Because the cats were registered as Abyssinians in the import certificates, and because the Meadows had been breeders of Abyssinian, Burmese, and Siamese, some have speculated that the Singapura is a Burmese/Abyssinian cross and it has even been described as such by CFA Judges.
Karena Singapura terdaftar sebagai ras Abyssinian dalam sertifikat impor, dan karena Meadow telah menjadi peternak kucing ras Abyssinian, Burmese, dan Siamese, beberapa orang telah menduga bahwa Singapura merupakan persilangan ras Burmese/Abyssinian, dan bahkan hal tersebut telah dideskripsikan oleh hakim CFA.