Prussian.
In German, it means door.
Die Tür = The door.
Also the name of a city, now in Poland. Tur.
Was Prussia, then Germany, now Poland.
Lots of people have the name of the town their ancestors hailed from.
Viel danke.
Belfast :)
“Lots of people have the name of the town their ancestors hailed from.”
I suppose it could be a German name, but it is more likely Spanish or Jewish:
http://www.ancestry.com/name-origin?surname=tur
I checked a few German name lists and it doesn’t appear.