What is Tamsin short for?
In old records, Tamsin is usually short for Thomasina. It is one of the classic diminutives worth recognizing on sight. You will find it in English and Welsh records, chiefly 1600s-1900s. The Tamsin-to-Thomasina jump is easy to miss, so it is worth searching both when you hit a dead end.
Loading tool…
Not sure Tamsin is a nickname at all? Get the straight verdict.
The finder above is preloaded with this name. Search any other nickname or formal name to trace a variant, or open the full nickname finder.
FAQs
Does Tamsin always mean Thomasina?+
Tamsin most often stands for Thomasina, but spellings and pet names varied by family and region - always confirm against the actual record.
How does this nickname lookup work?+
It searches a curated dataset of historical nickname-to-formal-name mappings - in both directions - entirely in your browser. Nothing you type is uploaded or stored on our servers.
Start with one relative and see what comes back.
Add what you remember and AncestorIQ searches for the rest. Free to build your tree for as long as you like.
No credit card needed. Your tree stays yours.
