The history of the Rosemère Municipal library is a long and lovely one. In 1942, during World War II, one of the first libraries in the region was established in a small community of some 500 families. Back then, there were no doctors, police department or fire station in this vacation paradise. Yet...books already held such an important place in the Rosemère community that volunteers came together to carry out a project dear to their hearts: a library. And so, in:
1942
The idea of a library was born.
1945
A library for Rosemère’s English-speaking adults was established on a private property.
1948
A library for English and French-speaking youths was set up. We have been told that Rosemère was not only the first bilingual library in the region, but in the Greater Montreal area.
1961
A library for French-speaking adults was established.
1964
The Municipal Council adopted a by-law merging the three libraries. The new library served four clienteles: French-speaking adults, English-speaking adults, French-speaking youths and English-speaking youths. By then, the library boasted almost 5,000 books.
1979
The library moved to the Rosemère Community Centre at 339 Grande-Côte.
1980
The library hired permanent personnel.
1989
The library was expanded and transformed.
1990
The library became computerized.
1997
With the introduction of the Internet, the library made new information technology available.
2003
The library was expanded, between September 2003 and April 2004.
2004
On April 13, the new library opened. Floor space had increased from 425 m2 to 1,462 m2.
2008
The online catalogue was launched.
2009
The mobile library was introduced.
2013
E-book loans and access to online resources became available.
Growth in figures
| Year | Population | Collection | Members | Loans |
| 1947 | 500 familles | 870 documents | 105 members | -- |
| 1980 | 7,550 residents | 16,816 documents | 636 members | 28,920 |
| 1987 | 8,725 residents | 29,636 documents | 4,050 members | 62,858 |
| 1997 | 12,335 residents | 46,709 documents | 6,030 members | 128,100 |
| 2000 | 13,326 residents | 53,451 documents | 6,329 members | 123,946 |
| 2007 | 14,434 residents | 75,290 documents | 6,322 members | 131,842 |
| 2013 | 14,365 residents | 91,351 documents | 5,223 members | 138,137 |
| 2015 | 14,339 residents | 93,832 documents | 5,594 members | 136,874 |