A leprechaun hands out treats during the 10th annual St. Patrick's Day Parade along Howe Street in downtown Vancouver on March 16, 2014.RAFAL GERSZAK/The Globe and Mail
People dressed in costumes arrive for the 10th annual St. Patrick's Day Parade in downtown Vancouver on March 16, 2014.RAFAL GERSZAK/The Globe and Mail
Bowen Island Black Sheep Morris Dancers participate in the 10th annual St. Patrick's Day Parade in downtown Vancouver on March 16, 2014.RAFAL GERSZAK/The Globe and Mail
Toronto Mayor Rob Ford greets a reveller dressed as St. Patrick during the St. Patrick's Day parade in Toronto on March 16, 2014.CHRIS YOUNG/The Globe and Mail
Toronto Mayor Rob Ford poses for a photo with marchers from the Native Canadian Centre during the St. Patrick's Day parade in Toronto on March 16, 2014.CHRIS YOUNG/The Globe and Mail
A participant dressed as the Pope takes part in the St. Patrick's Day parade in Toronto on March 16, 2014.CHRIS YOUNG/The Globe and Mail
Revellers line the route during the St. Patrick's Day parade in Toronto on March 16, 2014.CHRIS YOUNG/The Globe and Mail
Participants take part in the St. Patrick's Day parade in Toronto on March 16, 2014.CHRIS YOUNG/The Globe and Mail
Canadian curling fans pay respect to St. Patrick's Day as they cheer for the Rachel Homan rink at the Ford World Women's Curling Championships in Saint John on March 16, 2014.ANDREW VAUGHAN/The Canadian Press
A young spectator smiles as she watches the annual St. Patrick's Day parade in Montreal on March 16, 2014.GRAHAM HUGHES/The Canadian Press
Spectators smile as the watch the annual St. Patrick's Day parade in Montreal on March 16, 2014.GRAHAM HUGHES/The Canadian Press
NDP Leader Thomas Mulcair tips his hat to spectators as he takes part in the the annual St. Patrick's Day parade in Montreal on March 16, 2014.GRAHAM HUGHES/The Canadian Press
A man holds a cat on his shoulder during the annual St Patrick's Day parade in Montreal on March 16, 2014.GRAHAM HUGHES/The Canadian Press
Senator Linda Dorcena Forry, right, thanks Prime Minister Enda Kenny of Ireland after Kenny spoke at the annual St. Patrick's Day Breakfast in Boston on March 16, 2014.MICHAEL DWYER/The Associated Press
A spectator blows bubbles from a second-storey window as participants march down Broadway during the annual South Boston St. Patrick's Day parade in Boston on March 16, 2014. Boston's Irish-American mayor skipped the parade on Sunday after failing to hammer out a deal with organizers to allow a group of gay and lesbian activists to march openly.DOMINICK REUTER/Reuters
A historic reenactment group fires blanks as they march down Broadway during the annual South Boston St. Patrick's Day parade in Boston on March 16, 2014.DOMINICK REUTER/Reuters
Sushila Stegman, 10, smiles as people line the city streets of Kalamazoo on March 15, 2014, for the 14th annual St. Patrick's Day Parade.MARK BUGNASKI/The Associated Press
Everette Finedell, 1, Vincent Finedell 3, Bianca Agnone, 3, and Monroe Agnone, 1, gather candy as people lined city streets downtown Kalamazoo on March 15, 2014, for the 14th annual St. Patrick's Day Parade.MARK BUGNASKI/The Associated Press
A participant walks with the Detroit Pirates group attends the annual St. Patrick's Day parade in Detroit on March 16, 2014.ROBIN BUCKSON/The Associated Press
Mid American Region Pop Warner Cheer and Dance squad performs during the St. Patrick's Day parade in the historic neighborhood of Corktown near downtown Detroit on March 16, 2014.KIMBERLY P. MITCHELL/The Associated Press
A child wearing a green hat with a shamrock takes part in a parade celebrating St Patrick's Day, in Bucharest on March 16, 2014.OCTAV GANEA/The Associated Press
The Brussels Grand Place is lit in green on the occasion of St. Patrick's Day as part of Tourism Ireland's Global Greening Initiative in Brussels on March 16, 2014.ERIC VIDAL/Reuters
A baby wears a green wig during the St Patrick's Day parade in central London on March 16, 2014.OLIVIA HARRIS/Reuters