| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| HAYDON SAPHIRE - HSH | Mare | BROWN | 885 | 01/08/1949 | Stud Book | Deceased |
| HAYDON SATELLITE (AUS) - HSH | Gelding | CHESTNUT | 184326 | 22/10/2006 | Stud Book | Not Eligible |
| HAYDON SATURN - HSH | Stallion | BAY | 188626 | 21/09/2008 | Stud Book | Eligible |
| HAYDON SCENT - HSH | Mare | BAY | 144303 | 24/01/1999 | Stud Book | Eligible |
| HAYDON SCUD - HSH | Stallion | CHESTNUT | F153278 | 04/12/1999 | Foal Recorded | Not Eligible |
| HAYDON SECRET LASS - HSH | Mare | BAY | 120934 | 24/10/1989 | Stud Book | Deceased |
| HAYDON SECRET NIGHT - HSH | Mare | BROWN | 194875 | 26/08/2010 | Stud Book | Not Eligible |
| HAYDON SHAMROCK - HSH | Stallion | BAY | F27648 | 17/09/1980 | Foal Recorded | Not Eligible |
| HAYDON SHAQUANA - HSH | Mare | BROWN | 144309 | 16/10/1998 | Stud Book | Eligible |
| HAYDON SHIMMER - HSH | Mare | BROWN | 233241 | 19/11/2013 | Stud Book | Eligible |
| HAYDON SHINE - HSH | Mare | CHESTNUT | 184696 | 20/12/2006 | Stud Book | Eligible |
| HAYDON SHINE II - HSH | Mare | CHESTNUT | C1-259313 | 20/02/2022 | First Cross | Eligible |
| HAYDON SHOW CASE - HSH | Mare | BAY | 129657 | 15/10/1994 | Stud Book | Not Eligible |
| HAYDON SHOWER - HSH | Mare | CHESTNUT | 171362 | 05/11/2003 | Stud Book | Eligible |
| HAYDON SIESTA - HSH | Stallion | BROWN | 197737 | 10/10/2011 | Stud Book | Eligible |
| HAYDON SIGNATURE - HSH | Gelding | BAY | 171364 | 15/09/2003 | Stud Book | Deceased |
| HAYDON SILENT NIGHT - HSH | Mare | BROWN | 229703 | 20/10/2012 | Stud Book | Not Eligible |
| HAYDON SILVER CHARM - HSH | Mare | BROWN | 118494 | 09/11/1991 | Stud Book | Deceased |
| HAYDON SIMANDA - HSH | Mare | BAY | 220491 | 28/10/1987 | Stud Book | Not Eligible |
| HAYDON SKY JEWEL | Mare | BROWN | C1-246805 | 15/09/2007 | First Cross | Eligible |
| HAYDON SKYLIGHT - HSH | Stallion | BLACK | 142381 | 26/09/1997 | Stud Book | Not Eligible |
| HAYDON SKYLINE - HSH | Gelding | BROWN | 182283 | 28/09/2005 | Stud Book | Eligible |
| HAYDON SOLVITA | Mare | CHESTNUT | C2-246806 | 26/09/2015 | Second Cross | Eligible |
| HAYDON SONAR - HSH | Mare | BAY | 229701 | 01/10/2012 | Stud Book | Not Eligible |
| HAYDON SONIC - HSH | Stallion | BAY | 229707 | 06/11/2012 | Stud Book | Eligible |
| HAYDON SPANISH JET - HSH | Mare | BROWN | 229114 | 10/10/2004 | Stud Book | Eligible |
| HAYDON SPARKLE - HSH | Mare | CHESTNUT | 162308 | 17/12/2001 | Stud Book | Eligible |
| HAYDON SPECIAL JEWEL - HSH | Mare | BAY | 165592 | 02/12/2002 | Stud Book | Eligible |
| HAYDON STANZA - HSH | Gelding | BROWN | F233242 | 20/10/2013 | Foal Recorded | Not Eligible |
| HAYDON STAR | Mare | BAY | 886 | 01/08/1954 | Stud Book | Deceased |
| HAYDON STAR JEWEL - HSH | Mare | BROWN | 102117 | 27/08/1982 | Stud Book | Deceased |
| HAYDON STAR NIGHT - HSH | Mare | BROWN | 66932 | 25/10/1981 | Stud Book | Deceased |
| HAYDON STELLAR - HSH | Mare | BAY | 253242 | 16/10/2017 | Stud Book | Not Eligible |
