You can try looking on Archive of Our Own (AO3). It has a large collection of fanfics from various genres and fandoms, so there's a good chance you'll find some Matthew McCann gay fanfic there.
I'm not sure specifically which 'Matthew McCann' gay fanfic stories are popular as there are countless fanfics out there. However, you could start by looking on popular fanfic platforms like Archive of Our Own (AO3) and search for 'Matthew McCann' in the gay fanfic category.
There might be false stories. In the entertainment industry, rumors often spread. Some people might misinterpret his relationships or behavior and create unfounded gay stories. Just because an actor is private about his personal life doesn't mean people should make up stories.
I'm not sure specifically what 'ellis stories' are without more context. It could be personal stories about someone named Ellis, or perhaps it's a collection of fictional tales related to a character or place named Ellis.
First of all, we need to be aware that they are untrue. Then, we should refrain from participating in any form of gossip related to these false 'gay stories'. As fans or just people in general, we should focus on his work and talent. His acting skills and the characters he portrays should be what we talk about, not unfounded rumors about his sexual orientation. We can also encourage others to do the same and promote a more respectful and positive environment for him and all actors.
Since I don't know the details of the Bianca Ellis Story, it could be a story related to her career. For example, if she is an artist, it might be about her creative process and how she got into the art world. Or if she is an athlete, it could be about her training and competitions. But again, without more information, it's all speculation.
One interesting story could be about the immigrants' first experiences at Ellis Island. They might have faced long queues, medical examinations, and lots of paperwork. Novels might explore the hopes and fears of these immigrants, like how they left their homeland in search of a better life in America and what they had to endure at Ellis Island.