Look at your own profile page. On the upper right there is a 'lock' in a colored circle. Above that in small print there are five options in small print. Your wikitree id is Watson-12161 and you should see it there. On all profile pages, that is where you can find the WikiTree ID.
This might be Iva is the census:
SOURCE: Canada Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KH2K-5CF), Iva Toal in household of William Toal, E, Elgin (west/ouest), Ontario, Canada; citing p. 9, Library and Archives of Canada, Ottawa.
William Toal Head M 30 Ontario
Elvina R Toal Wife F 27 Ontario
John F Toal Son M 3/12 Ontario
Iva Toal Dau F 4 Ontario
William Toal Son M 3 Ontario
This looks like her parent and grandparents:
Ontario Marriages, 1869-1927," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FMK8-NJD), William Toole and Alvira R Forsyth, 20 Dec 1895; citing registration , Thedford, Lambton, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 1,870,709.
Name William Toole
Male Age 24 Birth (Est) 1871
Father Nelson Toole Mother Mary Ann Toole
Marriage 20 Dec 1895 Thedford, Lambton, Ontario, Canada
Spouse Alvira R Forsyth
Female Age 23 Birth (Est) 1872
Father George Forsyth Mother Ann Jane Forsyth
IMAGE AT: https://familysearch.org/ark:/61903/3:1:9Q97-Y39B-Z6K?mode=g&i=207&wc=3N7B-JWL%3A1584309303%2C1584320101%2C1584320102%3Fcc%3D1784216&cc=1784216
Births of Iva's siblings is below, I couldn't find hers:
This doesn't answer your question, but it does list her parents.
SOURCE: Ontario Marriages, 1869-1927, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK9S-VDYW), Neil Harold Watson and Iva Laurell Toole, 21 Jan 1918; citing registration , London, Middlesex, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 2,148,998.
Name Neil Harold Watson
Male Age 25 Birth (Est) 1893
Father Angus Watson Mother Amelia Hamil
Marriage 21 Jan 1918 London, Middlesex, Ontario, Canada
Spouse Iva Laurell Toole
Female Age 21 Birth (Est) 1897
Father Wm Toole Mother Elvira Forsythe
Findagrave entry for Neal Watson Find A Grave Memorial# 50261149
Census data for Neil and parents on this page