Last name Sinclare (Sinclare 
) , around the globe, is a rare cognomen. The surname Sinclare is habitual in the United Kingdom, where it is a very rare surname, Canada, and Australia. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Canada. Very seldom, Sinclare is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinclare | Canada, United Kingdom, United States, France, Australia |
| sinclare kelburn Minister of the Presbyterian General Synod of Ulster (b. 1754) |
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| janet sinclare accused of witchcraft, GB |
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| agnes sinclare accused of witchcraft, GB |
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Mr, Jamie, Joyce, Treba, Heidi, Sheila, Philip, Robert, Daniel, Darren, Janice, Jeremy, Nicole, Hannah, Yllena, Sophina, Stephen, Kathryn, Kristen, Reishad, Darlene, Lindsey, James, Jeremey, Diana, Reese, Ms, Bob, Jim, Mark, Seth, Alix, Anna, Anne, Adam, Kory, Paul, Rama, Dave, Luke, Jean, Nova, Steve, Angel, Colin, Becky, Peter, David, and Heather