Ontario is a distinctive boys' name in United States, ranking #8614 in 2014 with 9 recorded births. The name reached its all-time peak in 1996 with 29 births ranking #2658. Since 1996, the popularity has decreased by 69.0%. In 2014, approximately 1 in every 213,382 boys born was named Ontario. FALLING Recent data shows the name is currently falling.