High Quality Content by WIKIPEDIA articles! In English speaking and some other Western countries, a double-barrelled name (or double surname) is a family name with two parts, which may or may not be joined with a hyphen and is also known as a hyphenated name. An example of a hyphenated double-barrelled surname is Hoyle-Johnson; an example of an unhyphenated double-barrelled surname is Vaughan Williams.