Noble, of the marsh, or flower-like
Delsy is a rare name with multiple potential roots. It is often considered a diminutive of Adelaide, meaning noble, or a variant of Delsie, which may stem from the flower name Delphinium or the English surname Delves, meaning of the marsh.
Fewer than 5 girls were named Delsy in 2025.
US births per 5-year period, 1990–present (SSA data).
