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Cognomen Caldow (Caldow
) , throughout the world, is a rare surname. The last name Caldow is characteristic of Australia, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United Kingdom. In absolute terms, it is commonest in Australia, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Caldow | Canada, New Zealand, Australia, United States, United Kingdom |