How Common is the First Name Uilliam?
How Old are People Named Uilliam?
The average person named Uilliam is 4.55 years old.
Is Uilliam a Popular Baby Name Right Now?
The popularity of Uilliam peaked in 2018, when it was the 7,128th most popular name for baby boys.
Is Uilliam a Boy's Name or a Girl's Name?
Uilliam is almost exclusively a male name. The Social Security Administration does not record any females born with the name Uilliam.