Day.
A surname originating as a patronymic derived from a medieval diminutive of David.
Meaning & usage
A surname originating as a patronymic derived from a medieval diminutive of David.
An English surname originating as an occupation from day as a word for a "day-servant", an archaic term for a day-laborer, or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.
A surname from Irish can be found as both Day and O'Day from Ó Deághaidh (“descendant of a person named Good Luck”).
A number of places in the United States: An unincorporated community in Modoc County, California.
A number of places in the United States: A census-designated place and unincorporated community in Lafayette County, Florida.
A number of places in the United States: A township in Montcalm County, Michigan.
A number of places in the United States: An unincorporated community in Isanti County, Minnesota.
A number of places in the United States: An unincorporated community in Taney County, Missouri.
A number of places in the United States: A town in Saratoga County, New York.
A number of places in the United States: A town in Marathon County, Wisconsin.
Where this word comes from
This surname has multiple origins. Besides the ones listed below, Norman origin has also been suggested from De Haie", or "a corruption of the Normandy French D'Ossone, from the town of Ossone, in Normandy".
A Mbum-Day language of Chad.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.