Marie Edme Patrice Maurice de MacMahon, marquis de MacMahon, duc de Magenta (13 June 1808 – 17 October 1893), was a French general and politician who served as President of France from 1873 to 1879.

Aline Laveen MacMahon (May 3, 1899 – October 12, 1991) was an American actress.

(26 September 1854 – 25 December 1929) an English mathematician, especially noted in connection with the partitions of numbers and enumerative combinatorics.