Dictionary of Medieval Names
from European Sources

Cosmo m. Ancient Greek κόσμος 'order, ordered universe, cosmos'.

The name of a 3rd C martyr, an 8th C saint, an 8th C pope of Alexandria, a 9th C pope of Alexandria and saint, a 10th C pope of Alexandria and saint, a 12th C Italian saint, the birth name of a 15th C pope, and the name of a number of 15th-16th C grand dukes of Tuscany and rulers of Florence.

Finland
Early Modern Swedish
1582 Kuisma Audén1980 p. 171, Kuszma (nom) ibid. p. 171
Hungary
Latin
1304 Cosmas (nom) Slíz p. 84, s.n. Cosmas; 1307 Cosme (gen) ibid. p. 85, s.n. Cosmas; 1308 Cosme (gen) ibid. p. 85, s.n. Cosmas; 1310 Cosmam (acc) ibid. p. 85, s.n. Cosmas; 1311 Cozme (gen) ibid. p. 86, s.n. Cosmas; 1312 Cosmas (nom) ibid. p. 84, s.n. Cosmas; 1313 Cosme (gen) ibid. p. 85, s.n. Cosmas; 1315 Cozme (gen) ibid. p. 86, s.n. Cosmas; 1317 Cosmas (nom) ibid. p. 85, s.n. Cosmas; 1318 Cosmas (nom) ibid. p. 84, s.n. Cosmas; 1319 cosmas (nom) ibid. p. 84, s.n. Cosmas; 1323 Cosma (nom) ibid. p. 85, s.n. Cosmas, Cosme (gen) ibid. p. 85, s.n. Cosmas, Cozma (abl) ibid. p. 86, s.n. Cosmas; 1324 Cosme (abl) ibid. p. 85, s.n. Cosmas; 1327 Cosma (abl) ibid. p. 85, s.n. Cosmas, Cosme (gen) ibid. p. 85, s.n. Cosmas; 1329 Cosma (abl) ibid. p. 85, s.n. Cosmas, Cozma (nom) ibid. p. 86, s.n. Cosmas; 1330 Cosma (abl) ibid. p. 85, s.n. Cosmas, Cosmas (nom) ibid. p. 84, s.n. Cosmas; 1332x1337 Cosma (nom) ibid. p. 85, s.n. Cosmas, Cosmas (nom) ibid. p. 84, s.n. Cosmas, Cozma (abl) ibid. p. 86, s.n. Cosmas, Cozmas (nom) ibid. p. 86, s.n. Cosmas; 1336 Cosmas (nom) ibid. p. 85, s.n. Cosmas, Cosme (gen) ibid. p. 85, s.n. Cosmas; 1337 Cosme (gen) ibid. p. 85, s.n. Cosmas, Kozma (gen) ibid. p. 86, s.n. Cosmas; 1339 Cosme (gen) ibid. p. 85, s.n. Cosmas; 1341 Cosme (gen) ibid. p. 85, s.n. Cosmas, Kozma (abl) ibid. p. 86, s.n. Cosmas; 1342 Cosmas (nom) ibid. p. 86, s.n. Cosmas, Cosme (gen) ibid. p. 86, s.n. Cosmas
Italy
Latin
1464 Cosma (nom) CUP-III-I CCXXXI; 1527 Cosmus (nom) Rome1527 p. 84
Italian
1513x1521 Cosmo LeoX p. 13
Spain
Catalan
1510 Cosme valencia1510 3312
Cite as: R. Le Get, M. Slíz, S.L. Uckelman. "Cosmo". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Cosmo.