"Has Y Combinator ever funded a startup with a GLBT founder?" Yes, definitely. Considering YC has funded hundreds of companies, I expect there are quite a lot

"Has Y Combinator ever funded a startup with a GLBT founder?" Yes, definitely. Considering YC has funded hundreds of companies, I expect there are quite a lot of them, but one of the characteristics of hackers is that we tend to talk about ideas instead of personal lives, even at social gatherings, so it's not something that comes up often. The ones I know of were friends of mine before they did YC.