Nope, not "Sir Ian" yet...

[acroyear]

Ian Anderson's January 2008 Diary - The Official Jethro Tull Website:

Mine is a lowly MBE which confers on its owner absolutely no right to be called Sir, sport sword, garters or rubberwear and requires only a discrete bow or curtsey from friends and family. The rest of you can tell me to bugger off.