puppettear's list "Names after Objects" of 4 great name ideas: Penn - Quarry!

Names after Objects

Names after common objects are simple and short, and can usually be found in a number of futuristic novels.

This simple, elegant name offers something for many kinds of parents, from writers and history buffs to photographers to Pennsylvania dwellers. Most famous bearers are comedian Penn Jillette and Gossip Girl hottie Penn Badgley, both of whom were given this distinctive name at birth. Long obscure, Penn seems destined for greater usage.
 More familiar as a surname, Penn has had a number of distinguished bearers, including Pennsylvania founder William, director Arthur, photographer Irving, and actor/activist Sean.

Penn

Pixel

An appealing Hawaiian name which belongs to a town, river and bay on Kauaʻi island in Hawaii. The two possible meanings of the name, "crescent bay" or "garland (lei) valley" both describe the beauty of the place.
 
Hanalei is a unisex name which is sometimes used for boys as a Hawaiian version of Henry, although the names are not etymologically related.

Hanalei

Has the offbeat quality and macho feel -- like Stone and Flint -- that appeals to increasing numbers of modern parents. 