In all the world, Sirelius (Sirelius 
) is an extremely rare unknown gender given name. Much more prevalently, Sirelius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sirelius | Sweden, Finland |
| solon aristoteles sirelius FI (b. 1861) |
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| magister jaakoppi sirelius, priest provost, parson of inkoo, docent 29 May 1708 Hiittinen - 17 May 1774 Inkoo |
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| pastor jaakoppi sirelius, chaplain of hiittinen Bef 1680 Vainionpohja, Nousiainen, southwest Finland - 22 Aug 1755 Hiitteinen |
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