Birth Certificate for Christianna is on file.  Vital Statistics index for births, 1871 on file.
Ontario, Canada Births, 1869-1907 Record info about Christianna Haws
Name: Christianna Haws Date of Birth: 28 Apr 1871 Gender: Female Birth County: Wellington Father's Name: Horace Haws Mother's Name: Anne Redmond Roll Number: MS929_4

Her name is spelled Christina on Grampa and Uncle Wallace's birth registrations.

A picture of her tomb stone is on file.

The 1901 census lists her name as Tena and the date of birth to be 1872.