What is the nationaliy of the name BACK?
English. It is an old English name, uncommon but dating back to
7th century England. It sometimes is also spelled as 'Backs' or
'Bax'. In the version with the s (-sound) at the end it originally
means 'son of Bacca', while Back itself simply means Bacca. Bacca
was basically a nickname, developed from the ancient English word
Baec, meaning someone with a prominent facial feature, like the
chin or nose.