Garrison is a distinctive boys' name in United States, ranking #892 in 2007 with 225 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has increased by 13.1%. In 2007, approximately 1 in every 9,223 boys born was named Garrison. FALLING Recent data shows the name is currently falling.