I definitely consider it dated. I also just don't really like it. I don't think I like the "een" sound. My cousin named her daughter Carleen two years ago. The kid is a sweetie, but I still don't like the name.
One momma namenerdin' in the fleeting quiet moments between
delighting in and losing my mind amidst my four kiddos
To peruse my top 100ish names:
http://www.behindthename.com/pnl/82589Bits of blogging here:
http://jodifriesen.blogspot.ca/And family cuteness here:
https://www.flickr.com/gp/41705