Surnames Categorized "purity"

This is a list of surnames in which the categories include purity.
usage
source
Innocenti Italian
From a nickname meaning "innocent" in Italian.
Shimizu Japanese
From Japanese (shi) meaning "clear, pure, clean" and (mizu) meaning "water".
Virgo English
Possibly from Latin virgo "virgin, maiden". It may have been a nickname for an actor who played the Virgin Mary in mystery plays, or for a shy man or a lecher.