Henri Joncas b: 1857 according to
1900 United States Federal Census
1910 United States Federal Census
1920 United States Federal Census
In 1879 Henri Joncas married Leocadie Oulette 1856-1944
St-Octave-de-M?tis, Qu?bec
Henri Joncas died on the 13 August 1937 at Hennepin, Minnesota
Source:- Minnesota Death Index, 1908-2002

Leocadi OUELLET was born in Quebec in 1856
Sources:-
1900 United States Federal Census
1910 United States Federal Census
1920 United States Federal Census
Minnesota Death Index, 1908-2002
and died 2 May 1944 at Crow Wing Minnesota
Source:- Minnesota Death Index, 1908-2002
Both arrived in America in 1844

There children were:-
Marie C Joncas 1879 ? 1956 Joseph A Joncas 1881 ?
Georgiana E Joncas 1882 ? Henry Anthony Joncas 1883 ?
Rosanna Joncas 1884 ? 1953 Phill Alfred Joncas 1886 ? 1972
Lorilda Joncas 1888 ? 1917 Bertha Joncas 1890 ? 1978
Eugene Joseph Joncas 1894 ? Emma R Joncas 1897 ? 1988
Beatrice Joncas 1897 ?

Sorry I don't know the parents of this couple

Amazon Books have a history on sale called 'The ouellet name in History'

The website distantcousin.com gives the history of both the Joncas and Ouellet
http://distantcousin.com/SurnameResources/Surname.asp?Surname=Joncas

Thank you very much. These informaions are a part of these I Own.

L?ocadie Ouellet, daughter of Antoine Ouellet and e L?ocadie Raymond,

Henri Joncas and Leocadie Ouellet married on 3 september 1878 ? Saint-Octave-de-Mitis. Source: Register of this parish.

I have copies of official acts for this marriage and for the four children bon in Quebec.
Henri and Leocadie and the four children born in Quebec province migrate to USA in 1884 Source: 1900 census.