U nitarian Christianity and You. Unitarian Christianity is alive and well in America. It may not exist as a separate denomination anymore, but it is a belief system adhered to, knowingly or unknowingly, by many, and there are several individual churches that have a Unitarian theology and liturgy. FAIRHAVEN — People of all sexual orientations and gender identities are invited Sunday when the Unitarian Universalist Memorial Church celebrates. this Sunday’s…