undefined's list "Animal Baby Names" of 2 great name ideas: Arley - Oona!

Animal Baby Names

Similar in sound to Harley, Marley, and Arlo, this surname-style name is familiar in Brazil and a Top 1000 choice in England and Wales. Pronounced as AHR-lee in English and ahr-LAY in Latin America, it may be a habitational name, relating to rabbits, hares, or eagles, depending on what Old English root you follow, though it may also relate to the names Arlette, Arleth, and Arlington, lending it the meaning "noble". 
 
Arlie is also a familiar choice in England and Wales.

Arley

Oona is a name made famous by Eugene O'Neill's daughter, who became Charlie Chaplin's wife. One of the original Oona's granddaughters was named after her, and is now an actress famous in her own right for playing Talisa of Volantis in HBO's "Game of Thrones." The double-o beginning gives their name a lot of oomph.
 In Irish legend, Una/Oona was a daughter of a king of Lochlainn. The name was very popular in Ireland in the Middle Ages, and is currently seeing a comeback--also spelled Oonagh.