Ebenezer Sibly

Ebenezer Sibly (1751 – c. 1799) was an English physician, astrologer and writer on the occult.

He was the son of Edmund Sibly and Mary Larkholm, born in the parish of Cripplegate ward, London. He was the brother of Manoah Sibly. Early on he devoted himself to medicine and astrology. He studied surgery in London.

In 1785 he was working as an astrologer in Bristol; and by about 1788 had moved to London. In 1789 he became the first master of the Lodge of Joppa #188, one of the founding masonic lodges under the Ancient Grand Lodge of England. In 1790 he was temporarily in Ipswich, supporting Sir John Hadley D'Oyly, the Whig member, at the general election. On 20 April 1792 he graduated M.D. from King's College, Aberdeen.

Sibly was a deputy to Thomas Dunckerley in the founding of the Royal Ark Mariners, and recognized Thomas Parkyns, 1st Baron Rancliffe as the next Grand Commander after Dunckerley's death.

As a student of medicine, he became interested in the theories on animal magnetism by Anton Mesmer, joining Mesmer's Harmonic Philosophical School, and later also theosophy.

Sibly died in London around 1799.