Sinclair

A Scottish surname transferred from the given name, that of a clan.

Proper noun

  1. A Scottish surname transferred from the given name, that of a clan.
    • In molecular biologist David Sinclair’s lab at Harvard Medical School, old mice are growing young again. Using proteins that can turn an adult cell into a stem cell, Sinclair and his team have reset aging cells in mice...
    • On a merchant ship, Father Sinclair had to do safety drills every 10 days. On a fishing vessel, it’s monthly, and there is no requirement to check the log to see if the drill has been done or done correctly. - 2025...
  2. A male given name transferred from the surname.
  3. A placename:
    1. A community in the Rural Municipality of Pipestone, Manitoba, Canada.

    2. An unincorporated community in Grundy County, Iowa, United States.

    3. A township in Clearwater County, Minnesota, United States.

    4. An unincorporated community in Preston County, West Virginia, United States, named after Sinclair Oil Corporation.

    5. A town in Carbon County, Wyoming, United States.

Origin

Derived from Saint Clare, to whom the clan's churches were dedicated.

Forms

Sinclaire Sinclare Sinclar Saint Clair Saint-Clair St Clair St. Clair St-Clair Saint Claire Saint-Claire St Claire St. Claire St-Claire Saint Clare Saint-Clare St Clare St. Clare St-Clare Saint Clar Saint-Clar St Clar St. Clar St-Clar

Derived

Sinclairian