Johnwilliam is a distinctive boys' name in United States, ranking #11375 in 2016 with 6 recorded births. The name reached its all-time peak in 2010 with 13 births ranking #6532. Since 1996, the popularity has increased by 20.0%. In 2016, approximately 1 in every 316,202 boys born was named Johnwilliam. FALLING Recent data shows the name is currently falling.