bill greene/globe staff

The Lexington Minutemen marched up West Broadway during the St. Patrick's Day parade in South Boston.

bill greene/globe staff

Revelers of all ages enjoyed the festivities on a warm Sunday.

bill greene/globe staff

This float carried St. Patrick through South Boston.

Bill Greene/globe staff

US Senator Scott Brown appeared alongside his daughter, Ayla, left, and his wife, Gail Huff.

Bill Greene/globe staff

Even the youngest in attendance made sure to wear green.

Bill Greene/globe staff

Bob Wickoff of the Tony Barre Band was joined by revelers for a quick dance.