His younger brothers were John Mackie who served as Labour MP and George Yull Mackie who became a Liberal MP, both subsequently entering the House of Lords.
Maitland | Maitland, New South Wales | Frederic William Maitland | Maitland Club | Bob Mackie | The Silence of Dean Maitland | John Maitland, 1st Duke of Lauderdale | John Alexander Fuller Maitland | Chris Maitland | George Mackie, Baron Mackie of Benshie | Brown Mackie College | Anthony Mackie | Roman Catholic Diocese of Maitland-Newcastle | Peregrine Maitland | Maitland River | Lester J. Maitland | Howard Mackie | William Mackie | Thomas Maitland Cleland | Thomas Maitland | Sara Maitland | Port Maitland, Nova Scotia | Marne Maitland | John Maitland, 1st Earl of Lauderdale | James Maitland, 8th Earl of Lauderdale | James Maitland, 7th Earl of Lauderdale | George Mackie | Edward Maitland | Thomas T. Mackie | Thomas Rockwell Mackie |