Hi Paul
Thomas Street, Garston, was off King Street. It is on the Speke and Garston Dock's plan of 1905 from Alan Godfrey Maps.
If you find King Street on Google Maps it was roughly where Thomas Close is now. The whole north side of King Street has been redeveloped. There was a road called Dale Street fanning out from the gas works with small rows of terraces linking it with King Street. Thomas Street had 10 houses on one side and 12 on the other.
Carole...Garston didn't join Liverpool until 1902 so it will not be on the Liverpool CDs.
Ken