Cairo is a moderately popular boys' name in United States, ranking #355 in 2024 with 944 recorded births. The name reached its all-time peak in 2022 with 1,101 births ranking #306. Since 1996, the popularity has increased by 7,161.5%. In 2024, approximately 1 in every 1,817 boys born was named Cairo. FALLING Recent data shows the name is currently falling.