Note her age and birth date are incomsistant in the records. Since she is listed as 8, not 3 in her first census and she lists her birthday as December 2 in the 1891 census and she is recorded in the October to December 1852 birth index - it would seem likely her birth date is December 2 1852.]

In the October to December 1852 birth index Catherine Baldock, Bingham district, Nottinghamshire, volume 7b, page 288

In the 1861 census Private House, Cropwell Butler, Nottinghamshire
Head Joseph Baldock, age 58, farmer of 200 acres employing 5 men and 3 boys, born Gamston, Nottinghamshire
Wife Hannah Baldock, age 41, born Ruskington, Lincolnshire
Som William H. Baldock, unmarried, age 31, farmer’s son and maltster, born Cropwell Butler
Daughter Sarah Baldock, unmarried, age 23, farmer’s daughter, born Cropwell Butler
Daughter Mary Baldock, age 16, farmer’s daughter, born Cropwell Butler
Daughter Catherine Baldock, age 8, scholar, born Cropwell Butler
Daughter Eliza Jane Baldock, age 5, scholar, born Cropwell Butler
1 visitor, 4 servants including 2 carters a dairy maid and a milk boy
[William , Sarah and Mary must be from a previous marriage]

British Columbia Death Index
Catherine Sudbury died march 17 1923, Vancouver, age 69

In the 1861 census The Brewery, Aughton, Lancashire
Head Edward Sudbury, age 40, surveyor, born Egmanton, Nottinghamshire
Wife Hannah Sudbury, age 38, born Rainford, Lancashire
Son James P. Sudbury, age 8, born Kneesall, Nottinghamshire
Son William Sudbury, age 7, born Omkirk, Lancashire
Son Samuel Sudbury, age 6, born Omskirk
Son Edward Sudbury, age 4, born Aughton, Lancashire
2 house servants.

In the 1871 census Prescott Road
Head Hannah Sudbury, widow, age 49, brewer and maltster, born Prescot, Lancashire
Son James P. Sudbury,unmarried, age 18, cotton broker (apprentice), born Kneesall, Lancashire
Uncle Samuel Pye, unmarried, age 78, formerly agricultural labourer, born Rainsford, Lancashire
Sister Mary Pye, unmarried, age 42, annuitant, born Prescot
Son William Sudbury, age 17, clerk, born Omskirk, Lancashire
2 domestic servants

In the 1881 census Thraves’ Lane, Cropwell Bishop, Nottinghamshire
Head Joseph Baldock, widower, age 78, retired farmer, born Garmston, Nottinghamshire
Daughter Mary Baldock, unmarried, age 30, born Cropwell Butler, Nottinghamshire
Daughter Catharine Sudbury, married, age 28, born Cropwell Butler
Son In Law James Pye Sudbury, married, age 28, brewer unemployed, born Kneesall, Nottinghamshire
Grand Daughter Jennie Kathleen Sudbury, age 3, born Cropwell Bishop

In the 1891 census of Canada Chambly, St. Lambert, Quebec
Head James P. Sudbury, age 39, born England, parents born England, Church of England, Insurance Manager
Wife Kathrine Sudbury, age 31 [doesn’t match the 1881 census], born England, parents born England
Lodger Eliza Jane Baldock, age 25, born England, parents born England
Daughter Jennie K Sudbury, age 13, born England
Son Edward B. Sudbury, age 10, born England
Son Wilfred James Sudbury, age 7, born Quebec
Daughter Hilda M. G. Sudbury, age 4, born Quebec

In the 1901 census of Canada Chambly and Vercheres, Saint-Lambert, Quebec
Head John P. Sudbury, born April 23 1852, England, age 48, immigrated 1882, insurance agent
Wife Catherine Sudbury, born December 2 1858, England, age 42, immigrated 1882
Son Wilfred J. Sudbury born April 19 1883, Quebec Province, age 17
Daughter Mildred Sudbury, born November 9 1894, Quebec Province, age 6
Daughter Sybil Sudbury, born January 10 1892, Quebec Province, age 9

Findagrave.com
James Pye Sudbury
Born April 23 1852, Kneesall, Nottinghamshire, England
Died August 23 1911, Vancouver, British Columbia Canada
Buried Mountain View Cemetery, Vancouver