Sinclaire

Meaning & origin

Sinclaire is a modern feminine variant of the surname Sinclair, itself derived from the French Saint-Clair. First recorded for girls in the United States in 1994, it peaked in popularity the following year in 1995. The name has been steadily rising in use since 2014, though it remains quite uncommon, with an estimated 1 in 200,908 births in 2025. Its rarity and melodic sound appeal to parents seeking a distinctive yet familiar name, blending the classic Claire with a surname tradition. Sinclaire has not ranked among the top names in any state, but its upward trajectory suggests growing appeal. The name's French and Scottish heritage gives it a sense of history, while its modern spelling offers a fresh twist.

Sinclaire is a variant spelling of Sinclair, a surname derived from the French place name Saint-Clair, meaning 'bright' or 'clear'. The name was brought to Scotland by Norman settlers in the 12th century and became established as a prominent Scottish clan name. Its use as a given name, particularly for girls, emerged in the late 20th century, likely influenced by the similar-sounding Claire.