Phyllis Evalina Seckler (1917–2004), also known as Soror Meral, was a ninth degree (IX°) member of the "Sovereign Sanctuary of the Gnosis" of Ordo Templi Orientis, and a student of Jane Wolfe, herself a student of Aleister Crowley. Sr. Meral was Master of 418 Lodge of O.T.O. from its inception in 1979 until her death.