Yes it is. There are two branches; the Spiritualists' National Union affiliated to the SAGB and Christian Spiritualists affiliated to the Greater World Christian Spiritualist Association (GWCSA).
The least popular religion in the UK is most likely the traditional Aztec Tribal Religion. There are other good candidates as well, such as Yarsan, Yezidi, Santeria, Navajo Spiritualism and other localized religions.
Spiritualism.
Hirofumi Tsushiro has written: 'Origuchi Shinobu no chinkonron' -- subject(s): Spiritualism, Religion, Spiritual life (Shinto) '\\' -- subject(s): Spiritualism, Religion
Mary Todd Lincoln was presbyterian. Although she believed in spiritualism
The belief in spirits and demons is called either "spiritualism" or "religion".
G. W. Butterworth has written: 'Spiritualism and religion'
Hudson Tuttle has written: 'The ethics of spiritualism' -- subject(s): Spiritualism 'The philosophy of spirit and the spirit-world' 'Blossoms of our spring' -- subject(s): Accessible book 'The Year-book of spiritualism for 1871' -- subject(s): Spiritualism 'Religion of man and ethics of science' -- subject(s): Religion and science 'The origin and antiquity of physical man scientifically considered ..' -- subject(s): Ethnology, Human beings, Origin 'The Convent of the Sacred Heart' 'Scenes in the spirit world, or, Life in the spheres' -- subject(s): Spiritualism, Future life
Mainly Catholicism and Protestantism came to the new world.
the UK's religion is Christianity
Frank Podmore has written: 'Robert Owen' -- subject- s -: Accessible book 'Spiritualism In France Before 1848' 'On Poltergeists' 'Modern spiritualism' -- subject- s -: Spiritualism 'Early American Spiritualism' 'Mediums of the 19th century' -- subject- s -: Spiritualism 'Telepathic Hallucinations' -- subject- s -: Accessible book, Ghosts, Telepathy, Hallucinations and illusions 'The naturalisation of the supernatural' -- subject- s -: Parapsychology, Spiritualism, Investigation, Research 'Studies in psychical research' -- subject- s -: Spiritualism, Parapsychology 'Spirit Photographs - Pamphlet' 'The newer spiritualism' -- subject- s -: Accessible book, Psychic research, Spiritualism, History 'The Newer Spiritualism - Ancient Religion and Mythology -' 'Clairvoyance In England' 'The English Mesmerists' 'Mediums of the 19th Century, Part 1'
Anglican Christianity is the dominant UK religion.
Spiritualism is a belief system or religion that teaches that spirits of the dead can communicate with the living. Apparently anyone can receive these spiritual messages but those who formally address the spirits can gain more information about the afterlife and other mysterious topics.