Onslow
Meaning
"Ōn's hill; from the hill of Ōn"
Origin: Old English
Cultural Roots
Quick Stats
- Popularity Rank
- #15,100
- Total SSA Count
- 7
- Syllables
- 2
- Formality
- Formal
- Nicknames
- Ons
Baby Name Comparison — 2026
"Ōn's hill; from the hill of Ōn"
Origin: Old English
"people mighty, powerful nation"
Origin: Irish Gaelic
Tully is more popular, ranked #3933 vs #15100 for Onslow.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
Answer 3 quick questions and we'll help you decide.
1. Which style feels more like your family?
Tully is more popular, ranked #3933 compared to Onslow at #15100 in the United States.
Onslow means "Ōn's hill; from the hill of Ōn" (Old English origin). Tully means "people mighty, powerful nation" (Irish Gaelic origin).
Onslow is primarily a boy name. Tully is primarily a girl name.