Born in Baltimore County, Maryland. Son of T. Harrison Garrett. Received B.S. from Princeton University in 1897. He did graduate study at Johns Hopkins University 1897 to 1899 and 1900 to 1901.

He participated in the 1896 Olympics in Athens. He placed first in the shotput and discus and second in the high jump and long jump. Married Katherine Barker Johnson May 1, 1907. They had ten children.

Partner in the banking firm of Garrett & Sons until retirement in 1957. Garrett donated land to the city of Baltimore for parks and staffed the parks with athletic directors. He became president of the Public Athletic League that later became the Playground Athletic League and merged into the Baltimore Bureau of Recreation to become the Baltimore Department of Parks. He brought the Boy Scout movement to Baltimore in 1910. Garrett was active in many other civic organizations.

He inherited a coin collection from his father and traded the collection to John Work Garrett in 1919 for art objects.

He died in Baltimore, Maryland.

bio: NCAB 48; WWWA-4; NUM/NIN 9/96