Silsden must carry the Bradford Sunday Alliance League flag alone in the FA Sunday Cup after Bolton Woods and Buttershaw White Star both bowed out in the second round.
Adam Whiteoake scored both goals as the Premier Division leaders overcame having two men sent off in the second half to beat Birkenhead side The Dock 2-0.
It was goalless at the interval and the Keighley hosts then had their first player dismissed for a late tackle, only for Whiteoake to give them the lead after an hour.
Whiteoake doubled his tally to kill off the contest, although his side had to survive the last ten minutes with just nine men after the award of a second yellow card to one of their side.
Bolton Woods bowed out 2-0 at home to Warby, an Ormskirk team who have not been beaten this season.
And Buttershaw White Star missed out 5-4 in a penalty shoot-out after they had held Rawdon to a goalless draw in a match that went to extra-time at Nethermoor Park in Guiseley.
Division One outfit Ring o' Bells Shipley shocked Premier Division side Queensbury 4-0 in an all Alliance third-round tie in the West Riding County FA Sunday Cup.
Bells went ahead in the third minute through a Simon Topps penalty and Steve George added the second on the half-hour mark.
The hosts continued to dominate and Topps struck his second goal after 75 minutes, before Gary Grimshaw hit the fourth in the last minute.
Division One pacesetters Eccleshill United eased to a 4-0 home victory against Siddal Athletic. Ben Hardy and Mathew Tilsley scored in the first half and further goals followed from Andy Philps and Niel Murray.
Oakenshaw of the Premier Division had Martin Dolan and Mick Burke on target in a 2-0 outcome as they proved too strong for Division One visitors Oakworth Juniors.
Clayton Orient, from Division 1A, moved into a two-goal lead with a brace from Dean Louch against Elland.
But the visitors drew level early in the second half and then pinched a winner thanks to an own goal in the last minute.
Division 1A strugglers Oddfellows Athletic took the lead at home to Birkenshaw with a Nicky Walker goal but were pegged back in the second half and then slipped away during extra-time to lose 4-1.
Leeds City Rangers are proving a bogey team to Alliance Premier clubs, adding West Bowling to the scalp of Bradford Park Avenue Rangers they claimed in the previous round.
The below-strength hosts shipped two goals early in the second half and although Chris Wood pulled one back, West Bowling eventually lost 3-1.
Wyke Wanderers' young Division One side held Shipley Town to 0-0 after extra-time but two goals in the extra period saw the visitors through.
Bradford Ukrainians took the lead in their West Riding County FA Sunday Trophy tie at New Rover but were eventually beaten 3-2.
Paul Holinski scored the Division 2A strugglers' first goal and Kieran Troth later equalised after the Leeds hosts had moved 2-1 ahead.
Nab Wood Juniors of Division 2B had better fortune with a crushing 10-3 win at home to Windmill Tavern.
Dave Carrigan led the surge with five of the Nab Wood goals, backed up by Leon Reuben (2), Waheed Mohammed, Andy Rhodes and Shannon Tudor, Division 2A high-fliers Gaping Goose of Wibsey moved through 3-2 at home to Batley side Woodman Batley Carr thanks to goals from Rick Craven, Bob Thorne and Trevor Tordoff.
And Thornton of Division 2A ran out 4-3 winners at home to Leeds-based Middleton Con Club as Phill Holmes and Sean Clifford added to two superb Chris Brado efforts.
Wharfedale League side Mill Lane maintained their unbeaten record in all competitions with a 3-0 win at Black Bull as Lee Taylor, Dave Pemberton and Curtis Mahon scored.
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