Family name Trewern (Trewern 
) , in the world, is a rare cognomen. The family name Trewern is characteristic of Isle of Man, where it is quite a rare surname, Australia, where it is a rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in the United Kingdom, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Trewern | United Kingdom, Australia, United States, Canada, New Zealand |
| eric percival trewern Australian architect, AU (b. 1895) |
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| andrew richard trewern (born 1967) (b. 1967) |
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| helen sabina trewern (born 1970) (b. 1970) |
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| barry trewern Peerage person ID=177217 |
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Mr, Megan, Sarah, Shaun, Aaron, Chris, Colin, Clare, Barry, Kelly, Ivan, Kerry, Peter, Ricky, David, Dilys, Donna, Duane, Dylan, Gavin, Grant, Kevin, Emma, Nick, Toni, Ms, Mel, Ben, Rob, Len, Jay, Tim, Mary, Andy, Adam, Bill, Kirk, Kyle, Paul, Ross, Leah, Luke, Jack, John, Tami, Tony, Laura, and Linda