How do you change your name last name in Ontario?

Hey, I want to change my last name because it's my dad's last name which I don't want becuase I am more fond of my moms side of the family. How do you do it? Do you have to pay anything, and if so how much?How do you change your name last name in Ontario?Your best bet to find out is to ask your local county clerk, or whatever the person is called in the counties over there that records births, deaths, and marriages. They should be able to give you all the information you need.