There is a memorial at the Eastern Cemetery in Edinburgh and although the picture available on the web is not that clear, the names are arranged in date of death order. There appears to be a Jackson of the 1st Bat.Welch Regiment in 1923
Last name Jackson
Age 40
Birth year 1872
Birth town Edinburgh
Birth county Midlothian
Birth country Scotland
Service number 3850
Regiment Welsh Regiment
Unit / Battalion 1st Battalion
Year 1912
Residence town Edinburgh
Residence county Midlothian
Residence country Scotland
Series WO 363
Series description Wo 363 - First World War Service Records 'Burnt Documents'
Archive
The National Archives
Record set British Army Service Records
Category Military, armed forces & conflict
Subcategory First World War
Collections from Great Britain, UK None
There was an illegitimate birth 13 February 1871 to Catherine Jackson, Domestic Servant, of a James Campbell Jackson. No father named, as was the case on the death certificate.