Boy name · Germanic
William
“resolute protector”
Vibes
Common nicknames
Short-forms and diminutives parents often use for William.
Explore William further
Similar-feel alternatives, or middle-name candidates that pair well with William — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
William is built from the Germanic elements wil (will, desire) and helm (helmet, protection): "resolute protector." It arrived in England with William the Conqueror in 1066 and has never really left power since.
Four English kings, a future British monarch, Shakespeare himself — William's roster reads like a syllabus. In America it has never dropped out of the top 20 in over a century of records and holds fifth place in 2024. Few names offer this much institutional memory.
William's superpower is its wardrobe of nicknames: Will (modern), Liam (Irish), Billy (retro), Wills (preppy). A child can reinvent the same name several times over a lifetime. It pairs naturally with almost any middle name and anchors the Old Money / Heirloom vibe — the name on the library wing, the boat, and the birth certificate.
More Germanic names
William sits in our Germanic set — these share its roots.
All Germanic names →William — common questions
Is William a boy or girl name?
William is traditionally a boy name of Germanic origin. It ranked #9 among US boys' names in 2025.
What does the name William mean?
William means “resolute protector” of Germanic origin. William is built from the Germanic elements wil (will, desire) and helm (helmet, protection): "resolute protector." It arrived in England with William the Conqueror in 1066 and has never really left power since.
Where does the name William come from?
William is Germanic in origin. Four English kings, a future British monarch, Shakespeare himself — William's roster reads like a syllabus. In America it has never dropped out of the top 20 in over a century of records and holds fifth place in 2024. Few names offer this much institutional memory.
What are common nicknames for William?
Will, Willy, Liam, Bill, and Billy — the short-forms parents most often use for William.
How popular is William?
William ranked #9 in US Social Security Administration data for 2025, which puts it solidly in everyday use.
Bring the name into the room
A couple of nice things named William you might want for the nursery.