from
http://www.thinkbabynames.com/meaning/0/Kimberly
Kimberly meaning and name origin
Kimberly \k(i)-mber-ly, kimb(e)-rly\ as a girl's name (also used as boy's name Kimberly), is pronounced KIM-ber-lee. It is of Old English origin, and the meaning of Kimberly is "Cyneburg's field". Place name and surname: Cyneburg was an Old English personal name meaning "royal forest". Masculine use of the name can be traced back to the Boer War, when English soldiers were fighting in the South African town of Kimberley. Judge Kimba Wood.
Kimberly is a very popular first name for women (#24 out of 4276) and also a very popular surname or last name for all people (#14276 out of 88799). (1990 U.S. Census)
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luckily the use of this name has dropped so it's not as confusing when I hear someone say my name...