Does Rosemary repel mosquitoes from home?
Here is a published source, USA Today, that has published an article discussing rosemary as well as other plants that repel mosquitoes.

USA Today Article

I'm not making any claims as to the effectiveness of any of these, so take this for what it's worth.  My guess is that these can't hurt and would make a nice garden.  To quote what they say about rosemary:


  
  Rosemary. Though you'll want to plant an herb garden for cooking, rosemary repels flies and mosquitoes.
  
  
  It also has a pungent scent that drives away other bugs, including
  cabbage moths. It does well in hot dry weather, and thrives in
  containers, so you can set it in various places around the garden.