Leitch, Gillian I. “Irish Catholic Leadership in Nineteenth Century Montreal: Research Notes.” Cahiers d’histoire Vol. 23, no. 1 (Automne 2003): 23–36.

Leitch, Gillian I. “The Importance of Being English?: Identity and Social Organisation in British Montreal, 1800-1850.” PhD dissertation, Université de Montréal, 2007. https://papyrus.bib.umontreal.ca/xmlui/bitstream/handle/1866/17918/Leitch_Gillian_I_2006_these.pdf?sequence=1&isAllowed=y.

Leitch, Gillian I. “The Reford Family of Montreal.” Journal of the St Andrew’s Society of Montreal, January 2012. https://www.standrews.qc.ca/uploads/2/6/6/1/26611389/thejournal-jan2012.pdf.

Leitch, Gillian I. “Community and Identity in Nineteenth Century Montreal: The Founding of Saint Patrick’s Church.” Master’s Thesis, University of Ottawa, 1999. https://ruor.uottawa.ca/bitstream/10393/8815/1/MQ45236.PDF.

Leitch, Gillian I. “The Scots in Montreal and Their Quest to Stay Scottish.” In Montreal-Glasgow, edited by Bill Marshall, 67–77. Glasgow, Scotland: University of Glasgow French and German Publications, 2005.

Leitch, Gillian I. “Entre les tensions et les groupes de pression : les Britanniques de Montréal au temps des rébellions.” In De la représentation à la manifestation: Groupes de pression et enjeux politiques au Québec, XIXe et XXe siècles, edited by Stéphane Savard and Jérôme Boivin, 276–291. Québec: Septentrion, 2014.

Leitch, Gillian I. “Scottish Identity and British Loyalty in Early-Nineteenth Century Montreal.” In Kingdom of the Mind: How the Scots Helped Make Canada, edited by Peter E. Rider and Heather McNabb, 211–226. Montreal and Kingston: McGill-Queen’s University Press, 2006.

Leitch, Gillian I. “Claiming the Streets: Negotiating National Identities in Montreal’s Parades, 1840-1880.” In Celebrating Canada. Volume 1: Holidays, National Days and the Crafting of Identities, edited by Matthew Hayday and Raymond B. Blake, 29–53. Toronto, ON: University of Toronto Press, 2016.

Leitch, Gillian I. “‘The Irish Roman Catholics of Montreal in Body Assembled’: Ethnic Identity and Separate Worship in Nineteenth Century Montreal.” In Constructions Identitaires et Pratiques Sociales. Actes Du Colloque En Hommage à Pierre Savard Tenu à l’Université d’Ottawa Les 4, 5 et 6 Octobre 2000, edited by Jean-Pierre Wallot, Pierre Lanthier, and Hubert Watelet, 205–218. Ottawa: Presses de l’Université d’Ottawa/Centre de recherche en civilisation canadienne-française, 2002.

Leitch, Gillian I. “The Importance of Being English: English Ethnic Culture in Montreal, c.1800–1864.” In Locating the English Diaspora, 1500-2010, edited by Tanja Bueltmann, David T. Gleeson, and Donald M. MacRaild, 100–117. Liverpool, England: Liverpool University Press, 2012.