The name Stellan is a boy's name of Swedish origin meaning "calm". Stellan and is often added to lists like Unique Boy Names: Unusual and Rare and discussed in our forums with posts like "Baby a Day".
From the experts:
Stellan is a strong, attractive, Scandinavian possible up-and-comer, known through actor Stellan Skarsgard, and his namesake, the son of Jennifer Connelly and Paul Bettany. Its trendy 'an' ending and the similarity in sound to the popular Kellen/Kellan make it all the more accessible.