From Madde (a medieval diminutive of Maud and Magdalene) + -son.
Maddison (countable and uncountable, plural Maddisons)
- A surname originating as a matronymic.
- A female given name transferred from the surname, of mostly British usage, variant of Madison.
- A male given name transferred from the surname, less common than the female name today.
- According to the 2010 United States Census, Maddison is the 36048th most common surname in the United States, belonging to 622 individuals. Maddison is most common among White (68.01%) and Black/African American (14.79%) individuals.