My parents have the same middle name (thou spelled different) so when i was little I believed that when a man and woman got married the woman took both the middle and last name of the man.
A childhood belief about marriage

others believed things like this
- I used to believe my middle name was spelled "Worn" it is "Warren"— Bart
- I used to believe that woman had to pay to keep their last name when they got married!!!!!!!— Imaginative_Kidd
- I used to believe that the man had to be taller the the woman to married her.Anon
- When I was little I used to think that as soon as you were married the woman automatically got pregnant.Anon
- My sister just recently realized that the lyric "more than a woman" wasn't 4 letter woman!— Anne
- I thought the line in the song "more than a woman" was "four-legged woman".— boo