ISLAND WHRIL c. 1978
PAGO PAGO (AUS) - ALITWIRL (USA), by YOUR ALIBHAI (USA)

ISLAY MIST () f. 0000
- , by

ISLE OF CAPRI f. 1942
FAIR TRIAL (GB) - CAPRIFOLIA (FR), by ASTERUS (FR)

ISLE OF FORTUNE (BRZ) f. 0000
PRINCE JOHN (USA) - FORTUNATE ISLE (BRZ), by AMBIORIX (FR)

ISMAILIA II f. 1970
AUREOLE (GB) - IN COMMAND (BRZ), by MARCH PAST (BRZ)

ISOLA MADRE (BRZ) f. 2003
KNOW HEIGHTS (IRE) - AUTRICHE (BRZ), by CLACKSON (BRZ)

ISOLATER (GB) c. 1933
BLANDFORD (IRE) - PRISCILLA CARTER (USA), by

ISOLDA (FR) f. 1933
RUSTOM PASHA (GB) - , by

ISOLDE (BRZ) f. 0000
BULL DOG (FR) - FIJI (---), by

ISOLETTE f. 2003
SLEW GIN FIZZ (USA) - CHLORIS (ARG) , by IBERO (ARG)