Sir James Michael Gallagher (1860–1925) was an Irish businessman who was Lord Mayor of Dublin for two terms.
Gallagher was elected to serve two consecutive terms as Lord Mayor of Dublin as an Independent between 1915 and 1917.
[5] In July 1916, he travelled to London to petition the British government for assistance in rebuilding Dublin and for workable town planning regulations.
[6] From London, Gallagher proceeded to Paris to visit the Exposition de la Cité Réconstitutée – an urban planning exhibition of plans for rebuilding areas in France and Belgium destroyed during the First World War.
At the quarterly meeting of the Dublin Corporation in October 1916 Lord Mayor Gallagher made a lengthy statement defending the corporation's management of the city in reference to criticisms of the administration by The Irish Times.