Rennie is a distinctive girls' name in United States, ranking #11966 in 2021 with 8 recorded births. This places Rennie in the bottom 32% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 13 births ranking #8514. Since 1996, the popularity has increased by 60.0%. In 2021, approximately 1 in every 204,964 girls born was named Rennie. RISING Recent data shows the name is currently rising.