Ontario is a distinctive boys' name in United States, ranking #8002 in 2016 with 10 recorded births. The name reached its all-time peak in 1996 with 29 births ranking #2658. Since 1996, the popularity has decreased by 65.5%. In 2016, approximately 1 in every 189,721 boys born was named Ontario. FALLING Recent data shows the name is currently falling.