[1] In May 1562 Donald McGillespie Vich O'Challum received a charter of the lands of Poltalloch in the parish of Kilmartin in the county of Argyll from Duncan Campbell of Duntrune.

[1] Zachary's younger brother was Duncan whose son, Neil MacCallum served in the French Navy and is said to have been the natural father of Louis-Joseph de Montcalm.

The same entry details the role of his son, Neill Malcolm or 13th of Poltalloch in driving clearances and evictions from his estates in Scotland.

[1] The Chief Malcolm family had an impressive reputation for military and naval success throughout the eighteenth and nineteenth centuries.

In addition to this, more than one of the chiefs of the clan has entered into the world of politics, the last of these being Sir Ian Malcolm, who was a Member of Parliament until 1919.

1941) and Stephen McCallum, Adelaide-born labour organiser and prominent operating figure within the Socialist Left faction of the Australian Labor Party in South Australia and Tasmania.

The beginning of the modern West Highland White Terrier breed is attributed to Colonel Malcolm of Poltalloch, Scotland in Argyllshire in the late 1800s.