The English vernacular form Gil is witnessed in 1379 in the relational byname Gildoghter (WRYPT1 p. 316).
The name is sometimes confused with Gilo.
  
  
- Belgium
- 
- Latin
- ● 1200 Egidio (abl) TSPDB-II p. 65;
 1266 Egidius (nom) OvdFB 6
- Middle Dutch
- ● 1336 Gillis (dat) RSG1336-39 p. 10,
 Gillise (dat) ibid. p. 7;
 1376 Gillis (nom) RSG1376-89 p. 1;
 1377 Gillis (nom) ibid. p. 77;
 1407 Gillis (nom) AM6 p. 17;
 1414 Gillis (dat) ibid. p. 24,
 Gillise (dat) ibid. p. 25;
 1415 Gillis (dat) ibid. p. 26;
 1419 Gillis (dat) ibid. p. 27
- Dutch
- ● 1597x1598 Gielis BoonenGes p. 321
 
- Brabant
- 
- Latin
- ● 1312 Egidii (gen) JeanIII p. 17,
 Egidio (abl) ibid. p. 41,
 Egidium (acc) ibid. p. 36,
 Egidius (nom) ibid. p. 4,
 Gielys (gen) ibid. p. 30
 
- England
- 
- Latin
- ● 1189 Gile (nom) GASurv p. 134,
 Giles (nom) ibid. p. 102;
 1340xc1450 Edidius (nom) CovGuild-1 p. 6,
 Egidius (nom) ibid. p. 7;
 1381 Egidio (abl) Suffolk1381 p. 91;
 1485–1486 Egidio (abl) CovGuild-2 p. 64,
 Jylys (nom) ibid. p. 79;
 1551 Egidius (nom) StMartF p. 57;
 1564 Egidius (nom) RegSoAMar p. 4;
 1565 Egidius (nom) ibid. p. 4;
 1570/1 Gyles (nom) RegSoABap p. 17
- Dutch
- ● 1571 Gilles AuFr s'Broeders;
 1572 Gillis ibid. Bontenaken;
 1574 Gillis ibid. Bontenaken;
 1575 Gillis ibid. Bode;
 1577 Gillis ibid. Doornhove;
 1578 Gillis ibid. Bontenaken;
 1579 Gillis ibid. Bode;
 1580 Gillis ibid. Booij;
 1583 Gillis ibid. Ghele;
 1584 Gillis ibid. Bedalls;
 1585 Gillis ibid. Gele;
 1586 Gielis ibid. Ghijsels,
 Gillis ibid. Beijdall;
 1587 Gielis ibid. Eechout;
 1588 Gielis ibid. Beijdaels;
 1589 Gielis ibid. Coster;
 1590 Gillis ibid. Baert;
 1593 Aegidius ibid. Bijlovoys,
 Gillis ibid. Alaerts;
 1595 Gillis ibid. Costere;
 1597 Gielis ibid. Ackom,
 Gillis ibid. Choor
- Middle English
- ● 1438 Giles EEW p. 112
- ◑ 1429 Gillot WillsInv LV
- Early Modern English
- ● 1481 Giles HHB1481-90 p. 7;
 1529 Giles PP-HenV p. 6;
 1530 Gyles LIWill-III p. 87,
 Gylys ibid. p. 71;
 1539 Gylles DEmar-vol1 p. 77;
 1559 Giles BUmar-vol2 p. 60,
 bruton1 p. 30,
 Gyles ibid. p. 110;
 1562 Giles BUmar-vol9 p. 3,
 bruton1 p. 111;
 1563 Giles StAnthonlin p. 16,
 Gyles COmar-vol2 p. 69;
 1565 Gylyes COmar-vol5 p. 3;
 1567 Gyles bruton1 p. 5;
 1573 Giles COmar-vol2 p. 70;
 1575 Giles bruton1 p. 42;
 1580 Giles StAnthonlin p. 28;
 1581 Giles ibid. p. 28;
 1582 Giles ibid. p. 29;
 1583 Giles ibid. p. 30;
 1584 Giles DEmar-vol2 p. 10;
 1585 Giles ibid. p. 11;
 1586 Giles ibid. p. 12;
 1587 Giles ibid. p. 13;
 1594 Giles ibid. p. 29,
 Gyles BUmar-vol9 p. 9,
 COmar-vol2 p. 72,
 RegSoAMar p. 17;
 1595 Giles DEmar-vol2 p. 32,
 Gyles bruton1 p. 54
- Walloon
- ● 1581 Gilles RWC p. 3;
 1582 Gilles ibid. p. 4;
 1583 Gilles ibid. p. 437;
 1583/4 Gilles ibid. p. 7;
 1584 Gilles ibid. p. 8;
 1590 Giles ibid. p. 14,
 Gilles ibid. p. 441;
 1591 Gilles ibid. p. 16;
 1591/2 Gilles ibid. p. 563;
 1592/3 Gilles ibid. p. 25;
 1592 Gilles ibid. p. 564;
 1593 Gilles ibid. p. 27;
 1593/4 Gilles ibid. p. 564;
 1594 Gilles ibid. p. 33
 
