[9] Jammet and his wife Yvonne (née Auger) ran the French Benevolent Society during the Second World War, and were staunch supporters of the Free French and Charles de Gaulle.

[11] In 1963 Egon Ronay visited, saying "Space, grace, the charm of small red leather armchairs, fin-de-siècle murals and marble oyster counters exude a bygone age.

[9] Virtually every Dublin and visiting celebrity ate at Jammet's at some point.

W. B. Yeats, Lennox Robinson, Liam O’Flaherty, Micheál MacLiammóir, Hilton Edwards and Charlie Haughey were regulars.

John Lennon, James Cagney, Rita Hayworth, Danny Kaye, Michael Collins, Aly Khan Orson Welles, and Senator John F. Kennedy and his wife Jackie also ate there.