Verkerk is a surname, and can be broken into two parts, "ver" and "kerk". "Ver" (in Dutch) stands for "FAR" and "kerk" (in Dutch) stands for "CHURCH", which could be related to that these people when they were given (or had to choose) a surname, that they were living FAR (ver) from the CHURCH (kerk).
Notable people with the surname include:
References
Verkerk Wikipedia(Text) CC BY-SA