Garrison is a distinctive boys' name in United States, ranking #739 in 2004 with 253 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has increased by 27.1%. In 2004, approximately 1 in every 7,845 boys born was named Garrison. FALLING Recent data shows the name is currently falling.