| Cattery Name | Cat Name | Color | M/V | Date Birth | Test Results | Specialist | Pedigree Number | Sire / Vader | Dame / Moeder |
| Ocean Love | I am Diamond | BLH ns 21 33 | M | 21-03-'17 | PKD: DNA neg | Animal Health trust | UA WCF PKPK 58/2017/BRI | Ayvengo | Garsiya Baffi |
| O'Uxmal | Lady Madonna | BRI p 03 | V | 22-04-'04 | HCM: neg 17-03-'06 | I. Putcuyps | LIMBRA A04.BRI.019.3 | Rivium's Zorba | Rivium's Wonderfull Cinny |
| O'Uxmal | Merlin | BLH p | M | 10-10-'03 | PKD: neg 02-05-'05 HCM: neg 31-03-'05 HCM: neg 24-03-'06 HCM: neg 23-01-'07 HCM: neg 25-03-'08 | DNA NL M. Vink E. Warmerdam H. Garretsen H. Garretsen | R03.BRI.048.2 | Rivium's Zorba | Rivium's WOnderful Cinny |
| Oakley | Miley of | BLH ny 22 | V | 16-07-'11 | PKD: DNA neg HCM: neg 26-06-'12 | LAboklin No Specialist- M.Schullenberg | Felidea 10046 | Hilde von Hopfenstein | Muru's Enchanting Silver mma |
| Oeba | Adinda van | BRI a | V | 07-03-'00 | PKD: neg 01-06-'01 HCM: neg 01-06-'01 HCM: neg 25-06-'02 HCM: neg 16-12-'03 HCM: neg 04-11-'04 | I. Tiemessen I. Tiemessen I. Tiemessen I. Tiemessen I. Tiemessen | NL.FE.L03.BK.052.2 | Great Pretender Joufflu | Ib Iza Calvaire |
| Oeba | La Gomera van | BRI e 03 | V | 16-01-'00 | PKD: neg 07-09-'01 HCM: neg 07-09-'01 HCM: neg 03-02-'03 | I. Tiemessen I. Tiemessen I. Tiemessen | NI.FE.R00.BK.010.5 | Bonjour Joufflu | Florazel's Goa Cream Girl |
| Oeba | Mati van | BRI a | V | 07-12-'03 | HCM: neg 25-03-'05 | I. Tiemessen | NL.FE.L03.BRI.147.1 | Iricos de Mornay | Maya van Oeba |
| Oeba | Maya van | BRI a | V | 31-10-'01 | PKD: neg 20-05-'03 HCM: neg 20-05-'03 HCM: neg 27-08-'04 | I. Tiemessen I. Tiemessen I. Tiemessen | NL.FE.L01.BRI.151.1 | Bosse van Harvest Moon | Adinda van Oeba |
| Oevertje | Gigi van 't | BRI e | V | 09-08-'05 | HCM: neg 28-09-'06 PKD: neg 30-11-'05 HCM: neg 27-08-'07 HCM: neg 01-09-'08 | M. Schmidt DNA AUS M. Schmidt M. Schmidt | MU.L05.BRI.132.5 | Lambique Joufflu | Fleur van 't Oevertje |
| Okidoki's | Nola Rae | BRI | V | 27-08-'05 | HCM: neg 28-06-'06 | M. Lecluijze | SNVK 05-11-106K | El Gato of the Magic Circle | Spanjer's Jingle Bell |
| Okidoki's | Ushi Hirosaki | BRI b | V | 10-01-'02 | PKD: neg 29-12-'04 HCM: neg 29-12-'04 | H. Garretsen H. Garretsen | SNVK 03-02-085K | El Gato of the Magic Circle | Felidae's Aelea |
| Olly's Nest | Holly of | BLH o | V | 27-07-'04 | HCM: neg 28-07-'05 | I. Putcuyps | R04.LOW.006.1 | Crosby zur Rauberhohle | Xinney of Olly's Nest |
| Olly's Nest | Quivivy of | BRI | V | 15-07-'09 | PKD: neg 30-08-'11 HCM: neg 30-08-'11 | M.Lecluize M.Lecluize | R09.BRI.036.1 | Fyedka tov's mogwai | Intro joufflu |
| Olympiakos | Blizz Confetti | BRI g 02 | V | 12-04-'06 | PKD: neg 18-01-'07 HCM: sus 13-04-'07 21-05-'07 | DNA NL J. Kresken † | RVT 126.251 | Gentleman Paddy van de Haber | Babbete Elise Olympiakos |
| Ommerweg | Jopie van de | BRI a | M | 20-05-'99 | PKD: neg 26-06-'01 HCM: neg 02-10-'01 HCM: neg 25-03-'03 | I.Tiemessen I.Tiemessen I.Tiemessen | NC997234 | Koss Koss van Jadeja | Cassandra van de Stiegert |
