Garrison is a distinctive boys' name in United States, ranking #703 in 2001 with 254 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has increased by 27.6%. In 2001, approximately 1 in every 7,649 boys born was named Garrison. FALLING Recent data shows the name is currently falling.