Sonny is a distinctive girls' name in United States, ranking #9908 in 2009 with 12 recorded births. The name reached its all-time peak in 2023 with 66 births ranking #2669. In 2009, approximately 1 in every 153,073 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.