The name Ronan is a boy's name of Irish origin meaning "little seal". Ronan is ranked #296 on our popularity charts and is often added to lists like Irish Baby Names for Boys and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Ronan is the compelling legendary name of twelve Irish and Scottish saints that is now drawing some deserved attention; this cousin of the ascending Roman and Rowan was chosen by actor Daniel Day-Lewis and his writer-director wife Rebecca Miller in 1998, and more recently by actress Catherine Bell.
Ronan is a Harry Potter name—that of a centaur who lives in the Forbidden Forest. Ronan Keating is an Irish singer, Ronan Farrow is a TV personality and Hollywood scion, and its presence as a surname is represented by young actress Saoirse Ronan.