Changing a Childs Name is Fast and Simple
A child cannot change their name, they do not have the legal requirement or the mental capacity to do so. You are deemed to be a child if your age is below 18 years old, however, at age between 16 and 18, you have a little ability to influence your name change http://deedpoll.ltd.uk/changing-a-childs-name/ AND https://www.facebook.com/pages/Change-your-name-by-deed-poll/1617252885211036