Surnames Categorized "months"

This is a list of surnames in which the categories include months.
usage
Averill English
From Middle English aueril, Old French avrill meaning "April", perhaps indicating a person who was baptized in that month.
Janvier French
Either from the given name Janvier or the French word janvier meaning "January", perhaps indicating a person who was baptized in that month.
Majewski Polish
Derived from Polish maj meaning "May". It may have been given in reference to the month the bearer was baptized.
May English
Derived from the given name Matthew.