Cognomen Gilca (Gilca 
, Gîlca ) , globally, is quite a rare surname. The last name Gilca is habitual in Moldova, where it is quite a common surname, Romania, where it is quite a rare surname, and Ireland, where it is a rare surname. In absolute terms, this name is the most popular in Romania, Moldova, and Italy. Likewise, Gilca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gilca | Romania, Italy, Moldova, Brazil, Democratic Republic of the Congo |
| Gîlca | Moldova |
| marilena gilca researcher |
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| vladimir gilca physician and professor at Université Laval |
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| rodica gilca physician and university professor, CA |
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