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The Oldenburg Registry North America and International Sporthorse Registry (ISR-Oldenburg NA) - was founded in 1983. North America needs an independent Sport Horse Breed Organization which works on the basis of 200 years of European experience and as successful as European registries. America needs its own source for the sport horses of the future!

The ISR - Oldenburg Registry N.A. is North America's largest independent Sport Horse Breeding Organization which complies to the highest international standards for modern sport horse breeding:

  • Open books for all approved sport horse blood lines from North America and Europe
  • Mandatory inspection of all stallions, mares and foals
  • Mandatory stallion performance tests according to European / German standards
These three standards helped to achieve our top quality of sport horses bred in North America!
The Registry conducts a sophisticated, competitive breeding program through the careful selection, testing and approval of stallions and mares and through the evaluation and registration of offspring.

The Registry's breeding goal to produce modern sport horses, competitive to the horses from Europe and most suitable for dressage or hunter and jumping sports has been achieved.

News
USDF Dressage Finals Winners 11/14/25
Congratulations to the winners of the High Point Oldenburg Awards at the USDF Dressage Finals!

Silhouette
FEI Levels, JR/YR division, Prix St. Georges, 3rd Place, 64.804%
Owner: Jonni Allen, MO, Breeder: Teresa Tovrea, MO

Farrah
National Levels, AA division. First Level, 2nd place, 72.685%
Owner: Jonni Allen, MO, Breeder: Teresa Tovrea, MO

Nicene
FEI Levels, AA division:
- Intermediate I, 5th place, 66.783%
- Prix St. Georges, 7th place, 64.608%
Owner / Breeder: Heather Mason, NJ

CF Debutante
FEI Levels, Open division, Intermediate I, 8th place, 64.608%
Owner: Margaret Stern, FL, Breeder: Gina Benson Cook, FL

The winners will receive a nice saddle pad from the Registry.
Stallion Directory 2026 online! 11/04/25
We uploaded all 2026 approved stallions to the Detailed Stallion List with links to the Performance and USDF site and to the stallions' photos. Members find more infos (registered foals, test results, pedigrees etc.) about each stallion in the MEMBER section.

If you breed to one of these stallions in 2026 there won't be any breeding permit fee. Foals being presented at the dam's side do not need to get DNA typed!
USDF Awards of 2025 are online 11/03/25
You'll find them under AWARDS. Congratulations to our breeders and owners!
The champion of each class and level will receive a wonderful silver platter. USDF will mail custom medals on an embossed neck ribbon to each champion and reserve champion.
Phenix Awards 10/15/25
Congratulations to the winners of the 2025 PHENIX Awards!

Thank you to Angie Mirarchi for the wonderful awards!
[ more ]
All Premium Foals/Mares and High Score Foals/Mares are online! 10/15/25
You now find ALL 2025 Premium Foals/Mares and High Score Foals/Mares online! Please check under AWARDS.

The foals/mares received a Premium plaque at the inspection.
High Score Foals and Mares were awarded with a ribbon.
2025 Approved Stallions 10/06/25
Congratulations! These stallions have been approved in 2025.
More to follow.

Balou Blue Van'T Langeveld Z, ESI Show Jumpers Inc., Brittni Raflowitz,FL
Baseballnbourbon, Cozy Fields Farm, Heather Hayes, CT
Bingotti, Kathleen A. Swalwell, MI
Caherlistrane Bawn Jewel, Keystone Sporthorses, Amanda Tourtellot, CT
Candescent, Elisebeth Hare, CO
Celestial Ranger, Hagen Sport Horses LLC, Julie Hagen, MD
Commander Bond, ESI Show Jumpers Inc., Brittni Raflowitz,FL
Creme De Mon Coeur, Golden Heart Stables Inc., Lisa Francis, QC
Edenhofs Piccolo*, L & D Farm L.L.C., Sarah E. Templin, MI
El Chapo 5, Wolf Equestrian LLC, Rachel Wolf, MN
Emerald Silver, Opening Bell Sporthorses LLC, Valerie Kalderon, FL
G-Pandorado Z, ESI Show Jumpers Inc., Brittni Raflowitz,FL
Heroic Measures, Helen Isabella, Heston, KY
Kankan, ESI Show Jumpers Inc., Brittni Raflowitz,FL
KNJ Dream Khatcher, Kara & John Creswell, WY
Mambo No 5, Golden Heart Stables Inc., Lisa Francis, QC
Obelix REN, JAAW Equine, LLC, Adrian Ward, UT
Quillane Accolade*, Wolf Run Farm South, Jeanette Knight, FL
Rainbow's End Pirates Gold, Fearless Equestrian, Emilia Quaggiotto, ON
Redbull 33 VDH, ESI Show Jumpers Inc., Brittni Raflowitz,FL
Sunshine, Coalcyn Equestrian LLC, Josh Albrecht, CA
Tak for Farven, Kaitlin Hartford & Elly Schobel, FL
Taraco Mourinho*, Wolf Run Farm South, Jeanette Knight, FL
Wanderlust Twosday, Red Fox Run Farm, Patricia Hall, FL
WHW Truly Charmed, Willow Hill, Jaci Baxter, TX
Registration without inspection through the mail 10/03/25
If you do not have the chance to come to an inspection or if you want to register an older horse, contact the office at isreg@aol.com for forms to register your horse by mail.

Registration by mail is also possible for OLDENBURG NA horses.
[ more ]
Do you have any eligibility questions? 09/09/25
If you don't know, if your mare is eligible for approval or your foal eligible for registration, feel free to call us at 815-899-7803 or send an email to isreg@aol.com
2025 Tour Schedule -Changes and additions 09/08/25
Check here and under INSPECTIONS for later changes and updates.

You need to enroll with the host at least FOUR weeks prior to the inspection.

All ISR and Oldenburg NA foals can also get registered by mail. Contact the registry for forms.

Check here for CHANGES and ADDITIONS:
[ more ]
Congratulations to our approved and formerly approved Pony Hunter Sires! 02/26/25
[ more ]
Congratulations to our breeders and former breeders! 02/05/25
USEF Leading Breeders 2024 [ more ]
Congratulations to our approved and formerly approved stallions! 01/09/25
USEF Leading Sires 2024 [ more ]
New Mailing address! 09/23/19
Make sure to submit your forms and paperwork via mail to the new address:

ISR-Oldenburg Registry NA
P.O. Box 504
Sycamore, IL 60178


For UPS and FEDEX send to:
ISR-Oldenburg NA
c/o Lisa Lamb
17726 Plank Rd.
Sycamore, IL 60178