Octavian m. A derivative of Latin Octavia, the name of a Roman gens.

Belgium

Dutch

● 1597x1598 Octaviaen BoonenGes p. 322

France

Latin

● 1141 Octavianus (nom) CartNDSaintes VII; 1146 Octavianus (nom) ibid. VIII; 1153 Octavianus (nom) ibid. IX; 1159 Octaviano (dat) StVdM-II 736, Octavianum (acc) ibid. 736, Octavianus (nom) ibid. 736

Middle French

● 1587 Octavien RTFProvins 257

Germany

Latin

● 1157 octavianus (nom) quix-vol1 44; 1216 Octavianus (nom) hennes-vol1 25

Ireland

Latin

● 1479 Octavianum (acc) RegOct 5; 1492 Octaviano (abl) ibid. 14; 1497 Octaviano (abl) ibid. 36; c1505x1510 Octavianus (nom) ibid. 17

Italy

Latin

● 1224 Octavianus (nom) UrkRott-1 17; 1464 Octavianus (nom) CUP-III-I CCXXXI; 1522x1532 Octavianus (nom) DSF p. 56, 13; 1527 Octavianus (nom) Rome1527 p. 84