Noble or son of Adam
Addysyn is a modern creative spelling of Addison. It originates from an English surname meaning 'son of Addie' (a medieval diminutive of Adam) or is linked to the Germanic root 'adal' meaning noble.
Fewer than 5 girls were named Addysyn in 2025.
US births per 5-year period, 1990–present (SSA data).
