Scotland's People has the birth index of an Elspeth Welsh B Orr, 1919, St Giles R.D.
Having a few credits which will soon pass their "use by date" I had a peep at her birth certificate.
Saint Giles
Elspeth Welsh Brown Orr, born 5 Jun 1919, 10.15 pm, address 38 Fountain Bridge.
Father George Peter Orr, Distillery Labourer, mother Lizzie Welsh Orr, maiden name Brown
Date of marriage 19 Jul 1918 Edinburgh