Here’s a fairly utilitarian chart of names. Both given and family names can be generated by either just glancing at the lists, or by deploying a D20. Click the image to download a pdf of the Name Generator.
Further inspiration can be gleaned from judicial use of seventeenth-century censuses, lists of church members etc. It’s surprising how many exotic names were popular, and of course there’s no reason why you should limit yourself to Anglo- or even Euro-centric custom. The point is to have a smart resource that means your instant NPCs can be birthed at the drop of a hat without resorting to high fantasy cliché (unless of course you like that sort of thing).