- France
- 
- Latin
- ● 565 Egidius (nom) DCEL-2 Add. II;
 1147 Egidius (nom) clairvaux-12thc 14;
 1163 Egidii (gen) ibid. 99;
 1179 Egidius (nom) ibid. 179;
 1236 Egidius (nom) NDParisII 2-XXXIX;
 1239 Egidii (gen) CartAub;
 1260 Egidius (nom) ArrestReg-volI XI, Pentecost,
 CartNDdOurscamp CXVII;
 1263 Egidius (nom) ibid. XXIII;
 1292 Egidii (gen) MemBret-I 1103;
 1295 Egidius (nom) HistHdVParis p. 130;
 1301 Egidius (nom) MemPic-vol17 p. 175,
 Egydius (nom) ibid. p. 202;
 1304 Egidius (nom) CartNDdOurscamp LXXXVI;
 1306 Egidio (dat) ArchReimsII1 LVII;
 1313 Egidio (abl) CartNDdOurscamp LXXXVIII;
 1378 Egidii (gen) hanquetvol1 162,
 Egidio (dat) ibid. 57,
 Egidium (acc) ibid. 736,
 Egidius (nom) ibid. 210
- ◑ 1163–64 Gillenet (nom) clairvaux-12thc 107,
 Gillenez (nom) ibid. 107;
 1164 Gillentz (nom) ibid. 120;
 1260 Gileti (gen) ArrestReg-volI XXI, Ascension;
 1376 Gilletus (nom) St-Barnard-Romans 383
- Old French
- ● 1291 Gile (obl) HistHdVParis p. 108;
 1292 Gile 1292paris p. 2,
 Gilles (obl) MemBret-I 1101;
 1295 Gile (obl) HistHdVParis p. 129;
 1296 Gile paris1296 p. 17,
 (obl) HistHdVParis p. 132;
 c1298 Gile (obl) ibid. p. 138;
 1301 Giles (nom) MemPic-vol17 p. 266,
 Gilles (nom) ibid. p. 335 [p. 235];
 1303 Giles (nom) ArchCambIII p. 153;
 1307 Giles (nom) ArchReimsII1 LX;
 1313 Gile Paris1313 p. 20,
 Giles ibid. p. 7
- ◑ 1296 Gilet paris1296 p. 27;
 1301 Gillot (obl) MemPic-vol17 p. 239;
 1313 Gilet Paris1313 p. 36,
 Gilot ibid. p. 97
- Middle French
- ● 1358 Gile LeCoq p. 383;
 1364 Giles ActsCharlesV no. 33;
 1392 Gilles MemBret-II col. 609;
 1404 Gilles HistHdVParis no. 4;
 1418 Gilles DdB1418 p. 200;
 1421 Gilles favier 4;
 1423 Gilles ibid. 384;
 1438 Giles ibid.;
 1493 Gillis MSR1838 p. 375;
 1561 Gilles RegPCC-1 p. 5;
 1562 Gilles ibid. p. 15;
 1563 Gilles ibid. p. 20;
 1564 Gilles ibid. p. 46;
 1565 Gilles ibid. p. 107;
 1566 Gilles ibid. p. 200;
 1567 Gilles ibid. p. 282;
 1568 Gilles ibid. p. 365;
 1570 Gilles ibid. p. 428;
 1571 Gilles ibid. p. 439;
 1572 Gilles ibid. p. 486;
 1587 Gilles RTFProvins 243
- ◑ 1364 Gillet ActsCharlesV no. 132;
 1365 Gilet ibid. no. 297;
 1392 Gilet MemBret-II col. 607,
 Gillet ibid. col. 602,
 Gilot ibid. col. 611;
 1418 Giles HGParis p. 376,
 Gilet DdB1418 p. 198,
 HGParis p. 374;
 1421 Gilet favier p. 157,
 Gillet Laroche no. 6,
 favier 64,
 Gillot ibid.;
 1423 Gillet ibid. 77;
 1438 Gilet ibid. 203,
 Gillot ibid. p. 295,
 Gilot ibid. 521;
 1493 Gillet MSR1838 p. 378;
 1570 Gillet RegPCC-1 p. 558;
 1571 Gilet ibid. p. 560
 
