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Family name Thilakaratna (Thilakaratna
) , throughout the world, is a rare cognomen. The family name Thilakaratna is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Thilakaratna | Malaysia, United States, Sri Lanka, United Kingdom |