Garrison is a distinctive boys' name in United States, ranking #999 in 2014 with 206 recorded births. This places Garrison in the top 7% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1999 with 353 births ranking #566. In 2014, approximately 1 in every 9,323 boys born was named Garrison. FALLING Recent data shows the name is currently falling.