| HAYDON STRATA | Mare | BROWN | 53110 | 08/09/1977 | Stud Book | Deceased |
| HAYDON SUMMIT - HSH | Stallion | BROWN | 184700 | 10/10/2006 | Stud Book | Eligible |
| HAYDON SUN CHARM - HSH | Mare | BAY | 106975 | 16/09/2002 | Stud Book | Eligible |
| HAYDON SUN DIAL - HSH | Mare | BAY | 123044 | 02/09/1992 | Stud Book | Deceased |
| HAYDON SUN DRAW - HSH | Mare | BAY | F146459 | 17/11/1998 | Foal Recorded | Not Eligible |
| HAYDON SUN FLOWER - HSH | Mare | BROWN | F134012 | 28/10/1995 | Foal Recorded | Not Eligible |
| HAYDON SUN GEM - HSH | Mare | BROWN | 125906 | 29/10/1993 | Stud Book | Not Eligible |
| HAYDON SUN GLOW - HSH | Mare | BROWN | F123050 | 29/12/1992 | Foal Recorded | Not Eligible |
| HAYDON SUN GUN - HSH | Stallion | CHESTNUT | 111833 | 21/08/1988 | Stud Book | Not Eligible |
| HAYDON SUN ROSE - HSH | Mare | BROWN | 134007 | 24/09/1995 | Stud Book | Eligible |
| HAYDON SUNBEAM - HSH | Gelding | BROWN | 118741 | 04/11/1990 | Stud Book | Not Eligible |
| HAYDON SUNBURST - HSH | Mare | CHESTNUT | 125908 | 30/12/1993 | Stud Book | Eligible |
| HAYDON SUNLIGHT - HSH | Mare | BAY | 236787 | 22/09/2014 | Stud Book | Eligible |
| HAYDON SUNNY JEWEL - HSH | Mare | BROWN | 115410 | 02/08/1988 | Stud Book | Not Eligible |
| HAYDON SUNRISE - HSH | Mare | BROWN | 100016 | 12/11/1986 | Stud Book | Deceased |
| HAYDON TAHINI - HSH | Stallion | BROWN | 182284 | 01/09/2005 | Stud Book | Eligible |
| HAYDON TALISMAN - HSH | Stallion | CHESTNUT | F158064 | 20/10/2000 | Foal Recorded | Not Eligible |
| HAYDON TANGERINE - HSH | Mare | CHESTNUT | 233243 | 20/02/2014 | Stud Book | Not Eligible |
| HAYDON TARTAN - HSH | Stallion | BROWN | 182280 | 05/10/2005 | Stud Book | Not Eligible |
| HAYDON TAURUS - HSH | Stallion | BROWN | F43958 | 07/10/1987 | Foal Recorded | Not Eligible |
| HAYDON TEA ROSE - HSH | Mare | BROWN | 182276 | 26/09/2005 | Stud Book | Eligible |
| HAYDON TECHNO - HSH | Gelding | BAY | 229709 | 14/10/2012 | Stud Book | Eligible |
| HAYDON TECHTONIC - HSH | Stallion | BAY | 197739 | 02/11/2011 | Stud Book | Not Eligible |
| HAYDON TEICHSMAN - HSH | Stallion | BROWN | F162304 | 03/10/2001 | Foal Recorded | Not Eligible |
| HAYDON TERANGHI - HSH | Gelding | BROWN | 102113 | 15/11/1984 | Stud Book | Deceased |
| HAYDON THE DON - HSH | Stallion | BROWN | 193727 | 25/10/1998 | Stud Book | Deceased |
| HAYDON TIARA - HSH | Mare | BROWN | 27953 | 20/09/1973 | Stud Book | Deceased |
| HAYDON TIFFANY - HSH | Mare | BROWN | 146457 | 05/11/1998 | Stud Book | Eligible |
| HAYDON TIME PIECE - HSH | Gelding | BROWN | 115411 | 11/11/1988 | Stud Book | Not Eligible |
| HAYDON TOPAZ II - HSH | Mare | BAY | 883 | 01/08/1960 | Stud Book | Deceased |
| HAYDON TOPAZ III - HSH | Mare | BAY | 66925 | 03/03/1982 | Stud Book | Not Eligible |
| HAYDON TORCH - HSH | Stallion | BROWN | 177145 | 04/08/2004 | Stud Book | Not Eligible |
| HAYDON TOURMALINE - HSH | Mare | BROWN | 137015 | 30/11/1996 | Stud Book | Eligible |
