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Dictionary of Medieval Names
from European Sources

Gerlach m. Old High German, Old Saxon gēr 'spear' + Old Saxon *lēkian, Old High German *leihhen, *leichen 'to dance, sport, play'.

The name of a 12th C Dutch saint.

Estonia
Middle Low German
1383 Gherlach BbRT p. 337; 1415 Gerlach ibid. p. 347; 1417 Gherlach ibid. p. 348; 1431 Gerlach ibid. p. 355
France
Latin
1378 Gerlacus (nom) hanquetvol1 2313
Germany
Latin
1064 Gerlacus (nom) quix-vol1 92; 1191 Gerlacus (nom) ibid. 38; 1211 Gerlacus (nom) hennes-vol1 11; 1214 Gerlacus (nom) ibid. 15; 1219 Gerlacus (nom) ibid. 40; 1220 Gerlachus (nom) ibid. 44; 1222 Gerlacus (nom) quix-vol1 74, quix-vol2 132; 1233 Gerlacus (nom) hennes-vol1 88; 1234 Gerlacus (nom) ibid. 89; 1253 Gerlauch (nom) ibid. 147; 1412 Gerlochi (gen) mairhofer DCXCV
Italy
Latin
1096 Gerloch (nom) UrkStyria 88
Latvia
Latin
1286 Gerlaco (dat) RigSB 463; 1287 Gerlaco (dat) ibid. 496; 1291 Gerlaco (dat) ibid. 346; 1292 Gerlaco (dat) ibid. 149; 1293 Gerlaco (dat) ibid. 152; 1296 Gerlaci (gen) ibid. 398; 1307 Gerlaco (dat) ibid. 204
The Netherlands
Latin
1268 Gerlacus (nom) GesOIJ-1 p. 295; 1274 Gerlacus (nom) ibid. p. 295; 1297 gerlaci (gen) ibid. p. 297; 1334 Gherlacus (nom) ibid. p. 299
Poland
Middle High German
1324x1332 Gerlach SBGlatzer p. 1
Cite as: S.L. Uckelman. "Gerlach". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Gerlach.