Across the world, Pelagius (Paez 
, Payo 
, Pelagius 
) is quite a rare epicene first name. The forename Pelagius is habitual in Iraq, where it is a rare gender-neutral name, Guatemala, where it is a rare masculine name, and Pakistan, where it is a rare principally boy's, but very infrequently female name. In absolute terms, this name is the most popular in India, Pakistan, and Indonesia. More prevalently, Pelagius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Paez | Mexico, Venezuela, Philippines, Argentina, Colombia |
| Payo | Mexico, Spain, Venezuela, Philippines, Argentina |
| Pelagius | Germany, Tanzania, Italy, Spain, United States |
| Paiolo | United Kingdom, Italy, Brazil, Argentina |
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pelagius 4th-century theologian, namesake of Pelagianism, IT (b. 360) |
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pelagius de oviedo Spanish priest, ES (b. 1050) |
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| pelagius schläpfer (1601-1680), CH (b. 1601) |
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| pelagius patricius |
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| de mallorca pelagius ES |
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| pelagius rüd CH |
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