Patricia O’Connor Halloran (November 29, 1914 - July 8, 2003) was an American veterinarian and longtime head caretaker at New York's Staten Island Zoo.

Their wedding took place in Stapleton, Staten Island and was announced in The New York Times society pages.

[2] Then they moved to Staten Island, NY and both worked at John's father's vet clinic.

[3] In 1944 O'Connor was in the news again, for removing an ingrown claw from a nine-year-old African leopard named Tommy.

[5] O'Connor helped found the American Association of Zoo Veterinarians (AAZV), and was its first president from 1946 to 1957.