Triston is a distinctive boys' name in England & Wales, ranking #1457 in 2008 with 15 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #1457. Since 1996, the popularity has increased by 150.0%. In 2008, approximately 1 in every 22,625 boys born was named Triston. FALLING Recent data shows the name is currently falling.