The passenger was taken ill at around 8.40am.
Routes affected included:
- Northern Rail between Blackpool North and York and between Leeds / Huddersfield and Selby
- CrossCountry between Glasgow Central and Plymouth / Bath Spa
- First TransPennine Express between Liverpool Lime Street and Scarborough, between Manchester Airport and Middlesbrough and between Manchester Piccadilly and Hull
National Rail said the incident was cleared by around 9.30am.