Garth is a distinctive boys' name in United States, ranking #5088 in 2004 with 16 recorded births. This places Garth in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 50 births ranking #1826. Since 1996, the popularity has decreased by 68.0%. In 2004, approximately 1 in every 124,050 boys born was named Garth. FALLING Recent data shows the name is currently falling.