is this their son John? If so, it lists his mother Jane's maiden name.
from ancestry's Ontario, Canada, Roman Catholic Baptisms, Marriages, and Burials
in Sacred Heart Church, Sault Ste Marie, Ontario, Parish Register
Baptisms
John Willis, born 17 March 1855, baptized 14 January 1905, a resident of Sault Ste Marie.
father: Caton Willis
mother: Jane Griffin
attached is a note in Latin which is in the last column of his entry.