AverillEnglish From Middle English aueril, Old French avrill meaning "April", perhaps indicating a person who was baptized in that month.
ColomboItalian Either from Italian colomba"dove" indicating a dove keeper, or from the given name Colombo, which is derived from the same word. This was the Italian surname of the 15th-century explorer Christopher Columbus.
JanvierFrench Either from the given name Janvier or the French word janvier meaning "January", perhaps indicating a person who was baptized in that month.
MajewskimPolish Derived from Polish maj meaning "May". It may have been given in reference to the month the bearer was baptized.
Monday 2English Denoted a person for whom this was a significant day, often the day they would pay their feudal fees.
SabbadinItalian From a nickname from Italian sabbato"Saturday", a name for one born on that day of the week.
SantoroItalian Means "all saint's day" in Italian, a nickname for one born on that day.