Birth of Hippolyte Dominique Bayetto at the French Hospital, Shaftsbury Avenue, London. St Giles LONDON (Q2 1892, vol 1b, page 638).
 Several sources incorrectly state that Tone’s was born at 7 Finborough Rd London SW10 but this was his address at the time of gaining his flying licence (see entry for 22 May 1913). These sources include: Finborough Theatre Local History, Cross & Cockade Int. 1995, 26 (4):191-196.
 His father’s naturalisation papers (HO144/1356/261608) record his date of birth as 2 May 1892.