Every account of her, including this entry, is drawn from Marc Edmund Jones's own description of her in his writing on the 1925 Sabian sitting. No independent biographical, genealogical or newspaper record naming her birth or death year has surfaced in the sources checked for this entry.
What would resolve this A genealogical or California newspaper archive search for a clairvoyant medium named Elsie Wheeler active in the San Diego area in the 1920s, or a period Theosophical Society membership record naming her.
OpenBiographical and archival researchMarc Edmund Jones, The Sabian Symbols in Astrology