Green’s Dictionary of Slang

1. a tailor.

1818		‘Thomas Brown’ Fudge Family in Paris Letter VIII 90: Here comes the Schneider, / And, curse him, had made the stays three inches wider.
1822		Bell’s Life in London 25 Aug. 1/2: (Enter a Page from whithin) Mr Schneider, the tailor, is wanted.
1843		Hereford Jrnl 27 Sept. 4/2: The mouse was heard to warble from behind the wainscoting of its now fortunate master — a schneider (tailor).
1845		Bell’s Life in Sydney 27 Sept. 3/1: Brenan had the advantage of about two stone in weight, while the schuider [sic] was reported to possess a degree of game [...] In this round the tailor had his eye cut open.
1846		Bell’s Life in Sydney 25 July 3/5: One of those obliging scneiders [sic] who work up gentlemen's ‘material’.
1848		Sam Sly 9 Dec. 3/2: It is not true that Mr. G—n—ld, the Schneider of Gre—h, is going to abandon old ale and bagatelle.
1848		Bell’s Life in Sydney 8 Jan. 2/6: A dirty, curly-headed snob, of the half-schneider half-shice genus.
1851		Bell’s Life in Sydney 6 Dec. 3/1: Mr John McNicholas, a fashionable schneider, stated [...] that he was oriental fashion upon his board.
1853		R.S. Surtees Mr Sponge’s Sporting Tour 4: Many were the customers who turned away on seeing his manly figure filling the swing mirror in ‘Snip and Sneiders’.
1872		Schele De Vere Americanisms 648: The simple tailors of former days liked thus to go from house to house in the rural districts, providing the families with clothing. The chief romance for the happy ‘Schneider’ was in the abundant and wholesome cheer of the farmer who employed him.
1880		Bulletin (Sydney) 1 May 4/3: Daughter of the fashionable German Schneider in George-street.
1886		St James’s Gaz. 7 Aug. 5/1: His name was Wegschneider [...] Schneider means ‘tailor,’ or, more literally, ‘cutter’.
1925		Sporting Times 2 May 2/1: He originally was a Schneider, or tailor.

2. a Jew.

1914		Truth (Melbourne) 12 Dec. 6/6: Now there was a Schnider Yarman / [...] / Who did sell the chip potato.
1989		J. Morton Lowspeak 124: Schneider – a Jewish person [...] many tailors were Jewish. Still common amongst the Cypriot community in London.