Family name origins & meanings
- Americanized form of German Österlin : from the personal name Österlin, composed of the elements oster ‘Easter’ + the hypocoristic suffix -lin, thus denoting a child born on Easter Day.
- Americanized form of German Österlin : nickname for someone living to the east of a settlement or coming from a place in the east, from late Middle High German ost ‘east’.