I don't have much info but will give you what I have found:
Thomas WIlliam Muise s/o Samuel Muise/Sylvia Saulnier- married 1/Feb/1915 at St. Ambrose Church, Yarmouth, N.S.
He was listed as age 21 yrs.
Frances Deveau age 18 yrs d/o Benjamin Deveau/Charlotte Boudreau
The only children's bapt. I could find are as follows:
(1) Mary Ivitte (Yvette) Muise b. 15/Apr/1915
[she died: 11/May/1933 age 18 yrs, single. She is listed as Ivy May Muise. Father Thomas Muise b. Yarmouth and mother listed as Frances Deveau b. Pinkney's Point, Yar.Co., N.S.
Buried at St. Ambrose Cemetery, Yarmouth, N.S.
(2) John Irven Thomas Muise b. 30/Apr/1917 s/o Thomas Wm. Muise and Frances Jane Deveau.
(3) William Muise b. 3/July/1918 s/o Thomas Muise & Frances Deveau [married 12/June/1939 to Eleanor LeBlanc] I checked the wedding and found listed : Bradford William Muise married Marie Eleanor LeBlanc dau. Alexander LeBlanc/Marie Alma Deveau.
Cemetery records showed the following:
Thomas W. Muise 1894 - 1965
Frances J. 1897-1985 wife of Thomas W. Muise
Hope this is of some help, let me know. I will check the grandfather side and see what I can find.