Onslow - Name Meaning and Origin

The boy's name Onslow \o-ns-low, on-slow\ is of Old English origin, and its meaning is "enthusiast's hill". Place name.

Onslow has 2 variant forms: Onslowe and Ounslow.

Baby names that sound like Onslow are Winslow, Ansley, Ansly, Anslie and Anslea.

Onslow is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Onslow. Click here to compare Onslow with related baby names.