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Last name Sivilay (Sivilay
) , globally, is a common cognomen. The cognomen Sivilay is habitual in Laos, where it is a common surname, France, where it is a rare surname, and the United States, where it is a very rare surname. Very seldom, Sivilay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sivilay | Canada, Laos, France, United States, Thailand |