The Regional: Europe: United Kingdom: Society and Culture: Genealogy: Surnames: (J Surnames )

J Surnames Genealogy Society and Culture United Kingdom Europe Regional.

The letter 'J' originated as a swash letter i, used for the letter 'i' at the end of Roman numerals when following another 'i', as in 'xxiij' instead of 'xxiii' for the Roman numeral representing 23. (wikipedia)