominent Norman noble family. The Tyrells became one of the more storied dynasties in English history, most notoriously through Walter Tirel, widely believed to have accidentally shot King William II (William Rufus) with an arrow while hunting in the New Forest in 1100.
The name evolved through numerous spellings — Tyrrell, Terrell, Terril, Terrill — as it was absorbed into English oral culture and recorded by clerks of varying literacy. In America, Terrell and Terrill became associated with African American naming traditions from the late nineteenth century onward, honoring the legacy of Figures like Mary Church Terrell, a pioneering civil rights activist and suffragist who was among the first Black women to earn a college degree in America, graduating from Oberlin in 1884. Terrill today carries a calm, established quality — not trendy, but never dated.
Its two syllables balance easily, and the double-l ending gives it a grounded, complete sound. It belongs to a family of names — alongside Merrill, Darrell, and Carroll — that feel rooted in mid-twentieth-century American masculine naming, with enough distance from that era to feel fresh again to contemporary ears.