She died in 1935 in Dumfries, Scotland.
If you purchase some credits you can view a copy of her death certificate. Lilian Newnham died 20/11/1935 at Crichton Royal Instn., Dumfries. Usual residence given as 4 Newhouse Road, Esh Winning, Co. Durham - shown as single, aged 56, Secretary. Scottish death certificates show parents names and this confirms that this is your Lilian.
Annette