Róisín is a very popular name in Ireland, where it has consistently ranked in the top 100 names for baby girls. It is also popular in Scotland and other parts of the UK. Outside of the UK and Ireland, the name is less common.

Róisín Dubh ("Black Rose") is a famous Irish folk song that tells the story of a woman who is betrayed by her lover. The song has been covered by many artists over the years, including Sinéad O'Connor and The Dubliners. Róisín Murphy is an Irish singer and songwriter who first gained fame as the lead vocalist of the electronic music duo Moloko. She has released several successful solo albums and has been praised for her unique style and innovative music videos.

Róisín McGettigan is an Irish track and field athlete who specializes in the steeplechase. She represented Ireland in the 2008 Summer Olympics in Beijing and has won numerous medals in international competitions. Róisín Lafferty is an Irish architect who founded the Dublin-based design firm Kingston Lafferty Design. She has been recognized for her innovative and sustainable designs and has won several awards for her work.