Geisler
A German surname probably tied to the old heroic name Giselher, with a long history of spelling and pronunciation shifts.
The #5,622 most common surname in the United States (2010 Census) — about 1 in every 49,918 Americans shares it.
Etymology
Geisler is most likely a German surname formed from the old personal name Giselher, an early Germanic compound name. In older scholarship, the name is often explained through the element gisel, meaning “hostage,” “pledge,” or “noble youth,” combined with a second element commonly taken to mean “army” or “warrior.” Over time, the old name was shortened and reshaped in dialect and spelling, producing surnames such as Geisler and related forms like Geissler and Geismar.
History
The surname is especially associated with German-speaking areas, and historical writers linked it to the legendary name Giselher from the Nibelungen tradition. The form appears in 19th-century onomastic works as one of several modern surnames derived from that older heroic name. In the United States, Geisler is relatively uncommon but established through German immigration.
Origin
Regions
Variant spellings
Fun fact
19th-century scholars sometimes connected Geisler directly with Giselher, the name of one of the kings in the Nibelungen story.
From the historical record
“Geiskop. Tête de chèvre (AU.). Geisler, Geismar, Geissler. F. allemandes modernes des vieux noms germ. Giselher, Giâehnar (ixe siècle), auxquels les étymologistes alle- mands, hors Fôrstemaun, donnent”
— Dictionnaire des noms (French surnames)