Georgia, I found the following in the QC DEATH INDEX (1926-1996): GRACE McLEISH, b. 1867.02.09, d. 1950.11.16 while residing in Montréal. Civil status not mentioned but a VIBERT is listed as her mate. No further info included.
CHARLES VIBERT, b. 1867.08.08, d. 1951.11.28 while residing in Montréal, QC. No wife nor parents listed but since his DOB is close to that of GRACE McLEISH, I think he may have been her husband.
ISABEL GRACE VIBERT, b. 1899.02.12, d. 1984.08.23 while residing in Bedford, Missisquoi County, QC. Civil Status: single. Parents listed as UNKNOWN but since her second name is GRACE, we may presume she was the d/o GRACE McLEISH+CHARLES VIBERT.
SYBIL VIBERT, b. 1895.03.27, d. 1978.09.05 whie residing in Lachenaie, L'Assomption County, QC. Widow of FRASER (no first name listed). Father listed as VIBERT (no first name nor initial) & no mother listed.
Couldn't find ARTHUR VIBERT within the proper dates. Hope this info helps you out a bit.