A derivative of Rois is the Irish diminutive Roisin.
Rois is an irregularly used baby girl name. It is ranked outside of the top 1000. In 2015, within the family of girl names directly linked to Rois, Rose was the most popular.
Baby names that sound like Rois include Rahi, Rahie, Rahy, Rai, Raia, Raii, Rannee, Ranni, Rauha (Finnish), Raya (Slavic and Russian), Rayya (Arabic), Rea (German, Hungarian, Italian, and Polish), Reah (English), Rehann, Rennae (English), Rennay, Rennee, Rewuri, Rhiah, and Ria (Dutch, German, English, and Hungarian).