Here is the time line for my grandmother:
I know that she got divorced from my late grandfather sometime after I was born. So 1972 is a guess.
But I noticed this additional information of the 1939 Register:
Next to Manor Farm Cottage it has extra writing:
CR283 19-10-76 WL
I don't know what this reference means. I wondered if this was the date of her divorce? I come to this assumption because her surname was also crossed out and her maiden surname of Weeks inserted.
I stumbled over the Lost Cousins 1939 Register Special Newsletter where it states towards the bottom:
CR283 is a form that is used when there is a Change of Surname, Forename, or Date of Birth (most changes will be surname changes, of course).
So either this date is when the event happened, or it is the date that the change was document. Eitherway, her divorce must have been around this date. Or is it the actual date?
I now notice this in the same linked article, albeit about marriage changes:
This means that where a date is shown all you can conclude is that the event must have happened prior ...