During a phone conversation with one of my clients last week Craigslist happened to be mentioned, then she asked me if I knew her son Craig *****. She added that he started the site out of his appartment while he was attending his full time job, then much to his surprise it started to grow, and before he knew it he needed a full time staff. Shortly before it got started he had some difficulty naming the site, and after days and days of pondering with his friends and family they would always ask, "What should we call Craig's list?" Then by popular demand from everyone, and against his own wishes, he let majority rule and called it like it is.
http://www.craigslist.org/about/cities.html