My Family Tree

Child's Full Name Mary Sulivan
Baptismal Date 1831
Officiating Clergy McGregor
Father's Name Thos Sulivan
Mother's Name Ann Ramsay
Church Name Richmond Parish Presbyterian

Mary Sullivan married Arthur Dogherty March 30 1847 (Climbing the Hill, page 132)

The Islander – Apr 2, 1847
Married.
On the 30th instant, at St. James’s Church, Port Hill, by the same, Mr. Arthur Dougherty, to Mary, daughter of Mr. Thomas Sullivan, all of Lot 13.

On her death record, her parents were Thomas and Catherine Sullivan - note that growing up away from family on the Island, her children may not have known much about their grandparents..

Mary and Arthur were in Bruce South Ontario in 1871 and 1881:

Name Mary Daugherty
Gender Female
Age 51y
Birth Year 1830
Birthplace Prince Edward Island
Marital Status Married
Ethnicity Irish
Religion Ch. Eng.
Head of Household Name Arthur Daugherty
Event Place Greenock, Bruce South, Ontario, Canada
District Number 176
Sub-District G
Division 1
Family Number 236
Affiliate Film Number C-13275
Arthur Daugherty M 67y Ireland
Mary Daugherty F 51y Prince Edward Island
Allis Daugherty F 20y Ontario
Sara Daugherty F 17y Ontario
Mary Daugherty F 9y Ontario
James Daugherty M 14y Ontario
Robart Daugherty M 12y Ontario
Citing this Record "Canada Census, 1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVN3-59M : 30 June 2017), Greenock, Bruce South, Ontario, Canada; citing p. 51; Library and Archives Canada film number C-13275, Library and Archives Canada, Ottawa, Ontario; FHL microfilm 1,375,911.