| HAYDON TOURNAMENT - HSH | Gelding | BLACK | 184698 | 20/09/2006 | Stud Book | Eligible |
| HAYDON TRALEE - HSH | Mare | BROWN | 27951 | 10/12/1973 | Stud Book | Not Eligible |
| HAYDON TREASURE - HSH | Mare | BAY | 236788 | 06/09/2014 | Stud Book | Eligible |
| HAYDON TREASURE DRAW - HSH | Mare | BROWN | 145758 | 07/10/1998 | Stud Book | Deceased |
| HAYDON TRIBELLA - HSH | Mare | BROWN | 878 | 01/08/1956 | Stud Book | Deceased |
| HAYDON TRICKLE - HSH | Stallion | BROWN | 165595 | 10/11/2002 | Stud Book | Not Eligible |
| HAYDON TRINGLE | Mare | BROWN | 26243 | 15/08/1972 | Stud Book | Eligible |
| HAYDON TRINKET - HSH | Mare | BAY | 199 | 01/01/1967 | Stud Book | Deceased |
| HAYDON TRISTAN - HSH | Stallion | BROWN | F41236 | 29/08/1985 | Foal Recorded | Not Eligible |
| HAYDON TULIP | Mare | BROWN | 25466 | 06/05/1973 | Stud Book | Not Eligible |
| HAYDON ULYSSES - HSH | Stallion | BROWN | 184699 | 24/09/2006 | Stud Book | Eligible |
| HAYDON UNIVERSE - HSH | Stallion | BROWN | F146462 | 08/10/1998 | Foal Recorded | Deceased |
| HAYDON VANITY FAIR - HSH | Mare | BROWN | 197742 | 04/12/2011 | Stud Book | Eligible |
| HAYDON VELVET - HSH | Mare | BROWN | 165599 | 10/10/2002 | Stud Book | Eligible |
| HAYDON VENTER - HSH | Stallion | BROWN | 165594 | 29/10/2002 | Stud Book | Not Eligible |
| HAYDON VENUS - HSH | Mare | BROWN | 142374 | 23/09/1997 | Stud Book | Deceased |
| HAYDON VENUS II | Mare | BROWN | C1-246808 | 25/08/2016 | First Cross | Eligible |
| HAYDON VICTORIANA - HSH | Mare | BROWN | 165587 | 03/10/2002 | Stud Book | Eligible |
| HAYDON VICTORRIO - HSH | Gelding | CHESTNUT | 229711 | 12/01/2013 | Stud Book | Not Eligible |
| HAYDON VIKING - HSH | Gelding | CHESTNUT | 233244 | 19/08/2013 | Stud Book | Eligible |
| HAYDON VINTAGE - HSH | Stallion | BROWN | 244172 | 11/11/2016 | Stud Book | Eligible |
| HAYDON VIOLET - HSH | Mare | BAY | 165588 | 15/09/2002 | Stud Book | Not Eligible |
| HAYDON VIRGO - HSH | Mare | CHESTNUT | 188622 | 12/10/2008 | Stud Book | Eligible |
| HAYDON VITAL - HSH | Mare | CHESTNUT | 231869 | 02/09/2011 | Stud Book | Eligible |
| HAYDON VORTEX - HSH | Stallion | BAY | 240646 | 05/11/2015 | Stud Book | Eligible |
| HAYDON VOSS - HSH | Gelding | BROWN | 153279 | 24/11/1999 | Stud Book | Eligible |
| HAYDON WANDERER - HSH | Mare | BROWN | 115421 | 23/11/1989 | Stud Book | Not Eligible |
| HAYDON WAR HORSE - HSH | Gelding | BROWN | 236789 | 09/11/2014 | Stud Book | Eligible |
| HAYDON WASP - HSH | Stallion | BROWN | F36926 | 02/08/1983 | Foal Recorded | Not Eligible |
| HAYDON WEDDING DAY - HSH | Mare | BAY | 145760 | 09/12/1998 | Stud Book | Not Eligible |
| HAYDON WIDDEN LASS | Mare | BAY | 880 | 01/08/1955 | Stud Book | Deceased |
| HAYDON WIDGET - HSH | Gelding | BAY/BROWN | F134014 | 20/09/1995 | Foal Recorded | Not Eligible |
| HAYDON WILLOWY LASS - HSH | Mare | BAY | 34693 | 11/09/1974 | Stud Book | Deceased |
| HAYDON WINGS | Mare | PALOMINO | 881 | 01/08/1955 | Stud Book | Deceased |