Tinmouth Family History
Tinmouth Surname Meaning
from Tynemouth (Northumb) which is recorded as Tinemuthe in about 1125. The place-takes its name from the river Tyne (a British river-name related to the Indo-European root *tei- *ti- ‘melt flow’)
+ Old English mūða ‘mouth of a large river estuary’.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
