Thank you all once again.
I've found remarriage of Maria Reeks / Thomas in 1862

Year:1862Month:FebDay:23
Grooms_Surname:WHITE
Grooms_Forenames:Charles
Grooms_Age:29
Groom_Condition:Widower
Grooms_Occupation:Labourer
Grooms_Residence:Viney Hill
Grooms_Fathers_Surname:White
Grooms_Fathers_Forenames:George
Grooms_Fathers_Occupation:Farmer
Brides_Surname:THOMAS
Brides_Forenames:Maria
Brides_Age:30
Brides_Condition:Widow
Brides_Occupation:[not stated]
Brides_Residence:Viney Hill
Brides_Fathers_Surname:Reeks
Brides_Fathers_Forenames:Jacob
Brides_Fathers_Occupation:Labourer

I'm considering a similar situation with my paternal gg grandfather John Glossop who was illegitimate. His father's name not appearing on any certificates. May be Maria was unmarried when she had children. I have found a Maria Thomas with father James as follows :-

Year:1837Month:MayDay:7
Parents_Surname:THOMAS
Child_Forenames:Maria
Fathers_Forenames:James
Mothers_Forenames:Sarah
Mothers_Surname:
Residence:Tidenham
Occupation:Labourer
Officiating_Minister:Tho[mas] Thomas