Osian is a distinctive boys' name in United States, ranking #8736 in 2025 with 9 recorded births. The name reached its all-time peak in 2017 with 9 births ranking #8645. In 2025, approximately 1 in every 189,786 boys born was named Osian. RISING Recent data shows the name is currently rising.
Osian is a Welsh name usually connected with the idea of a little deer. It feels lyrical, gentle, and rooted in Celtic tradition.
The name is closely linked to the Irish Oisin and has become increasingly visible in Wales and beyond. Its rise reflects renewed interest in distinctly Welsh names that still feel easy to say.