Lesley Clare O'Neill has been a member of the Emmerdale writing team since 1998, penning 231 episodes.
Episodes Written by Lesley Clare O'Neill
1990s
1998 (6 episodes)
- Episode 2409 (1st September 1998)
- Episode 2431 (15th October 1998)
- Episode 2432 (20th October 1998)
- Episode 2437 (29th October 1998)
- Episode 2449 (26th November 1998)
- Episode 2455 (10th December 1998)
1999 (12 episodes)
- Episode 2479 (2nd February 1999)
- Episode 2490 (25th February 1999)
- Episode 2493 (4th March 1999)
- Episode 2518 (4th May 1999)
- Episode 2526 (20th May 1999)
- Episode 2556 (29th July 1999)
- Episode 2561/2562 (11th August 1999) (co-written with Marvin Close)
- Episode 2568 (26th August 1999)
- Episode 2588 (7th October 1999)
- Episode 2602 (4th November 1999)
- Episode 2617 (7th December 1999)
- Episode 2622 (16th December 1999)
2000s
2000 (15 episodes)
- Episode 2642 (26th January 2000)
- Episode 2651 (15th February 2000)
- Episode 2661 (7th March 2000)
- Episode 2689 (4th May 2000)
- Episode 2699 (30th May 2000)
- Episode 2709 (21st June 2000)
- Episode 2727 (27th July 2000)
- Episode 2737 (22nd August 2000)
- Episode 2738 (23rd August 2000)
- Episode 2770 (23rd October 2000)
- Episode 2771 (24th October 2000)
- Episode 2779 (3rd November 2000)
- Episode 2790 (17th November 2000)
- Episode 2791 (21st November 2000)
- Episode 2812 (21st December 2000)
2001 (13 episodes)
- Episode 2845 (5th February 2001)
- Episode 2846 (6th February 2001)
- Episode 2863/2864 (1st March 2001) (co-written with Martin Jameson)
- Episode 2865 (2nd March 2001)
- Episode 2873 (14th March 2001)
- Episode 2885 (2nd April 2001)
- Episode 3017 (3rd October 2001)
- Episode 3024 (12th October 2001)
- Episode 3045 (12th November 2001)
- Episode 3046 (13th November 2001)
- Episode 3058 (29th November 2001)
- Episode 3059 (30th November 2001)
- Episode 3076 (25th December 2001)
2002 (14 episodes)
- Episode 3084 (4th January 2002)
- Episode 3101 (28th January 2002)
- Episode 3113 (14th February 2002)
- Episode 3130 (11th March 2002)
- Episode 3156 (16th April 2002)
- Episode 3161 (22nd April 2002)
- Episode 3178 (15th May 2002)
- Episode 3206/3207 (24th June 2002) (co-written with Dave Simpson)
- Episode 3228/3229 (24th July 2002)
- Episode 3244 (15th August 2002)
- Episode 3273 (25th September 2002)
- Episode 3291 (21st October 2002)
- Episode 3306 (11th November 2002)
- Episode 3326 (9th December 2002)
2003 (9 episodes)
- Episode 3355 (17th January 2003)
- Episode 3361 (27th January 2003)
- Episode 3386 (3rd March 2003)
- Episode 3400 (21st March 2003)
- Episode 3481 (4th July 2003)
- Episode 3505 (6th August 2003)
- Episode 3529 (9th September 2003)
- Episode 3572 (29th October 2003)
- Episode 3612 (18th December 2003)
2004 (19 episodes)
- Episode 3648 (29th January 2004)
- Episode 3649 (30th January 2004)
- Episode 3669 (23rd February 2004)
- Episode 3670 (24th February 2004)
- Episode 3688 (16th March 2004)
- Episode 3689 (17th March 2004)
- Episode 3704 (4th April 2004)
- Episode 3705 (5th April 2004)
- Episode 3737 (12th May 2004)
- Episode 3753 (28th May 2004)
- Episode 3798 (22nd July 2004)
- Episode 3820 (17th August 2004)
- Episode 3828 (26th August 2004)
- Episode 3848 (20th September 2004)
- Episode 3870 (14th October 2004)
- Episode 3898 (16th November 2004)
- Episode 3899 (17th November 2004)
- Episode 3920 (12th December 2004)
- Episode 3921 (13th December 2004)
2005 (9 episodes)
- Episode 3938 (3rd January 2005)
- Episode 3984 (24th February 2005)
- Episode 3995 (10th March 2005)
- Episode 4029 (20th April 2005)
- Episode 4036 (28th April 2005)
- Episode 4062 (30th May 2005)
- Episode 4076 (16th June 2005)
- Episode 4114 (1st August 2005)
- Episode 4225 (6th December 2005)
2006 (14 episodes)
- Episode 4267 (24th January 2006)
- Episode 4295 (26th February 2006)
- Episode 4303 (7th March 2006)
- Episode 4326 (3rd April 2006)
- Episode 4349 (30th April 2006)
- Episode 4378 (2nd June 2006)
- Episode 4404 (6th July 2006)
- Episode 4445 (23rd August 2006)
- Episode 4446 (24th August 2006)
- Episode 4490 (12th October 2006)
- Episode 4510 (6th November 2006)
- Episode 4546 (17th December 2006)
- Episode 4547 (18th December 2006)
- Episode 4548 (19th December 2006)
2007 (12 episodes)
- Episode 4600 (15th February 2007)
- Episode 4630 (22nd March 2007)
