One of the most iconic aspects of the Boston Celtics history is their instantly recognizable logo history. The Celtics’ logo has remained relatively consistent over the years, with subtle changes that have helped it remain timeless. The original logo, introduced in the late 1940s, featured a simple shamrock design, reflecting Boston’s Irish heritage. The shamrock, often associated with good luck, became a symbol of the team's pursuit of greatness and success.

In 1950, however, the franchise debuted a new logo featuring a leprechaun—known today as the Celtics’ Lucky Leprechaun—with a basketball in one hand and a cane in the other. This design was chosen to embody the team's Irish roots and sense of charm and luck. The leprechaun quickly became synonymous with the Celtics’ identity, and it still graces the team’s uniforms today, serving as a symbol of both the team’s rich tradition and their relentless pursuit of victory. The green and white color scheme, which is still prominent in the team's jerseys and merchandise, has also been a defining characteristic of the Celtics’ visual identity, linking the team to their heritage and fanbase.

Over the years, the Celtics have updated the logo slightly, but the essence of the original leprechaun remains. It’s a nod to the team’s roots and its commitment to honoring the past while building for the future.