| Only Bricat | Daario | BRI p | M | 17-09-'19 | PKD: neg 04-11-'20 HCM: neg 04-11-'20 | N Beijerink N Beijerink | FFS LO 6100/2019/BSH | Victor Royal Edelweiss | Filosofia OnlyBricat |
| Only Ladies | Melody D'Amour | BRI b | V | 23-01-'00 | PKD: neg 22-06-'02 HCM: neg 22-06-'02 | I. Tiemessen I. Tiemessen | MU.L00.BRI.019.3 | Coklat Pahit of Locust Valley | Morgaines Ramona |
| Op Acht | Anouk | BRI a | V | 05-05-'03 | PKD: neg 21-12-'04 HCM :neg 21-12-'04 | M. Schmidt M. Schmidt | NCT 2003-7664 | Kastor van 't Witteveen | British Eyes Ginny |
| Op Acht | Easy Blue | BRI a | V | 04-11-'05 | HCM: neg 21-11-'06 | M. Schmidt | NCT 2005-7805 | Siemagic's Athos | Chestnuts’ Zoë |
| Op Acht | Fame Flower op | BRI w | V | 21-11-'05 | PKD: neg 05-07-'06 HCM: neg 28-11-'06 | DNA DE M. Schmidt | NCT 2005-8104 | Juno-Justin from Roma's Choice | British Eyes Ginny |
| Op Acht | Indy | BRI b | V | 01-08-'06 | HCM: neg 14-08-'07 | M. Schmidt | NCT-2006-7634 | Timo Ramek van Altere | Wanoes van Wamwir tot Woepwoes |
| op Acht | Oilily Oprah | BRI a | V | 26-04-'07 | HCM: neg 15-04-'08 | M. Schmidt | NCT 2007-7560 | Gigi Giorgio van Sawillu | Fame Flower op Acht |
| OrangeBlue | Indian Breeze | BRI | V | 03-05-'05 | HCM: neg 10-07-'12 HCM: neg 16-04-'15 | R.Gerritsen M.Schmidt | KFG-03-10085/09-w | Socrates Da Conte A | OrangeBlue Zelina |
| OrangeBlue | Miss Unvergetable | BRI | V | XX-XX-'XX | PKD: neg 02-12-'06 HCM: neg 30-11-'06 | DNA DE J. Kresken | KFG-03-6469/05-w | Socrates Da Conte A | Harmonie en blue-creme de Sainte Fare |
| OrangeBlue | What's Up | BRI | V | 03-05-'05 | PKD: neg 19-04-'06 HCM: neg 30-11-'06 | DNA DE J. Kresken | KFG-03-6005/05-w | Socrates Da Conte A | OrangeBlue Zelina |
| OrangeBlue | Zelina | BRI a | V | 16-09-'03 | PKD: neg 21-09-'04 HCM: neg 21-09-'04 HCM: neg 17-01-'06 | J. Kresken J. Kresken J. Kresken | KFG-03-4485/03-w | Neelix von Bullerbue | Kylie von Blauen Saphir |
| OrangeBlue | Zorro | BRI a | M | 16-09-'03 | PKD: neg 21-10-'04 HCM: neg 21-10-'04 HCM: neg 24-11-'05 HCM: neg 16-11-'06 HCM: neg 15-11-'07 HCM: neg 27-11-'08 | H. Garretsen H. Garretsen H. Garretsen M. Schmidt M. Schmidt M. Schmidt | KFG-03-4486/03-M | Neelix von Bullerbue | Kylie vom Blauen Saphir |
| Orangienbaum | Edgar Allen Poe v. | BRI e 03 | M | 5-05-'19 | PKD: neg 7-03-'20 HCM: neg 7-03-'20 | Hopfner Hopfner | 92019256 | Kamapesa Nilow | Clara Million Reasons |
| Orsacchotti | Gigi van | BRI c | V | 01-07-'15 | PKD: neg 9-06-'17 HCM: neg 9-06-'17 | Vandevelde | NVVK 15-09-047HL | Goldfever's golden Xavier | hartje Indy of Tynogejest |
| Orsetti Blue | Farangina | BSH | V | 05-04-'20 | HCM: neg 14-05-21 | N Beijerink | IT* ANFI LO 165764 | Ray's of Hope Collin | Bacardi Orsetti Blue |
| Osatee | Fay van | BRI c | V | 02-08-'05 | PKD: neg 31-07-'06 HCM: neg 31-07-'06 | M. Lecluijze M. Lecluijze | SNVK 05-10-083K | 2000 Light Years Karel Sjimmie | Shabaloe's Angel |
