Ja
- Louis-Thomas Jacau de Fiedmont - verified
- David Russell Jack - verified
- Isaac Allen Jack - verified
- William Brydone Jack - verified
- Arthur Jackman - verified
- Edward Michael Jackman - verified
- William Jackman - verified
- Edward Jackson (manufacturer) [1] - verified
- James Jackson (clergyman) - verified
- John Jackson (clergyman)
- John Mills Jackson - verified
- Sir Richard Downes Jackson - verified
- Edwin Jacob (clergyman) [2] - verified
- Étienne Jacob - verified
- Otto Reinhold Jacobi - verified
- Ferdinand Jacobs - verified
- Samuel Jacobs (merchant) [3]
- Solomon Jacobs - verified
- Françoise-Marie Jacquelin - verified
- John Jacques (furniture manufacturer) [4] - verified
- François Jacquet
- Adolphe Jacquies - verified
- Jean Jacquiés
- Nicolas Jacquin
- Joseph-André-Mathurin Jacrau - verified
- Antoine Jacson - verified
- Charles Newland Godfrey Jadis - verified
- Robert Jaffray - verified
- John Jago - verified
- Macé Jalobert
- Philip James (minister) [5]
- Thomas James (sea captain) - verified
- Richard Willis Jameson - verified
- Robert Sympson Jameson - verified
- Denis Jamet - verified
- John Jamet
- Jean-François Jamot - verified
- Dominique Janson
- Frédéric Janssoone - verified
- John Janvrin - verified
- Robert Jardine (railway promoter) [6] - verified
- Marie-Madeleine Jarret de Verchères - verified
- Pierre Jarret de Verchères - verified
- Edward Jarvis - verified
- Edward James Jarvis - verified
- George Stephen Benjamin Jarvis - verified
- Munson Jarvis - verified
- Samuel Peters Jarvis - verified
- William Jarvis (Upper Canada official) [7] - verified
- William Botsford Jarvis - verified
- Valentin Jautard - verified
- John Jay (merchant)
Je
- Étienne Jeanneau - verified
- Guillaume Jeanson - verified
- Jean Jeantot - verified
- Sir Joshua Jebb - verified
- Wellington Jeffers - verified
- Joseph Jeffery - verified
- Thomas Nickleson Jeffery - verified
- Frantz Jehin-Prume - verified
- John Jenkins (clergyman)
- Stephen Rice Jenkins - verified
- William Jenkins (clergyman)
- Amelia Clotilda Jennings - verified
- Emily Howard Jennings - verified - see also Emily Stowe
- John Jennings (clergyman) - verified
- William Tyndale Jennings
- Catherine Jérémie
- Nicolas Jérémie
- Noël Jérémie
- Sir William Francis Drummond Jervois - verified
- Dettlieb Christopher Jessen - verified
- John Jessop
- Edward Jessup - verified
- Sir Louis-Amable Jetté - verified
- John Rodgers Jewitt - verified
Jo
- Joannès de Chacornacle
- Thomas Bulley Job - verified
- André Jobin - verified
- Louis Jobin
- Joe (slave)
- Sylvester Joe - verified
- Isaac Jogues - verified
- Noel John
- Andrew Hay Johnson
- Emily Pauline Johnson - verified
- George Johnson (Puritan)
- George Henry Martin Johnson - verified
- Guy Johnson - verified
- John Smoke Johnson - verified
- John Mercer Johnson - verified
- Louisa Ann Johnson
- Lulu Mae Johnson - verified
- Richard Johnson - added to Richard Johnson dab page
- Sir Francis Godschall Johnson - verified
- Sir John Johnson (Loyalist) - verified
- Sir William Johnson - verified
- Theresa Mary Johnson
- William Johnson (1842-1912)
- William Arthur Johnson
- Alexander Johnston (judge)
- Ebenezer Forsyth Blackie Johnston
- George Moir Johnston
- Hugh Johnston (1756-1829) - verified
- Hugh Johnston (1790-1850) - verified
- James Johnston (1724-1800) - verified
- James Johnston (d. 1849) - verified
- James Finlay Weir Johnston - verified
- James Robinson Johnston - verified
- James William Johnston - verified
- John Johnston (fur trader) - verified
- William Johnston (1782-1870)
- William Johnston (1848-85)
- William Johnston (d. 1828)
- Wyatt Galt Johnston
- James Johnstone, Chevalier de Johnstone
- Walter Johnstone
- Barthélemy Joliette - verified
- Jean-Baptiste Jolliet de Mingan
- Louis Jolliet - verified
- Sir Henri-Gustave Joly de Lotbinière - verified
- Louis-Zéphirin Joncas - verified
- Alfred Gilpin Jones - verified
- Augustus Jones - verified
- Caleb Jones - see R v Jones (New Brunswick)
- Charles Jones (Loyalist) - verified
- David Allanson Jones
- David Thomas Jones (missionary)
- Ephraim Jones - verified
- Henry Jones (1776-1852)
- Henry Jones (fl. 1725-50)
- James Jones (clergyman)
- John Jones (1737-1800)
- John Jones (1798-1847)
- John Jones (d. 1818) - verified
- John Jones (d. 1823)
- Jonas Jones - verified
- Oliver Jones (businessman) - verified
- Peter Jones (Ojibwa) - verified
- Peter Edmund Jones - verified
- Robert Jones (1778-1859)
- Sir Lyman Melvin Jones - verified
- Solomon Jones - verified
- Thomas Mercer Jones - verified
- Thomas Rosenell Jones
- Jacob Jordan - verified
- Abraham Joseph
- Henry Joseph
- Jacob Henry Joseph
- John Joseph (public servant) [8]
- Judah George Joseph
- Charles Jourdain
- Paul-Raymond Jourdain
- Louise-Élisabeth de Joybert de Soulanges et de Marson
- Pierre de Joybert de Soulanges et de Marson - verified
Ju
- Denis-Joseph Juchereau de la Ferté
- Jean Juchereau de la Ferté
- Jeanne-Françoise Juchereau de la Ferté
- Jean Juchereau de Maur
- Paul-Augustin Juchereau de Maur
- Charlotte-Françoise Juchereau de Saint-Denis, Comtesse de Saint-Laurent
- Louis Juchereau de Saint-Denis- verified
- Nicolas Juchereau de Saint-Denis
- Charles Juchereau de Saint-Denys
- Noël Juchereau des Chatelets - verified
- Antoine Juchereau Duchesnay - verified
- Antoine-Louis Juchereau Duchesnay - verified
- Elzéar-Henri Juchereau Duchesnay - verified
- Henri-Jules Juchereau Duchesnay - verified
- Ignace Juchereau Duchesnay
- Jean-Baptiste Juchereau Duchesnay - verified
- Marie-Joseph Juchereau Duchesnay
- Michel-Louis Juchereau Duchesnay - verified
- Joseph Beete Jukes - verified
- Henri Julien - verified
- John Julien (Micmac chief) [9]
- Félix-Emmanuel Juneau
- Laurent-Salomon Juneau - verified
- Alfred Fredman Jury