Marianna O'Gallagher

Marianna O'Gallagher, (March 24, 1929 – May 24, 2010) was a Canadian historian from Quebec City. A former member of the Sisters of Charity of Halifax, she wrote extensively on the history of the Irish in Quebec City, was involved in the creation of Grosse Isle National Historic Site and the revival of the Quebec City Saint Patrick's Day celebrations.

Biography On the cross designed by her grandfather, O'Gallagher commented: "He drew the design on the wall of the kitchen at 13 Conroy St. in Quebec City. My father said as more and more money came in, the monument grew in size and stature on the wall." O'Gallagher was born in Sainte-Foy, Quebec, in 1929, one of six siblings born to Norma (née O'Neil) and Dermot O'Gallagher, both Irish-Canadians; her father was a land surveyor and previous mayor of the city (now merged into Quebec City). Her thesis was about Quebec City's St. Patrick's Church,