Sinclair (English)

Where does "Sinclair" come from?

The surname Sinclair originated as a reference to Saint Clare, reflecting the dedication of the clan's churches to the saint. Over time, this religious association evolved into a Scottish patronymic and clan name, eventually spreading as both a surname and a given name across English-speaking regions and various locales.

Full etymology tree

Updated June 2026

Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris