Soul Rush is out of Eternal Bouquet (Manhattan Cafe), who is also the dam of Dio (Leontes), a Listed winner and second in the Gr.3 Sekiya Kinen. She is a half-sister to the sire Hiraboku Deep (Deep Impact), winner of the Gr.2 Aoba Sho, and to Wonderful World (Taiki Shuttle), a Listed winner over fences.

Second dam Cat Ali (Storm Cat) was a winner at four in the US and is a half-sister to three black-type performers, the best of them the sire Arkadian Hero (Trempolino), winner of the Gr.2 Mill Reef Stakes and placed in the Grade 1 Atto Mile Stakes.

Third dam Careless Kitten (Caro) won at three.

The fourth dam produced Field Cat (Herbager), winner of the Grade 1 Pan American Handicap, and Beware Of The Cat (Caveat), a Listed winner in the US who was placed in the Grade 2 Del Mar Debutante Stakes. Beware Of The Cat is the dam of the dual Grade 1-winning sire Editor's Note, whose wins include the Grade 1 Belmont Stakes, and of the sire Hold That Tiger, European champion 2-year-old colt and winner of the Gr.1 Grand Criterium. Two more of the fourth dam's daughters are Island Kitty (Hawaii), third in the Grade 1 Matron Stakes, and the unraced Sharp Kitty (Blade).