The name of a 3rd C Croatian martyr, a 4th-5th C British moralist whose views were condemned as heretical in the early 5th C, two 6th C popes, an 8th C king of Asturias, and a 10th C Spanish saint.
 
  
  
  The name was most common in the Iberian peninsula.
  
  
- Finland
- 
- Early Modern Swedish
- ● 1582 Palagia (nom) Audén1980 p. 172
 
- Germany
- 
- Latin
- ● 1216 Pelagius (nom) hennes-vol1 25
 
- Italy
- 
- Latin
- ● 581 Pelagius (nom) CartYonne1 II;
 584 Pelagius (nom) ibid. III;
 1224 Pelagius (nom) UrkRott-1 17
 
- Portugal
- 
- Latin
- ● 1121 Pelagius (nom) PHGCRP-I no. 2;
 1152 Pelagius (nom) ibid. no. 3;
 1189 Pelagii (gen) ibid. no. 9,
 Pelagius (nom) ibid. no. 9;
 1190 Pelagij (gen) ibid. no. 8,
 Pelagius (nom) ibid. no. 8;
 1209 Pelagij (gen) ibid. no. 10;
 1211 Pelagij (gen) ibid. no. 6,
 Pelagius (nom) ibid. no. 6;
 1214 Pelagii (gen) ibid. no. 20,
 Pelagius (nom) ibid. no. 20;
 1217 Pelagus (nom) ibid. no. 21;
 1256 Pelagij (gen) ibid. no. 17,
 Pelagio (abl) ibid. no. 17,
 Pelagius (nom) ibid. no. 17;
 1269 Pelagii (gen) ibid. no. 11
 
- Spain
- 
- Latin
- ● 1124 Pelagius (nom) CDSS IV,
 Pelaio (nom) ibid. III;
 1145 Pelagio (nom) AnnOPraem-2 col. ccccxxvi;
 1276 Pelagii (gen) CDGH XLVI
 
Cite as: R. Le Get, S.L. Uckelman. "Pelagius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Pelagius.