Garrison is a distinctive boys' name in United States, ranking #661 in 2002 with 283 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has increased by 42.2%. In 2002, approximately 1 in every 6,860 boys born was named Garrison. FALLING Recent data shows the name is currently falling.