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Dictionary of Medieval Names
from European Sources

Sebastian m. Latin Sebastianus 'of Sebastia' (Sivas in modern Turkey), from Greek σεβαστός 'venerable'.

The name of a 3rd C martyr, a 5th C usurper of the Western Roman Empire, and a 16th C king of Portugal.

England
Dutch
1572 Sebastianus AuFr Doerhoff; 1575 Sebastiaen ibid. Deurhof
Early Modern English
1576 Sabatian StAnthonlin p. 25; 1594 Sebastian DEmar-vol2 p. 29
1584 Bastian DEmar-vol2 p. 9
Estonia
Middle Low German
1592 Bastian Tiik1977 p. 288
France
Latin
1378 Bastiani (gen) hanquetvol1 239, Bastiano (dat) ibid. 1770
Middle French
1421 Bastien favier 1138; 1564 Bastien RegPCC-1 p. 48; 1567 Bastien ibid. p. 358; 1568 Bastien ibid. p. 377; 1570 Bastien ibid. p. 428; 1571 Bastien ibid. p. 449; 1588 Bastien raymond1588 p. 567; 1589 Bastian ibid. p. 571
Germany
Early New High German
1416 Sebastian (nom) mairhofer DCCIII; 1497 Sewastian Nurn1497 1034
Ireland
Latin
fin12thC Bastianus (nom) MunDocIr III, p. 8
Italy
Latin
1464 Bastianus (nom) CUP-III-I CCXXXI; 1522x1532 Sebastianus (nom) DSF p. 51, 24
The Netherlands
Dutch
1561 Sebastiaen MagMiddelburg-1560; 1562 Sebastiaen ibid.; 1563 Sebastiaen ibid.; 1564 Sebastiaen ibid.; 1565 Sebastiaen ibid.; 1566 Sebastiaen ibid.; 1567 Sebastiaen ibid.; 1569 Sebastiaen ibid.; 1570 Sebastiaen ibid.; 1571 Sebastiaen ibid.; 1572 Sebastiaen ibid.
1574 Bastiaen MagMiddelburg-1560; 1575 Bastiaen ibid.; 1576 Bastiaen ibid.
Spain
Catalan
1510 Sabastia valencia1510 3226
Spanish
1495 Sabastian montalvo; 1575 Sebastian Catalogo-5.2 3824; 1576 Sebastian ibid. 3984
Cite as: G. Grim, R. Le Get, J. Uckelman, S.L. Uckelman. "Sebastian". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Sebastian.