Garrison is a distinctive boys' name in United States, ranking #1139 in 2016 with 170 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has decreased by 14.6%. In 2016, approximately 1 in every 11,160 boys born was named Garrison. FALLING Recent data shows the name is currently falling.