- Germany
- 
- Latin
- ● 1212 Aegidii (gen) CDL-1.1.1 V;
 1219 Aegidii (gen) ibid. VI;
 1223 Egidius (nom) quix-vol2 136
- Early New High German
- ● 1497 Gilg Nurn1497 284;
 1555 Gilg (nom) MHCG2 335
 
- Italy
- 
- Latin
- ● 1169 Egidii (gen) SDE3 II;
 1198 Egidii (gen) ChStBo1 V,
 Egidius (nom) ibid. IV;
 1229 Egidius (nom) CDT1 XI;
 1265x1339 Zilli (gen) BBC-Berg 352,
 Zillii (gen) ibid. 415;
 1348 Egidio (dat) INP 25;
 1376 Egidio (abl) DouGen1 p. 147;
 1387 Egidii (gen) Venditti II-2070;
 1521 Egidio (abl) VitAs2 III
- ◑ 1285 Gilioli (gen) Perugia1285 p. 158,
 Ziliollus (nom) BBC-Berg p. XLIII
- Italian
- ● 1490 Egidii (gen) VitAs2 II
 
- The Netherlands
- 
- Latin
- ● 1254 Egidius (nom) GesOIJ-1 p. 294;
 1258 Egidio (abl) OHZI-II no. 48,
 Egidius (nom) ibid. no. 49;
 1288 Egidii (gen) GesOIJ-1 p. 296,
 Egidius (nom) ibid. p. 296;
 1324 Egidii (gen) ibid. p. 298,
 Egidius (nom) ibid. p. 298;
 1361 Egidij (gen) ibid. p. 302,
 Egidius (nom) ibid. p. 302;
 1387 Egidij (gen) ibid. p. 304,
 Egidius (nom) ibid. p. 304
- Dutch
- ● 1560 Gillis MagMiddelburg-1560;
 1561 Gillis ibid.;
 1562 Gillis ibid.;
 1563 Gillis ibid.;
 1564 Gillis ibid.;
 1565 Gillis ibid.;
 1566 Gillis ibid.;
 1567 Gillis ibid.;
 1568 Gillis ibid.;
 1577 Gillis ibid.;
 1579 Gillis ibid.;
 1580 Gillis ibid.;
 1581 Gillis ibid.;
 1582 Gillis ibid.;
 1585 Gillis ibid.;
 1586 Gillis ibid.;
 1587 Gillis ibid.;
 1589 Gillis NHG-Middelburg p. 40;
 1590 Gillis MagMiddelburg-1560;
 1591 Gillis ibid.;
 1592 Gillis ibid.;
 1593 Gillis ibid.;
 1598 Gillis ibid.;
 1599 Gillis ibid.
 
- Poland
- 
- Latin
- ● 1105 Aegidius (nom) CDT1 I;
 1275 Egydium (acc) ibid. XXIII,
 Egydius (nom) ibid. XXIII
 
- Portugal
- 
- Latin
- ● 1209 Egidio (dat) PHGCRP-I no. 10
 
- Scotland
- 
- Latin
- ● 1376 Gylis (gen) morton-vol1 16
 
- Spain
- 
- Latin
- ● 1276 Egidio (dat) CDGH XLVI,
 Egidius (nom) ibid. XLVI,
 egidii (gen) ibid. XLVI
 
- Switzerland
- 
- Early New High German
- ● 1553 Gilg (gen) MHCG2 330;
 1554 Gilg (nom) ibid. 331
 
- Wales
- 
- Early Modern English
- ● 1598 Giles RegLlantrithyd p. 1
 
Cite as: G. Grim, J. Uckelman, S.L. Uckelman. "Giles". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Giles.