Johnston is a distinctive boys' name in United States, ranking #9255 in 1999 with 6 recorded births. The name reached its all-time peak in 2007 with 18 births ranking #5101. Since 1996, the popularity has decreased by 14.3%. In 1999, approximately 1 in every 320,015 boys born was named Johnston. RISING Recent data shows the name is currently rising.