| Osatee | Fiep van | BRI c | V | 02-08-'05 | PKD: neg 09-03-'06 | DNA AUS | SNVK 05-10-084K | 2000 Light Years Karel Sjimmie | Shabaloe's Angel |
| Osatee | Fleur van | BRI b | V | 02-08-'05 | PKD: neg 30-11-'05 | DNA AUS | SNVK 05-10-080K | 2000 Light Years Karel Sjimmie | Shabaloe's Angel |
| Osatee | Flip van | BRI b | M | 02-08-'05 | PKD: neg 09-03-'06 HCM: neg 15-09-'06 HCM: neg 31-08-'07 HCM: neg 06-08-'08 PKD: neg 17-07-'09 HCM: neg 17-07-'09 HCM: neg 16-06-'10 HCM: neg 18-07-'11 HCM: POS 12-03-'13 | DNA AUS I. Putcuyps V. Bavegems V. Bavegems V. Bavegems V. Bavegems V. Bavegems B.Vandevelde B.Vandevelde | SNVK 05-10-070K | 2000 Light Years Karel Sjimmie | Shabaloe's Angel |
| Osatee | Duvel van | BRI p 03 | M | 09-08-'15 | HCM: POS 04-04-'17 | spoed verwijs kliniek | NVVK 15-11-050HL | Dusty von Seiferts | Phaylina of Tikamanana |
| Osatee | Floor van | BRI b | V | 02-08-'05 | PKD: neg 31-07-'06 HCM: neg 31-07-'06 | M. Lecluijze M. Lecluijze | SNVK 05-10-081K | 2000 Light Years Karel Sjimmie | Shabaloe's Angel |
| Osatee's | Nanouche | BRI p | V | 15-09-'07 | PKD: neg 08-12-'08 HCM: neg 08-12-'08 | M. Lecluijze M. Lecluijze | SNVK 07-11-108K | Dusty von Seiferts | Van Osatee Fiep |
| Osatee's | Noshy van | BRI p | M | 15-09-'07 | PKD: neg 05-08-'08 HCM: neg 05-08-'08 | B. Vandevelde B. Vandevelde | SNVK 07-11-107K | Dusty von Seiferts | Van Osatee Fiep |
| Ostseestern | Fairy Tale vom | BRI | V | 10-06-'12 | PKD: neg 09-09-'14 HCM: neg 04-9-'14 | Kesken Kresken | 19-240 | Nabucco von Starrenberg | Caty com Ostseestern |
| Ottenthal | Enrico vom | BRI d 33 | M | 09-07-'08 | HCM: neg 29-05-'09 HCM: neg 15-11-'10 | H.Vinck B. Vandevelde | (D)RVDE 10602208 | Uranus vom Ottenthal | Venus vom Ottenthal |
| Ottenthal | Estelle vom | BRI d 33 | V | 09-07-'08 | HCM: neg 15-11-'10 | B. Vandevelde | (D)RVDE 10602211 | Uranus vom Ottenthal | Venus vom Ottenthal |
| Oudenbosch | Elliot van den | BRI es 33 | M | 29-04-'09 | HCM: neg 15-11-'10 | B. Vandevelde | BCF.1008.160.BRL | Brandy Brando van den Oudenbosch | Feroesti's Sanoah Bellaluna |
| Oudenbosch | Honey-bear's Mochito van den | BRI | M | 29-04-'09 | HCM: pos 31-01-'14 | I.Putcuyps | XX volgt | Romeo Purple Verona | Casy-cyla of exquise |
| Oaxaca | Duquesa Rubia d' | BRI ny 11 | V | 17-04-'08 | HCM: neg 15-06-'12 | Kresken | MU.L08.BRI.059.3 | Volcano Rubio d'Oaxaca | Naomi of Isle of Glass |
| Oaxaca | Gold Troubadour d' | BRI | M | 12-09-'13 | HCM: neg 21-07-'15 | Kresken | KFG-03-3728-m | Phelan Pelayo de Gatto Rey | Duquesa Rubia d'Oaxaca |
| Oaxaca | Noblesse bleue d' | BRI | V | 12-05-'11 | HCM: neg 28-02-'13 | Kresken | KFG-03-12534/11-w riex | Marty vom Azaleengrund | Gold Amidala d'Oaxaca |
| Oaxaca | Volcano Rubio d' | BRI ny 11 | M | 18-02-'06 | HCM: neg 25-01-'11 | Kresken | MU.L06.BRI.039.1 | Gucci of Emmeli's Edition | Gold Rubinia d'Oaxaca |