Cairo is a moderately popular boys' name in United States, ranking #331 in 2023 with 1,010 recorded births. The name reached its all-time peak in 2022 with 1,101 births ranking #306. Since 1996, the popularity has increased by 7,669.2%. In 2023, approximately 1 in every 1,692 boys born was named Cairo. FALLING Recent data shows the name is currently falling.