The name was rare outside England and France.
- Belgium
-
- Latin
- ● c1130 Eustachius (nom) CartStBert 12;
1165 Eustachii (gen) ibid. 18;
1176 Eustachio (abl) ibid. 22;
1178 Eustachii (gen) ibid. 23,
Eustachio (abl) ibid. 23;
1179 Eustachius (nom) ibid. 24;
1190 Eustatius (nom) ibid. 27
- Middle Dutch
- ● 1336 Yeustase (dat) RSG1336-39 p. 18;
1370 Eustaes (nom) MPSA p. 18;
1407 Eustaes (nom) ibid. p. 25
- ◑ 1336 Staes (dat) RSG1336-39 p. 14,
Stase (dat) ibid. p. 26
- Dutch
- ● 1597x1598 Eustaes BoonenGes p. 340
- ◑ 1597x1598 Staes BoonenGes p. 385
- Brabant
-
- Latin
- ● 1312 Eustachius (nom) JeanIII p. 42,
Eustassius (nom) ibid. p. 43,
Eustatius (nom) ibid. p. 37
- England
-
- Latin
- ● 1183 Eustacii (gen) BoldonBuke p. 3;
1185x1186 Eustacio (abl) PR-XXXVI p. 15,
Eustacius (nom) ibid. p. 15;
1222 Eustachii (gen) StPaulDom p. 19,
Eustachius (nom) ibid. p. 14;
1256 Eustacii (gen) EARNb p. 5;
1279–80 Eustacius (nom) WaHR-SK p. 36
- Anglo-French
- ● 1245–1250[1586] Eustace Glover 38
- Dutch
- ◑ 1575 Staijs AuFr Visscher
- Early Modern English
- ● 1530 Ewstace PP-HenV p. 15;
1564 Ustis RegBisham p. 19;
1572/3 Ewstace SurMus p. 169;
1574/5 Ustice RegBisham p. 3;
1574 ewstace SurMus p. 178;
1579 Ustice RegBisham p. 4;
1582 Ustis ibid. p. 4;
1583/4 Ewstace SurMus p. 39;
1586 Eustace DEmar-vol2 p. 13;
1593 Eustace ibid. p. 27
- Middle French
- ● 1586 Eustache WCS p. 20;
1587 Eustache ibid. p. 47;
1588 Eustace ibid. p. 48
- Walloon
- ● 1590/1 Estace RWC p. 15;
1590 Extace ibid. p. 14;
1591/2 Eustasse ibid. p. 20;
1592 Estasse ibid. p. 22,
Eustache ibid. p. 23;
1594 Eustasse ibid. p. 35;
1596 Eustache ibid. p. 44
- France
-
- Latin
- ● 1079x1101 Eustachio (abl) CartStPC XXXVII;
a1089x1101 Eustachius (nom) ibid. XXXIX;
1090x1101 Eustachius (nom) ibid. XLIII;
1093 Eustachii (gen) ibid. VI;
1101x1129 Eustachio (abl) ibid. XXIII;
1123 Eustachii (gen) CartNDJosaphat XII;
c1140 Eustachium (acc) CartNDdOurscamp LXXXIII;
c1160 Eustachii (gen) ibid. XVI;
1168 Eustacius (nom) clairvaux-12thc 134;
1194 Eustachii (gen) CartNDdOurscamp CLVI;
1208 Eustachius (nom) ibid. LXXVI;
1257 Eustachius (nom) ArrestReg-volI IX, Pentecost;
1259 Eustachius (nom) ibid. XXII, Pentecost;
1301 Estacius (nom) MemPic-vol17 p. 218,
Eustachii (gen) ArchReimsII1 X,
MemPic-vol17 p. 202,
Eustachius (nom) ibid. p. 202,
Eustacius (nom) ibid. p. 226;
1378 Eustachio (dat) hanquetvol1 237,
Eustacio (dat) ibid. 538,
Eustacius (nom) ibid. 1761
- Old French
- ● 1292 Estace (obl) MemBret-I 1102;
1327 Eustace MemDocMan-2 p. 180,
Eustache ibid. p. 180
- Middle French
- ● 1388 Eustace thierry;
1418 Eustace HGParis p. 383,
Eustache DdB1418 p. 200,
Eustasse HGParis p. 376;
1421 Eustace favier 845;
1493 Eustace MSR1838 p. 379;
1555 Eustace HistHdVParis no. 25;
1561 Eustace RegPCC-1 p. 2;
1562 Eustace ibid. p. 7;
1563 Eustace ibid. p. 19;
1565 Eustace ibid. p. 191;
1566 Eustace ibid. p. 205;
1567 Eustace ibid. p. 289;
1568 Eustace ibid. p. 384;
1571 Eustace ibid. p. 437
- Hungary
-
- Latin
- ● 1351 Eustachio (abl) CDH-IX-II III
- Israel
-
- Latin
- ● 1115 Eustachius (nom) CartNDJosaphat VI;
1120 Eustachius (nom) ibid. VIII
- The Netherlands
-
- Latin
- ● 1257 Eustatium (acc) OHZI-II no. 25
- Switzerland
-
- Latin
- ● 1458 Heustacium (acc) MHCG2 228;
1492 Heustacio (abl) ibid. 251
Cite as: A. Brown, J. Uckelman, S.L. Uckelman. "Eustace". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Eustace.