Garrison is a distinctive boys' name in United States, ranking #679 in 2003 with 286 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has increased by 43.7%. In 2003, approximately 1 in every 6,907 boys born was named Garrison. FALLING Recent data shows the name is currently falling.