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Family name Kulathilake (Kulathilake
) , all around the world, is quite a rare surname. The cognomen Kulathilake is habitual in Sri Lanka, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kulathilake | United States, Australia, New Zealand, Sri Lanka |