If you wanted just "Montreal" in general, before 1915 the Stanley Cup was the Challenge Cup and Montreal won it 19 times.
Also, in 1915-1916, 1923-1924 & 1925-1926 the Montreal Canadians were PCHA & WCHL/WHL champions
Boston Bruins
The 1928-29 Stanley Cup Champions were the Boston Bruins
Boston Bruins
The Boston bruins
the Boston Bruins
The Boston Bruins. After Montreal, Toronto, and Detroit, the Bruins have 6.
Nothing
The Boston Bruins won the 2011 Stanley Cup.
The Boston Bruins are the Stanley Cup champions until mid June of 2012.
36 years ago
Boston Bruins
The Boston Bruins with 6.