The name Willo is generally understood as a modern variant, stylistic spelling, or related form connected to the root name William. The root name William is commonly associated with the meaning resolute protector. Because Willo may represent a contemporary adaptation or creative variation, its meaning is most safely interpreted through the better-documented history and symbolism connected to William.
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Root name
The root form of Willo is
Willo — meaning Graceful and determined little one..
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Modern usage
Willo remains a beloved choice. Timeless appeal across cultures and generations.
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How popular is Willo?
1924peak year
Willo first appears in the U.S. registration record in 1911. Its popularity climbed over the following decades. In 1924, 23 babies received the name (ranked #1871). Today it sits well outside the top 1,000 (around #12007), with roughly 9 babies named Willo each year. Willo has been declining in recent years. In total, around 628 babies have been registered with this name since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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