Meaning and name origin
Dilbert \d(i)-lbe-rt, dil-bert\ as a boy's name is of Old English origin, and the meaning of Dilbert is "day-bright". Dilbert is a variant of Delbert (Old English): also possibly a variant of Albert or Adelbert (Old English) "noble, bright".
Dilbert has 1 variant form: Dalbert.
Dilbert is not a popular first name for males but a very popular surname or last name for all people (#38191 out of 88799, Top 43%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Dilbert and its variant forms. The only popular variation form ranked in the Top 1000/100 is Delbert. (2014 statistics).