Family name Cirillo (Кирил 
, Cirillo 
, קירילו 
) , around the world, is a common surname. The cognomen Cirillo is characteristic of Bulgaria, where it is a common surname, Italy, where it is quite a common surname, and Uruguay, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Italy, Bulgaria, and the United States. Likewise, Cirillo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кирил | Ukraine, Kazakhstan, Belarus, Bulgaria, Russia |
| Cirillo | France, Argentina, Italy, Brazil, United States |
| קירילו | Israel |
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bernardino cirillo italian historian and writer, IT (b. 1500) |
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nicola cirillo Italian physician (1671-1735), IT (b. 1671) |
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| decio cirillo (b. 1612) |
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| francesco cirillo (b. 1623) |
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| nicola cirillo Roman Catholic bishop (b. 1639) |
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giuseppe pasquale cirillo Italian jurist and scholar, IT (b. 1709) |
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| domenico antonio cirillo Roman Catholic bishop (b. 1675) |
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domenico cirillo physician, entomologist and botanist from Italy (1739-1799), IT (b. 1739) |
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| cirillo antonini Roman Catholic bishop (b. 1742) |
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| nicola cirillo Italian priest (1752-1806) (b. 1752) |
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cirillo monzani Italian historian and politician, IT (b. 1823) |
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| cirillo cella author (1801-2000) (b. 1801) |
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cirillo manicardi Italian painter (1856-1925), IT (b. 1856) |
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| cirillo ronzoni physicist (1826-1877) (b. 1826) |
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| cirillo manicardi (b. 1857) |
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