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Cognomen Cullan (Cullan
) , throughout the world, is a rare family name. The cognomen Cullan is habitual in Australia, where it is a rare surname, New Zealand, where it is a very rare surname, and Philippines. Measured by absolute frequency, it is commonest in the United States, Philippines, and Australia. Also, Cullan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cullan | Philippines, Australia, United States, United Kingdom, Venezuela |