Mary of the...
A Spanish compound name typically combining Maria with a suffix like 'del Mar' (of the sea) or 'del Carmen'. It functions as a devotional name referring to titles of the Virgin Mary. In some contexts, it is used as a singular condensed form of Maria del.
Fewer than 5 girls were named Mariadel in 2025.
US births per 5-year period, 1990–present (SSA data).