Notice William only signs his first name. While Kate signs her full name, Catherine, and follows it with a period. Popular Reads. Shooting on South Carolina charter boat leaves 11 injured: Police.

Kate and William decided on a name fairly quickly – William’s parents took a week to announce his name, while, back in 1948, Prince Charles wasn’t named for a month!

When William was born on June 21, 1982, his parents didn't reveal his name until one week later. His father, Prince Charles, was a month old before his name was made public.