Ierdale

[Cas (stallc)]

This looks like her birth reg

ROBERTSON, JOAN    mmn   KILGOUR 
GRO Reference: 1879  J Quarter in SOUTH SHIELDS  Volume 10A  Page 758

Don't know if info correct
https://www.ancestry.co.uk/family-tree/person/tree/748490/person/242257068351/facts

Maybe she was result of an affair..or they adopted Isaac?

Cas

[Cas (stallc)]

Possible death to fit with age.

Deaths Mar  Q 1934   
Brown    Isaac   age  74    Newcastle T.  10b 81   

Cas

Just to add

Newcastle Upon Tyne Electrol registers
Register of Electors (Central) 1934

30 Derby Street - at same address

Sarah Snaith
Thomas Donaldson
Isaac Brown

So death date is likely as electrol registration is taken previous year.

Cas

[aidansrest]

Fantastic work Cas!! Still waiting for certificate  but I think it'll just confirm what you have already found.

Many, many thanks

Sue

[aidansrest]

Certificate arrived!!
Sarah's father was Isaac Brown - a miner!

Well done all!

Sue