Nairobi is a distinctive girls' name in United States, ranking #2671 in 2019 with 65 recorded births. The name reached its all-time peak in 2021 with 242 births ranking #1043. Since 1996, the popularity has increased by 490.9%. In 2019, approximately 1 in every 25,809 girls born was named Nairobi. FALLING Recent data shows the name is currently falling.