Dictionary of Medieval Names
from European Sources

Alexis m. Ancient Greek Ἄλεξις or Ἀλέξιος 'defender'.

The name of a 4th-5th C Roman saint, a 10th-11th C Byzantine emperor, a 12th C Byzantine emperor, a 12th-13th C Byzantine emperor, two 13th C Byzantine emperors, a 13th C emperor of Trebizond, two 14th C emperors of Trebizond, a 14th C Russian saint, and a 15th C emperor of Trebizond.

Finland
Early Modern Swedish
1582 Elessi (nom) Audén1980 p. 171
France
Middle French
1562 Alexis RegPCC-1 p. 15; 1565 Allexis ibid. p. 195; 1571 Allexis ibid. p. 475
Germany
Latin
1394 Alexii (gen) SMM p. 185
Italy
Latin
1527 Alessij (gen) Rome1527 p. 88
Italian
1513x1521 Alexio LeoX p. 12
Latvia
Latin
1295 Alexi (nom) RigSB 59; 1296 Alexi (nom) ibid. 66
Cite as: R. Le Get, S.L. Uckelman. "Alexis". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Alexis.