The last name Jahn is primarily of German origin, a shortened form of the personal name Johannes (John), which means "God is gracious". It can also be a Germanized form of Sorbian, Polish, and Czech names like Jan, Ján, or Yan, also meaning "John". The name first appeared in the 13th century as surnames became more common for identification.
Here are the key aspects of the Jahn name's origins:
Germanic Roots: The most common origin is German, derived from the popular personal name Johannes.
Biblical Name: John, and thus Johannes, is a biblical name that has been popular throughout history.
Slavic Connection: It is also a Germanized form of Slavic names like Jan (Sorbian, Polish, Czech) and Ján (Czech, Slovak), which are vernacular short forms of Johannes.
First Appearance: The surname "Jahn" began to appear in records during the 13th century in Germany, coinciding with the rise of surnames for identification.
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