The name Janessa is a girl's name . Janessa is ranked #891 on our popularity charts and is often added to lists like Fictional Princess Names and discussed in our forums with posts like "If I had 8 daughters whose names started with...".
From the experts:
This newly invented name is most likely a combination of Jane and Vanessa. Though it may not have as long of a history as more traditional names, Janessa has been a staple on the bottom half of the US Top 1000 since the mid-1980s. Perhaps surprisingly, it peaked at Number 524 in 2004.