Trigo Parade was called after Trigo, who own the Derby in 1929. He was owned by William Barnett. The house builder in the 1920s and 1930s, R.J. McDermott (see advert from 1938) was a keen horse racing fan and who named several streets in East Belfast after winning horses.
"The Committee again considered application, dated 26th ult., from Messrs. Crawford & Lockhart, Solicitors for the Blakiston-Houston Estate Company, that new streets on the above-mentioned estate be named Grand Parade, Ardpatrick Gardens, Blenheim Drive, Trigo Parade, Cicero Gardens, Pommern Parade, Ladas Drive, Ormonde Gardens and Donovan Parade. Resolved – That with the exception of Blenheim Drive the foregoing names be approved, and in the case of Blenheim Drive Messrs. Crawford & Lockhart be requested to submit another name for the Committee’s consideration, in view of the fact that a street having the name Blenheim Street is situated in another area of the city. (22nd July 1930).