History

The party was founded in 1955 and took its support from the urban middle class and landowners. It first contested national elections in 1957

Grenadian general election, 1957

General elections were held in Grenada on 24 September 1957. Following the introduction of the new Constitution on 21 December 1959 real authority for governing the country was given to a Chief Minister and those from the majority party in the Legislative Council based on the 1957 elections...

 when it won two of the eight seats, tied with the Grenada United Labour Party

Grenada United Labour Party

-History:The party was founded by Eric Gairy in 1950. It was the only party to contest the first elections held under universal suffrage in 1951, and won six of the eight seats. The 1954 elections saw the same outcome...

 and the People's Democratic Movement

People's Democratic Movement (Grenada)

The People's Democratic Movement was a political party in Grenada. It first contested national elections in 1957, when it was one of three parties to win two seats in the general elections. Despite its success, it did not run in any further elections....

. Its leader Herbert Blaize

Herbert Blaize

Herbert Augustus Blaize was a Grenadian politician and leader of the Grenada National Party. When Grenada was still a British Crown Colony he served as the first Chief Minister from 1960-61, and again, from 1962-67. He became the first Premier of the autonomous Associated State of Grenada briefly...

 became the island's leader as part of an anti-GULP coalition. Although GULP convincingly won the next elections

Grenadian general election, 1961

General elections were held in Grenada on 27 March 1961. Eric Gairy's Grenada United Labour Party won eight of the ten seats, his wife Cynthia Gairy becoming the first woman to be elected to the legislature. George E.D...

 in 1961, taking eight of the ten seats, early elections were held in 1962

Grenadian general election, 1962

General elections were held in Grenada on 13 September 1962. Herbert Blaize's Grenada National Party won six of the ten seats and Blaize was appointed Chief Minister for the second time...

, in which the GNP won six of the 10 seats to return to power. It returned to opposition following the 1967 elections

Grenadian general election, 1967

General elections were held in Grenada on 24 August 1967. The result was a victory for the Grenada United Labour Party, which won seven of the ten seats. Voter turnout was 77.1%.-Results:...

. For the 1976 elections

Grenadian general election, 1976

General elections were held in Grenada on 7 December 1976. The result was a victory for the Grenada United Labour Party of Eric Gairy, which won nine of the 15 seats, whilst the opposition People's Alliance General elections were held in Grenada on 7 December 1976. The result was a victory for the...

 it was part of the People's Alliance alongside the New Jewel Movement

New Jewel Movement

The New Joint Endeavor for Welfare, Education, and Liberation, or New JEWEL Movement, was a Marxist-Leninist vanguard party in the Caribbean island nation of Grenada...

 and the United People's Party. However, they failed to defeat GULP.

In 1984 it merged with the National Democratic Party and the Grenada Democratic Movement to form the New National Party

New National Party (Grenada)

The New National Party is a conservative political party in Grenada. It is led by the Leader of the Opposition, Keith Mitchell.The party was founded in August 1984 through the merger of the Grenada National Party, led by Herbert Blaize, the National Democratic Party, led by George Brizan, and the...

, with Blaize as its leader.