The name Quill is a boy's name of Irish origin. Quill and is often added to lists like Nature Names for Babies and discussed in our forums with posts like "Quick Question Thread?!".
From the experts:
Quill is a unique possibility for the child of writers -- even if they do use computers rather than pens; could also serve as a rhyming tribute to an ancestor named Gil, Phil, or Bill (or Jill).