The name reached its all-time peak in 2004 with 24 births ranking #3738. STABLE Recent data shows the name is currently stable.
Allison is a familiar classic that shares the noble-root meaning of Alison and Alice. It feels polished, approachable, and very well established.
The name became especially prominent in the late twentieth century and has stayed recognisable because of its balanced, friendly sound. Its spelling with double l now feels especially standard in modern use.