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Willliam
Pronounced WIL-yum /ˈwɪl.jəm/Medium
Meaning: This is William misspelled with an extra L (Willl-) — a recorded typo, not a distinct name. William itself is Germanic, from wil ('will; resolve') and helm ('helmet; protection'), 'resolute protector.' We state the error plainly.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Willliam is an error-form of William, carrying an extra L; it is a recorded typo, not a distinct name, which we state plainly. William proper is Germanic, from wil ('resolve') and helm ('protection'), 'resolute protector' (said 'WIL-yum').
It appears only as a rare misspelling in records. Rare, an error-form of a classic.
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Frequently Asked
What does the name Willliam mean?
Willliam is William misspelled with an extra L — a recorded typo, not a distinct name. William means 'resolute protector,' which we note.
How do you pronounce Willliam?
It's said WIL-yum /ˈwɪl.jəm/ — two syllables, stress on the first.
Is Willliam a boy or girl name?
Here Willliam is recorded for a boy; it is an error-form of William, a boy's name.
How popular is Willliam?
Willliam is extremely rare and appears as a misspelling of the common name William.













