The Tremblay is one the family for which you will find the largest number of marriages between people of the same surnames, that are all related.

Like if that was not enough there is also quite many of them were 3 out 4 parents are all Tremblay.... but all 4, that tops it all...!!!

Following is a very small exemple of it...lol

[1]
Adélard Tremblay (Vézina & Sarah Tremblay - m.1878)
- m.1905-10-17 N-D-de-l'Assomption-de-la-S.V., Les Eboulements, Charlevoix-Ouest, Qc
Amélia Tremblay (Méridée & Adélaïde Tremblay - m.1870)
* siblings of both m.[5]

[2]
Aimé Tremblay (Alphonse & Adélaïde Tremblay - see m.[4])
- m.1955-01-25 Christ-Roi, Sault-au-Mouton, Saguenay, Qc
Gisèle Tremblay (Joseph & Laurette Tremblay - 2 couples with those exact same names married a year apart 1935 & 1936)

[3]
Alcide Tremblay (Charles & Lina Tremblay - m.?)
- m.1945-10-30 Ste-Thérèse-de-l'Enfant-Jésus, Colombier, Saguenay, Qc
Jeanne-d'Arc Tremblay (Georges & Marie-Louise Tremblay - m.1925)

[4]
Alphonse Tremblay (François & Marie Tremblay - too many to be sure which one)
- m.1898-09-05 St-Paul, St-Paul-du-Nord, Saguenay, Qc
Adélaïde Tremblay (Martin & Adélaïde Tremblay - m.?)

[5]
Alphonse Tremblay (Vézina & Sarah Tremblay - m.1878)
- m.1918-09-09 N-D-de-l'Assomption-de-la-S.V., Les Eboulements, Charlevoix-Ouest, Qc
Eva Tremblay (Méridée & Adélaïde Tremblay - m.1870)
* siblings of both m.[1]

[6]
Anatole Tremblay (Napoléon & Flavine Tremblay - m.1917)
- m.1945-06-20 Ste-Thérèse-de-l'Enfant-Jésus, Colombier, Saguenay, Qc
Gisèle Tremblay (Joseph-Marcel & Yvonne Tremblay - unsure which one)

[7]
André Tremblay (Gérard & Gertrude Tremblay - m.1940)
- m.aft.1955 Charlevoix-Ouest county, Qc
Murielle Tremblay (Paul & Albertine Tremblay - m.1932)

[8]
Arthur Tremblay (Joseph & Delphine Tremblay - m.1889)
- m.1925-09-01 St-Fidèle, St-Fidèle-de-Mont-Murray, Charlevoix-Est, Qc
Alba Tremblay (Xavier & Herméline Tremblay - m.1884)

[9]
Arthur Tremblay (Henri & Marie Tremblay - too many)
- m.1925-04-20 St-Félicien, St-Félicien, Lac-St-Jean-Ouest, Qc
Albertine Tremblay (Johnny & Annonciata Tremblay - m.1889)

[10]
Arthur Tremblay (Joseph & Blanche Tremblay - prob.m.1923) remarried see m.[11]
- m.1945-05-12 N-D-de-l'Assomption-de-la-S.V., Les Eboulements, Charlevoix-Ouest, Qc
Henriette Tremblay (Armand & Rose Tremblay - m.?)

[11]
Arthur Tremblay (Joseph & Blanche Tremblay) widower of Henriette Tremblay see m.[10]
- m.aft.1955 Montmorency county, Qc
Marie-Jeanne Tremblay (Arthur & Alda Tremblay - see m.[8]) widow of Paul-Emile Tremblay

[12]
Benoît Tremblay (Emile & Marie-Louise Tremblay - unsure which one)
- m.aft.1955 Charlevoix-Ouest county, Qc
Fernande Tremblay (Thomas & Adèle Tremblay - m.1922)

[13]
Bertrand Tremblay (William & Blanche Tremblay - 3 couples with exact same names married a year apart, 1 in 1919 & 2 in 1920)
- m.1955-09-17 St-Luc, Chicoutimi, Chicoutimi co., Qc
Carmen Tremblay (René & Desneiges Tremblay - m.1929)

[14]
Charles Tremblay (Arthur & Eva Tremblay - prob.m.1898)
- m.1943-12-23 St-Joseph, St-Joseph-de-la-Rive, Charlevoix-Ouest, Qc
Thérèse Tremblay (Oscar & Sylvianne Tremblay - m.1920)

[15]
Charles-Antoine Tremblay (Adélard & Amélie Tremblay - see m.[1])
- m.1939-01-04 N-D-de-l'Assomption-de-la-S.V., Les Eboulements, Charlevoix-Ouest, Qc
Marie-Annette Tremblay (Charles & Alma Tremblay - prob.m.1894)

[16]
Charles Henri Tremblay (Henri & Arthémise Tremblay - prob.m.1903)
- m.1945-06-02 Sacré-Coeur-de-Jésus, Chicoutimi, Chicoutimi, Qc
Lucienne Tremblay (Henri & Laurette Tremblay - m.1918)