Cognomen レイニー (Lainey 
, Rainey , レイニー 
) , all around the world, is a common last name. The last name レイニー is characteristic of British Virgin Islands, where it is quite a common surname, Ireland, where it is quite a rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Canada. Much less frequently, レイニー is the forename as well as the last name.