Everyone is Irish on St. Patrick's Day. Brooklyn Irish American Day Parade Stock Photo - Alamy

Saint Patrick's Irish Day Parade in the Park Slope neighborhood in Brooklyn, New York. Young dancers from the Buckley School of Irish Dance performs at the parade Stock Photo - Alamy

Flag st patricks day parade hi-res stock photography and images - Alamy

Saint Patrick's Irish Day Parade in the Park Slope neighborhood in Brooklyn, New York. Souvenir vendors at the parade Stock Photo - Alamy

Patricks hi-res stock photography and images - Alamy

Brooklyn Irish American Day Parade takes place close to Saint Patrick's Day each year in Park Slope, Brooklyn, NY Stock Photo - Alamy

St. Patrick's Day parade woman costumed in Irish green with sucker. St Paul Minnesota USA Stock Photo - Alamy

Nyc st patricks day parade hi-res stock photography and images - Alamy

Irish Parade, Park SLope, Brooklyn, New York Stock Photo - Alamy

Spectators at St Patricks Day Parade Dublin Ireland 2009 Stock Photo - Alamy

Irish dancers parade usa hi-res stock photography and images - Alamy