Onslow
Old English · Boy · 2 syllables
Popularity & facts
Relative popularity index, 2010–2025Popularity over time
Popularity indexHistorical popularity from 1880–2025 · US Social Security Administration data
About the name Onslow
Onslow derives from Old English elements "Ansa" (a personal name) and "lōw" (a low-lying hill or mound), meaning "Ansa's hill" or "Ansa's mound." The name is primarily English, originating as a place name in Norfolk, England, and became established as a given name through aristocratic use, notably by the Onslow family which produced several Members of Parliament and peers from the 16th century onward.
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Etymology
Onslow derives from Old English elements "Ansa" (a personal name) and "lōw" (a low-lying hill or mound), meaning "Ansa's hill" or "Ansa's mound." The name is primarily English, originating as a place name in Norfolk, England, and became established as a given name through aristocratic use, notably by the Onslow family which produced several Members of Parliament and peers from the 16th century onward.
Onslow currently ranks #3,465 in the United States as a boy's name. It reached its peak popularity around 1917.
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Sibling name ideas
English names that sit beautifully beside OnslowSimilar names you might like
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