Hi Carole63,
A little info to start you off:
This looks like your grandparents marriage:
Marriages Dec Q 1919
Bowron Mabel O'Toole Stockton 10a 162
O'Toole John Bowron Stockton 10a 162
It would appear that they had 10 children born between 1920-1937 all in Stockton (your dad being child number eight)
All this info can be found using this website:
https://www.freebmd.org.uk/cgi/search.plThere is a Mabel O'Toole (birth year 1896) death registered in 1979 in Cleveland Yorkshire
and this birth registration (year of birth matches year of birth on death reg for Mabel O'Toole):
Births Sep Q 1896
Bowron Mabel (mother's maiden name Robins) Stockton 10a 50
This looks like Mabel Bowron 's baptism:
Mabel Bowron
Name Mabel Bowron
Residence Place Stockton-on-Tees, Durham, England
Christening Date 01 Jul 1896
Place St. Thomas', Stockton-on-Tees, Durham, England
Birth Date 11 Jun 1896
Father's Name Thomas William Bowron
Mother's Name Rebecca
Marriage for Thomas and Rebecca:
Marriages Sep 1871
Bowron Thomas William Stockton 10a 109
Robins Rebecca Stockton 10a 109
1901 census link for the family (Mabel recorded as Mable (if you click onto the name Mable Bowron the full record will appear):
https://tinyurl.com/yamcrkc8This info is from this website:
https://www.familysearch.org/searchYou can use now use this website and the one posted above to see if you can work back through the years to find more on/of your ancestors).