I used to believe my middle name was and. At age 12, I discovered that it was actually "ann".
A childhood belief about names

others believed things like this
- I used to think that ponies were young horses. I was embarrasingly old when I discovered the truth.— Al's view of the world
- I used to believe that my middle name was Goofy, even though it's actually Margaret.— Lisa
- I used to believe that everyone had the same middle name as me... Elizabeth.
(even my uncles)— K.O. - I used to believe that the red thing in the middle of a Greek olive was the pit.— Liz
- I used to believe my middle name was spelled "Worn" it is "Warren"— Bart
- I used to think the reflectors in the middle of roads were pieces of cheese!Anon