Garrison is a distinctive boys' name in United States, ranking #1175 in 2011 with 151 recorded births. The name reached its all-time peak in 1999 with 353 births ranking #566. Since 1996, the popularity has decreased by 24.1%. In 2011, approximately 1 in every 12,576 boys born was named Garrison. FALLING Recent data shows the name is currently falling.