Garrison is a distinctive boys' name in United States, ranking #1128 in 2019 with 173 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has decreased by 13.1%. In 2019, approximately 1 in every 10,366 boys born was named Garrison. FALLING Recent data shows the name is currently falling.