Surname Мерф (Murph 
, Мерф 
) , worldwide, is quite a rare cognomen. The last name Мерф is habitual in Ireland, where it is quite a rare surname, the United States, where it is a rare surname, and New Zealand. In absolute terms, the name is most common in the United States, Ireland, and the United Kingdom. Much less frequently, Мерф is the forename as well as the last name.