because people said they were lucky and this has continued because they chose the clover. You therefore get the luck of the Irish
seamair (clover) [shammir] seamróg(little clover, shamrock) [sham-róg]
A shamrock.
The four leaf clover is considered a symbol of good luck by Irish people
Kennedy, Irish
Not Christianity itself, but the Irish Catholics who celebrate St.Patricks day, the Clover is a Symbolic part of the celts
a four leave clover ;) JK
The three leaf clover, or shamrock, is a symbol for the Irish because St. Patrick used it to teach the pagans the Trinity, 3 into 1, or 3 forming 1.
The word "shamrock" comes from the Irish word "seamair รณg," which means "young clover." It refers to a type of three-leafed clover that is considered a symbol of Ireland and is traditionally associated with St. Patrick's Day.
back in the day, Boston was full of Irish men. The founder of the team put them in green uniform and called them the Boston Celtics. The clover design is is derived from the Irish culture, since Boston was mostly populated with Irish people.
Green, symbolizing the lucky four-leaf clover.
It is a three-leafed, old white clover. It is sometimes of the variety Trifolium repens (a white clover, known in Irish asseamair bhán) but today usually Trifolium dubium (a lesser clover, Irish:seamair bhuí).