Alexi is a distinctive boys' name in United States, ranking #1899 in 1998 with 51 recorded births. The name reached its all-time peak in 2008 with 73 births ranking #1947. Since 1996, the popularity has increased by 13.3%. In 1998, approximately 1 in every 37,477 boys born was named Alexi. FALLING Recent data shows the name is currently falling.