Garrison is a distinctive boys' name in United States, ranking #1240 in 2018 with 149 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has decreased by 25.1%. In 2018, approximately 1 in every 12,184 boys born was named Garrison. FALLING Recent data shows the name is currently falling.