The surname ONOLFO is not included in the US Census Bureau's ranking of surnames with 100 or more people. Since fewer than 100 people with this surname were included in the 2000 Census, it is relatively uncommon.
Data: Frequently Occurring Surnames from Census 2000", US Census Bureau.
Histopolis currently has
2 grave(s) with the surname
Histopols Grave Index
for the surname
has a Soundex code of
O541. The following
surname(s) may sound similar to
since they share the same Soundex code.