1: According to clan legend, the Buchanan Clan's motto, "Clarior hinc honos" (Hence the brighter honor), is associated with a daring act by one of its chiefs. It is said that during a clan battle, a Buchanan chief severed the head of an enemy's bull with one swift blow, displaying great bravery and earning the motto as a result.

2: The Buchanan Yew, a historic and ancient tree, is associated with the clan. Located near the Buchanan Castle in Scotland, it is believed to have been planted by a Buchanan chief in the 17th century. The tree holds symbolic significance and is considered a living testament to the clan's enduring history.

3: The Buchanan Clan has a strong presence in Highland Games and gatherings. Members of the clan often participate in these events, showcasing their traditional skills in activities such as caber tossing, tug-of-war, and pipe and drum competitions. These gatherings serve as a way to celebrate and preserve Scottish culture.

4: The Buchanan Clan has produced notable literary figures. One of the most well-known is George Buchanan (1506–1582), a Scottish historian and scholar. He was a tutor to Mary, Queen of Scots, and played a significant role in shaping Scottish intellectual and literary traditions.

5: The Buchanan Tartan is rich in symbolism. The yellow or gold color is said to represent the generosity and hospitality of the clan, while the green symbolizes the fertile lands they inhabited. Red is often associated with strength and valor, and the overall design reflects the natural beauty of the Scottish landscape.

6: A memorial stone dedicated to the Buchanans can be found at Craigrostan on the shores of Loch Lomond. The stone commemorates the chief of the clan, John Buchanan of Arnprior, who died in 1681. The inscription on the stone pays tribute to his role as a defender of the Protestant faith.

7: Glasgow, one of Scotland's major cities, has a Buchanan Street named after the clan. Buchanan Street is a bustling shopping district with a rich history, and it reflects the economic and cultural contributions of the Buchanans to the region.