The Brown family attends St. John Baptist Church. While mayor, Brown has performed at least one wedding ceremony at the church. Byron Brown is a chapter president of Alpha Phi Alpha Fraternity, a past President of the Buffalo State College Alumni Association Board, and at the time of his mayoral inauguration he sat on the Board of the Boy Scout Council of Western New York and the Community Action Organization of Erie County. Brown collects tropical fish and maintains an aquarium in his Buffalo Mayor's office. His parents divorced and at the beginning of his mayoral tenure, his mother was living in Buffalo. He also is a member of the Erie County Democratic Committee. He was a delegate to the 1992, 2000 and 2004 Democratic National Conventions.