Green’s Dictionary of Slang

figaro n.

a barber.

1845		Bell’s Life in Sydney 20 Sept. 2/5: Fragments of delapidated wine glasses, tumblers, decanters, and looking glasses, which reflected the scene of desolation in all its horrors to the astonished Figaro.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.
1882		Sydney Sl. Dict. (2 edn) 4: Figaro - A barber, from Le Nozze de Figaro.
1886		Globe (London) 18 Mar. 3/2: (Referring to a recent order of French War Minister permitting soldiers to wear their beards) There is wailing and weeping among a certain section of that army, the figaros, which has been despoiled at one fell swoop [F&H].
1889		Nat. Police Gaz. (NY) 14 Dec. 2/2: ‘How’ll you have your haircut?’ Figaro asked Dixey [...] ‘ith your mouth shut!’ the comedian answered the barber .
1922		Contemp. Rev. Mar. 334: [He] one day asked his Figaro who he thought was the richest man in the town. The barber mentioned the Emperor.