Acker came from German or Old English, meaning "field", and is also related to the word "acre". Therefore, Ackermann means "fieldman". Ackerman is a common Ashkenazi Jewish surname. [http://en.wikipedia.org/wiki/Ackerman_(surname) Wikipedia]
Last name origins & meanings: from http://genealogy.familyeducation.com/surname-origin/ackerman
- Dutch: occupational name from akkerman ‘plowman’; a frequent name in New Netherland in the 17th century. Later, it probably absorbed some cases of the cognate German and Swedish names, Ackermann and Åkerman respectively.
- English: from a medieval term denoting feudal status, Middle English akerman (Old English æcerman, from æcer ‘field, acre’ + man ‘man’). Typically, an ackerman was a bond tenant of a manor holding half a virgate of arable land, for which he paid by serving as a plowman. The term was also used generically to denote a plowman or husbandman.
- Variant of German and Jewish Ackermann.
Read more on FamilyEducation: http://genealogy.familyeducation.com/surname-origin/ackerman#ixzz1jHkMLoC9