An Old English word 'daeg', means 'day.' The Old Norse term deigja means to knead.
It is also a nickname for David.
Additional spellings are Daye, Dey, Duy, Div, Dao and Deye.
In the 1880s most Day family members were farmers.
In England, London has the highest number of people with the surname of Day and scatterings along the southern counties. Very popular surname in the counties of Hertfordshire and Bedfordshire.
States with higher population using the Day surname are New York, Pennsylvania, California, Texas, Massachusetts, Florida, Illinois and Ohio. Population with the surname of Day is about 89,000 in the Untied States.
Famous: Doris Day (actress and singer), William R. Day (U. S. Supreme Court Judge), Dennis Day (radio entertainer), Francis Day (artist), Robert Day (one of the founders of Hartford, Connecticut) and Daniel Day-Lewis (actor).