Gift of God; lake or waterfall
A modern American compound name combining Matti (a diminutive of Matthew or Martha) with the popular suffix -lynn. It blends the Hebrew roots of Matthew, meaning 'gift of God', with the Welsh-derived 'lynn', referring to a body of water.
About 8 girls were named Mattilynn in 2025.
US births per 5-year period, 1990–present (SSA data).