- Episode 4646 (10th April 2007)
- Episode 4668 (6th May 2007)
- Episode 4738 (25th July 2007)
- Episode 4767 (28th August 2007)
- Episode 4789 (25th September 2007)
- Episode 4817 (28th October 2007)
- Episode 4818 (29th October 2007)
- Episode 4819 (30th October 2007)
- Episode 4848 (2nd December 2007)
- Episode 4849 (3rd December 2007)
2008 (13 episodes)
- Episode 4888 (16th January 2008)
- Episode 4917 (20th February 2008)
- Episode 4928 (4th March 2008)
- Episode 4954 (3rd April 2008)
- Episode 4977 (5th May 2008)
- Episode 4993 (22nd May 2008)
- Episode 5030 (7th July 2008)
- Episode 5046 (24th July 2008)
- Episode 5047 (25th July 2008)
- Episode 5075 (27th August 2008)
- Episode 5096 (22nd September 2008)
- Episode 5120 (20th October 2008)
- Episode 5151 (25th November 2008)
2009 (10 episodes)
- Episode 5192 (9th January 2009)
- Episode 5211 (2nd February 2009)
- Episode 5232 (26th February 2009)
- Episode 5318 (10th June 2009)
- Episode 5362 (31st July 2009)
- Episode 5395 (9th September 2009)
- Episode 5442 (2nd November 2009)
- Episode 5443 (3rd November 2009)
- Episode 5444 (4th November 2009)
- Episode 5480 (16th December 2009)
2010s
2010 (13 episodes)
- Episode 5496 (4th January 2010)
- Episode 5540 (24th February 2010)
- Episode 5549 (5th March 2010)
- Episode 5580 (12th April 2010)
- Episode 5603 (7th May 2010)
- Episode 5624 (3rd June 2010)
- Episode 5649 (8th July 2010)
- Episode 5670 (30th July 2010)
- Episode 5696 (31st August 2010)
- Episode 5723 (30th September 2010)
- Episode 5752 (2nd November 2010)
- Episode 5772/5773 (25th November 2010) (co-written with Cameron McAllister)
- Episode 5774 (26th November 2010)
2011 (7 episodes)
- Episode 5809 (5th January 2011)
- Episode 5830 (28th January 2011)
- Episode 5994 (10th August 2011)
- Episode 6036 (28th September 2011)
- Episode 6051 (13th October 2011)
- Episode 6074 (9th November 2011)
- Episode 6109 (19th December 2011)
2012 (13 episodes)
- Episode 6139 (19th January 2012)
- Episode 6140 (20th January 2012)
- Episode 6178 (6th March 2012)
- Episode 6210 (12th April 2012)
- Episode 6230 (4th May 2012)
- Episode 6261 (14th June 2012)
- Episode 6277/6278 (3rd July 2012) (co-written with Caroline Mitchell)
- Episode 6298 (24th July 2012)
- Episode 6328 (28th August 2012)
- Episode 6358 (2nd October 2012)
- Episode 6406 (26th November 2012)
- Episode 6413 (4th December 2012)
- Episode 6433 (26th December 2012)
2013 (10 episodes)
- Episode 6462 (29th January 2013)
- Episode 6473 (11th February 2013)
- Episode 6559 (22nd May 2013)
- Episode 6586 (21st June 2013)
- Episode 6592 (28th June 2013)
- Episode 6653 (9th September 2013)
- Episode 6690 (18th October 2013)
- Episode 6692 (22nd October 2013)
- Episode 6726 (29th November 2013)
- Episode 6752 (27th December 2013)
2014 (8 episodes)
- Episode 6779 (29th January 2014)
- Episode 6800 (21st February 2014)
- Episode 6905 (3rd July 2014)
- Episode 6935 (4th August 2014)
- Episode 6968 (10th September 2014)
- Episode 6985 (29th September 2014)
- Episode 7008 (24th October 2014)
- Episode 7037/7038 (27th November 2014) (Co-written with Bill Taylor)
2015 (11 episodes)
- Episode 7120 (3rd March 2015)
- Episode 7145 (1st April 2015)
- Episode 7160 (17th April 2015)
- Episode 7185 (18th May 2015)
- Episode 7235 (15th July 2015)
- Episode 7260 (12th August 2015)
- Episode 7280 (2nd September 2015)
- Episode 7321 (16th October 2015)
- Episode 7344 (12th November 2015)
- Episode 7366 (9th December 2015)
- Episode 7383 (28th December 2015)
2016 (9 episodes)
- Episode 7426 (16th February 2016)
- Episode 7433 (24th February 2016)
- Episode 7529 (17th June 2016)
- Episode 7547 (6th July 2016)
- Episode 7572 (1st August 2016)
- Episode 7600 (29th August 2016)
- Episode 7637 (10th October 2016)
- Episode 7655 (31st October 2016)
- Episode 7685 (2nd December 2016)
2017 (12 episodes)
- Episode 7722 (13th January 2017)
- Episode 7749 (15th February 2017)
- Episode 7778 (21st March 2017)
- Episode 7798 (13th April 2017)
- Episode 7828/7829 (18th May 2017) (Co-written with Chris Gill)
- Episode 7864 (30th June 2017)
- Episode 7885 (21st July 2017)
- Episode 7896 (2nd August 2017)
- Episode 7967 (19th October 2017)
- Episode 7977 (1st November 2017)
- Episode 7999 (27th November 2017)
- Episode 8000 (28th November 2017)