Josie Carroll (born December 8, 1957 in Scarborough, Ontario) is a Canadian Thoroughbred horse trainer and the first woman trainer to win the Queen's Plate, the oldest thoroughbred horse race in Canada and Canada's most prestigious race.
Maurice Zilber (c. 1920 – 21 December 2008) was a thoroughbred horse trainer born and raised in Cairo, Egypt to a Turkish mother and a French-Hungarian father.
 He trained horses in Egypt from 1946 to 1962, and then moved to France where he worked for another 43 years.
LeRoy S. Jolley (born 1937 in Hot Springs, Arkansas) is a United States Hall of Fame Thoroughbred horse trainer.
 The son of horse trainer Moody Jolley, LeRoy Jolley has been around horses all his life at age nineteen received a New York State trainer's license.
James Gordon Rowe Sr. (1857 – August 2, 1929) was an American jockey and horse trainer elected to the Hall of Fame for Thoroughbred Horse racing.
 He won the Belmont Stakes twice as a jockey and 8 times as a trainer.
 He had 34 champion horses to his credit, more than any other trainer in the Hall of Fame.
Hubert "Sonny" Hine (January 9, 1931 – March 17, 2000) was an American Hall of Fame Thoroughbred horse trainer best known as the trainer of 1998 U.S. Horse of the Year, Skip Away.
Geoff Wragg (9 January 1930 – 15 September 2017) was a Thoroughbred horse trainer who trained champion horses such as Teenoso and Pentire.
 He was the son of former jockey and trainer Harry Wragg, from whom he took over the licence at Abington Place, Newmarket in 1983 upon his father's retirement.
 Wragg retired in 2008 after 25 years of training and sold Abington Place to Sheikh Mohammed bin Khalifa Al Maktoum the following spring.
 He relocated to Yorkshire, the birthplace of his late father, Harry Wragg.
 He died in 2017.
James A. "Jimmy" Jerkens (born January 24, 1959 in Bay Shore, New York) is an American Thoroughbred horse trainer.
 His father, U.S. Racing Hall of Fame inductee H. Allen Jerkens, and brother, Steve Jerkens, are also trainers.
Sir Michael Ronald Stoute (born 22 October 1945, in Barbados) is a Barbadian British thoroughbred horse trainer in flat racing.
 Stoute, whose father was the Chief of Police for Barbados, left the island in 1964 at the age of 19 to become an assistant to trainer Pat Rohan and began training horses on his own in 1972.
 His first win as a trainer came on 28 April 1972 when Sandal, a horse owned by Stoute’s father, won at Newmarket Racecourse in England.
 Since then, he has gone on to win races all over the globe, including victories in the Dubai World Cup, the Breeders Cup, the Japan Cup and the Hong Kong Vase.
Mark R. Frostad (born January 19, 1949) is a Canadian thoroughbred horse trainer.
 Born in Brantford, Ontario, he grew up with a father who owned a stud farm but before becoming involved in thoroughbred horse racing, Frostad obtained a BA degree in literature from Princeton University then in 1976 an MBA degree from the University of Western Ontario in London, Ontario.
Bay Shore is a hamlet and census-designated place (CDP) in the Town of Islip, Suffolk County, New York, United States.
 It is situated on the South Shore of Long Island, adjoining the Great South Bay.
 In 2008, Bay Shore celebrated the 300th anniversary of the purchase of the land from the Secatogue Native Americans.
 The population of the CDP was 26,337 at the time of the 2010 census.

Question: In what county is the birthplace of a thoroughbred horse trainer born January 24, 1959 located?
Answer: Suffolk County