Rooney is a serif font. It goes well with Freight Sans Pro, Brandon Grotesque, Proxima Nova, Halis Grotesque, Gilroy and Local Brewery Two. If you're thinking about using Rooney then try 24px for headers. Give 15px a shot for content.
People commonly tag it as blog, designer, simple, informal, food, app, photo, portfolio, cartoon and writing. You can get it from Fonts.com, MyFonts and Typekit.