Jemima Jay (IRE)

Dam of Theo (IRE), Kingston James (IRE), Captain Lob (IRE)

Country: IRE
Sire: Supreme Leader (GB)

Winners (GB & IRE): 4 of 8 runners (50%)
Wins (GB & IRE): 15 from 98 runs
Progeny prize money (GB & IRE): £135,058 GB · €25,133 IRE
Best progeny OR: 142

Progeny

All known progeny


2007	Captain Lob (IRE)	1	D T Hughes	gelding	Luso (GB)	8	1	1	12.5%	-	£0	€7,545	2 Jun 13
2008	Kind Offer (IRE)	0	D T Hughes	mare	Old Vic (GB)	7	0	0	0.0%	91	£0	€0	11 Jul 14
2010	Theo (IRE)	10	Dr Richard Newland	gelding	Westerner (GB)	45	4	3	22.2%	142	£97,817	€17,588	12 Jul 21
2011	O'Grady's Boy (IRE)	0	Gary Hanmer	gelding	Kalanisi (IRE)	20	1	0	0.0%	107	£2,762	€0	7 Oct 24
2014	Westbury (IRE)	1	Oliver Sherwood	gelding	Westerner (GB)	3	0	1	33.3%	-	£2,608	€0	23 Nov 18
2017	Gill's Supreme (IRE)	0	Ross O'Sullivan	mare	Doyen (IRE)	2	0	0	0.0%	-	£0	€0	27 Nov 22
2019	Kingston James (IRE)	3	Lucinda Russell	gelding	Kingston Hill (GB)	9	2	0	33.3%	120	£31,870	€0	11 Apr 25
2021	Crystal Box (IRE)	0	Max Comley	mare	Crystal Ocean (GB)	4	0	0	0.0%	83	£0	€0	4 May 26

Every offspring with a British or Irish run since 1990, oldest first, plus unraced offspring we know of from profiles and forward entries.

Progeny's best wins


21 Mar 25	Kingston James (IRE)	Musselburgh	Racing Post Go North Sea Pigeon Hurdle Series Final (Handicap Hurdle)	Class 2	111	£15,609
29 Nov 20	Theo (IRE)	Leicester	Meetings That Matter On Racing TV Veterans' Handicap Chase	Class 2	139	£14,621
17 Sep 18	Theo (IRE)	Worcester	bestofbritishbeer.co.uk Handicap Chase	Class 2	135	£13,314
22 Aug 18	Theo (IRE)	Worcester	Arctic Spas 20th Year Anniversary Handicap Chase	Class 3	130	£7,408
2 Sep 17	Theo (IRE)	Newton Abbot	Bet totetrifecta Handicap Chase	Class 3	120	£12,660
4 Oct 24	Kingston James (IRE)	Hexham	Greenhead Hotel "National Hunt" Novices' Hurdle	Class 4	-	£4,901
3 Aug 17	Theo (IRE)	Stratford	Ian Bird Memorial Novices' Handicap Chase	Class 4	112	£4,549
23 Jul 17	Theo (IRE)	Newton Abbot	newtonabbotracing.com Handicap Hurdle	Class 4	112	£5,085
2 Jul 17	Theo (IRE)	Uttoxeter	Cashout At bet365 Handicap Hurdle	Class 4	103	£3,574
28 Jun 17	Theo (IRE)	Worcester	shakespearestone.co.uk Conditional Jockeys' Training Series Final Handicap Hu…	Class 4	103	£3,509
9 Mar 24	Kingston James (IRE)	Ayr	Virgin Bet Open National Hunt Flat Race	Class 5	-	£2,451
28 May 18	Westbury (IRE)	Huntingdon	188Bet Live Casino Standard Open National Hunt Flat Race	Class 5	-	£2,274
7 Nov 16	Theo (IRE)	Fairyhouse (IRE)	Book Winter Festival Tickets Online At fairyhouse.ie Handicap Hurdle	Handicap (unclassified)	93	€6,150
17 Mar 16	Theo (IRE)	Down Royal (IRE)	Martinstown Opportunity Handicap Hurdle	Handicap (unclassified)	85	€7,073
2 Jun 13	Captain Lob (IRE)	Kilbeggan (IRE)	Follow Kilbeggan Races on Facebook Maiden Hurdle	Non-handicap (unclassified)	-	€5,175

Top 20 wins, highest grade first.

Produce by sire


Luso (GB)	2007	1	1	1	8	1	12.5%	£0	€7,545	Captain Lob (IRE)
Old Vic (GB)	2008	1	1	0	7	0	0.0%	£0	€0	-
Westerner (GB)	2010-2014	2	2	2	48	11	22.9%	£100,425	€17,588	Theo (IRE)
Kalanisi (IRE)	2011	1	1	0	20	0	0.0%	£2,762	€0	-
Doyen (IRE)	2017	1	1	0	2	0	0.0%	£0	€0	-
Kingston Hill (GB)	2019	1	1	1	9	3	33.3%	£31,870	€0	Kingston James (IRE)
Crystal Ocean (GB)	2021	1	1	0	4	0	0.0%	£0	€0	-

Her known produce grouped by the stallion she was mated with, earliest foal first. Foal years come from age (unraced foals without an age are counted but not dated). GB and IRE records since 1990.

Quick answers

How many winners has Jemima Jay produced?: Jemima Jay (IRE) is the dam of 8 runners in Britain and Ireland since 1990, 4 of them winners, with 15 wins from 98 runs between them. Runs abroad are not included.
Who is the best offspring of Jemima Jay?: On British and Irish black type and ratings, the best offspring of Jemima Jay (IRE) is Theo (IRE), by Westerner (GB), with a best official rating of 142; the top win came in the Meetings That Matter On Racing TV Veterans' Handicap Chase at Leicester on 29 November 2020.
How much prize money have Jemima Jay's offspring won?: The offspring of Jemima Jay (IRE) have earned £135,057 in Britain and €25,133 in Ireland since 1990.
What is Jemima Jay's pedigree?: Jemima Jay (IRE) is by Supreme Leader (GB).
Did Jemima Jay race?: No British or Irish runs are on record for Jemima Jay (IRE) since 1990; runs abroad are not included.
Which stallions has Jemima Jay been mated with?: The known produce of Jemima Jay (IRE) is by 7 different stallions, most often Westerner (GB) (2 foals).

Updated 2026-05-04

Follow Jemima Jay (IRE) in Tracker+

Keep this record close when the next race is declared.

Join RaceWatch

Updated 2026-05-04

Go deeper before the next race.

Open every racecard in full and get your research done before they go to post.

14racecard tabs per race
20+bookmaker prices side by side
Trackeralerts when your horses are declared

30-day free trial

£0today

Start my 30-day free trial

By continuing you agree to our Terms and Intellectual Property and Acceptable Use policy.

£0 today. Card on step 2. £24.99 from day 31.Cancel any time.