Thornton-in-Lonsdale is a village and civil parish in the District of Craven and ceremonial county of North Yorkshire in England. (https://en.wikipedia.org/wiki/Thornton_in_Lonsdale)
There are a couple entries for Thornton In Lonsdale in the GB data.
One is for the civil parish. Please note this has the correct spelling:
7291827 Thornton in Lonsdale Thornton in Lonsdale 54.18697 -2.46731 A ADM4 GB ENG J7 36UB 36UB070 0 312 Europe/London 2010-05-25
The corresponding village entry below is incorrectly listed as "Thornton in Lionsdale":
9538868 Thornton In Lionsdale Thornton In Lionsdale 54.15655 -2.4839 P PPL GB ENG J7 36UB 36UB070 0 130 Europe/London 2014-09-13