there is an example quoted in www.manxnotebook.com/famhist/families/radclff.htm
His great grandson was the well-known schoolmaster of Andreas, William Radcliffe, whose patronymic "Billy-Harry-Jemmy-Jem-Hom-Voar-y Sundher", is a remarkable example of how the country people preserved the long records of their descent and incidentally proves the connection of the 'Voar' branch with the other Sundher families.

In the early Manorial rolls (I can only vouch for German) the name was generally Mc Craine or similar with the c raised above the line to indicate contraction - by c.1580 many of the Mc s were dropped except for the Mcgilchreest type - the mc was in front of what became the 'classic' manx surname