Moreover it is easy to pronounce for us and a soft name, like other popular boy's names in Sweden (Linus, Emil, Leo, Love, Elias, Melvin etc).
William (pronounced as "VILL-yum" here) is also very popular now, perhaps b/c of PrinceWilliam of UK. Before the Swedish form Vilhelm was more popular.
"You may give them your love but not your thoughts. For they have their own thoughts. You may house their bodies but not their souls, For their souls dwell in the house of tomorrow, which you cannot visit, not even in your dreams." (On Children by Kahlil Gibran)