Sunshine or happy temperament
A cheerful diminutive of the English word 'sun', Sunnie is a modern phonetic spelling of Sunny. It evokes warmth, light, and a bright disposition, often used as a nickname that has transitioned into a standalone given name.
About 221 girls were named Sunnie in 2025.
American child actress known for the TV series Bones
Subject of national media attention regarding gender expression in schools
US births per 5-year period, 1990–present (SSA data).