I used to believed that "R.I.P" on a gravestone meant that that person's name was Rip.
A childhood belief about names

others believed things like this
- When I was young, I really used to believe that 'R.I.P.' (on a gravestone) meant 'Return If Possible.'— Colin
- I thought that dead people were stuffed INSIDE their gravestone instead of buried in a coffin.— Sam Shiels
- I thought that a person's motorskills meant how good they were at driving!Anon
- I thought the phrase "At one's disposal" meant you should dispose of the person or thing.— Geirskogul
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- When I was little i believed that Madison Avenue was a person.Anon