Namesakes
Ernest Courtot de Cissey
(middle name Octave) (m) 1810-1882 
French Presidents and Prime Ministers 1874-1875 (prime minister)
Octave Mirbeau
(m) 1848-1917
Notable Writers
Pierre de Witasse
(middle name Octave) (m) 1878-1956
Other Leaders 1944-1948 Monaco (prime minister)
Raymond Barre
(middle name Octave) (m) 1924-2007
French Presidents and Prime Ministers 1976-1981 (prime minister)