Catherine Perrin (Previously "Cookson") was a storyliner on Coronation Street in several stints from January 2008 to July 2022 with 2671 episodes to her credit over that time. In addition, she was script editor on 36 episodes, four of which she acted as both storyliner and script editor. In July 2022, both she and Stacey-Lee Brennan became the programme's joint story editors and have so far contributed 529 episodes in that role.
All of her credits prior to 2012 were under the surname of "Cookson". She began her career in the television industry as a production secretary,
Episodes storylined by Catherine Perrin[]
2000s[]
2008 (75 episodes)
- All episodes between Episode 6735 (21st January 2008) and Episode 6809 (4th May 2008)
2009 (164 episodes)
- All episodes between Episode 7078 (18th May 2009) and Episode 7241 (31st December 2009)
2010s[]
2010 (263 episodes)
- All episodes in this year
2011 (25 episodes)
- All episodes between Episode 7505 (3rd January 2011) and Episode 7529 (4th February 2011)
2012 (200 episodes)
- All episodes between Episode 7820 (12th March 2012) and Episode 7914 (20th July 2012)
- All episodes between Episode 7921 (30th July 2012) and Episode 7930 (10th August 2012)
- All episodes between Episode 7936 (20th August 2012) and Episode 8030 (31st December 2012) (also Script Editor between Episode 7946 (3rd September 2012) and Episode 7949/50 (9th September 2012))
2013 (98 episodes)
- All episodes between Episode 8031 (2nd January 2013) and Episode 8128 (17th May 2013)
2014 (80 episodes)
- All episodes between Episode 8389 (19th May 2014) and Episode 8454 (22nd August 2014)
- All episodes between Episode 8460 (1st September 2014) and Episode 8473 (19th September 2014)
2015 (196 episodes)
- All episodes between Episode 8611 (6th April 2015) and Episode 8806 (31st December 2015)
2016 (7 episodes)
- All episodes between Episode 8807 (1st January 2016) and Episode 8813 (8th January 2016)
2017 (217 episodes)
- All episodes between Episode 9125 (20th March 2017) and Episode 9340 (29th December 2017)
2018 (313 episodes)
- All episodes in this year
2019 (314 episodes)
- All episodes in this year
2020s[]
2020 (243 episodes)
- All episodes in this year
2021 (315 episodes)
- All episodes in this year
2022 (161 episodes)
- All episodes between Episode 10526 (3rd January 2022) and Episode 10685/6 (8th July 2022)
Episodes script edited by Catherine Perrin[]
2012 (16 episodes)
- All episodes between Episode 7915 (23rd July 2012) and Episode 7919/20 (27th July 2012)
- All episodes between Episode 7931 (13th August 2012) and Episode 7935 (17th August 2012)
- All episodes between Episode 7946 (3rd September 2012) and Episode 7949/50 (9th September 2012) (In addition to also storylining these episodes)
2014 (20 episodes) (All co-credited with Sarah Mann)
- All episodes between Episode 8455 (25th August 2014) and Episode 8459 (29th August 2014)
- All episodes between Episode 8474 (22nd September 2014) and Episode 8478 (26th September 2014)
- All episodes between Episode 8499 (27th October 2014) and Episode 8503 (31st October 2014)
- All episodes between Episode 8514 (17th November 2014) and Episode 8518 (21st November 2014)
Episodes story edited by Catherine Perrin[]
2022 (153 episodes)
- All episodes between Episode 10687/8 (11th July 2022) and Episode 10839 (31st December 2022) (Co-credited with Stacey-Lee Brennan)
2023 (312 episodes)
- All episodes in this year (Co-credited with Stacey-Lee Brennan)
2024 (64 episodes)
- All episodes from Episode 11152/3 (1st January 2024) (Co-credited with Stacey-Lee Brennan)