Family name Jirku (Jirku 
) , throughout the world, is quite a rare surname. The last name Jirku is characteristic of Czechia, where it is quite a common surname, Austria, where it is quite a rare surname, and Slovakia, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Czechia, Poland, and Austria. Much less frequently, Jirku is the forename as well as the last name.
| anton jirku German theologian, DE (b. 1885) |
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| christine jirku actress, AT (b. 1945) |
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| petr jirku |
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