I would like to set the font size and familyname to the titleLabel. //Helvetica Neue UltraLight
[titleLabel setFont:[UIFont fontWithName:@\"Helvetica Neue Ultr
You use wrong font name, correct one will be:
[titleLabel setFont:[UIFont fontWithName:@"HelveticaNeue-UltraLight" size:25.0f]];
You can see the list of all available font names for a given font family using +fontNamesForFamilyName: method in UIFont, e.g.:
[UIFont fontNamesForFamilyName:@"Helvetica Neue"]
Edit: Also mind that some fonts may not be present on all versions of iOS as Apple gradually adds (and sometimes probably removes) fonts from standard OS set.
It appears that "HelveticaNeue-UltraLight" font present in OS starting 5.0 version. If you want to use it in older OS versions you'll need to embed it to you application - check for example this answer for details how to do that