As a practice, Reiki is passed on in person from master to student and most Reiki healers know their lineage all the way back to Dr Mikao Usui, this is mine:-
Dr Mikao Usui
Dr Chujiro Hayashi
Hawaya Takata
Iris Ishikuro
Arthur Robertson
Rick and Emma Ferguson
Martarette L Shelton
Kathleen Ann Milner
Robert N Wachsberger
Tricia Courtney Dickens
Wendy Hayley
Karen Harrison
Deirdre Catchpole
Jane Conway
Mary Peirce
Merlin Farwell