The name Elin is a girl's name of Swedish origin. Elin and is often added to lists like International Variations of Helen and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
The Elin variation makes an old favorite sleeker and more modern. Elin came to prominence via the ex-Mrs.Tiger Woods. It entered the US Top 1000 in 2010, though it's now in danger of dropping off.