Garrison is a distinctive boys' name in United States, ranking #1299 in 2020 with 139 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has decreased by 30.2%. In 2020, approximately 1 in every 12,411 boys born was named Garrison. FALLING Recent data shows the name is currently falling.