Sonny is a distinctive girls' name in United States, ranking #3022 in 2025 with 55 recorded births. This places Sonny in the top 17% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 66 births ranking #2669. Since 1996, the popularity has increased by 400.0%. In 2025, approximately 1 in every 29,223 girls born was named Sonny. FALLING Recent data shows the name is currently falling.
Sonny is a bright, affectionate nickname-style name with an easy warmth to it. It feels cheerful, vintage, and approachable.
Originally a term of affection, Sonny later entered formal name use as part of the broader move towards friendly short names on birth records. Its charm comes from its simplicity and emotional warmth.