Portadown FC was formed in 1887 as a junior team initially seeking to participate in the Mid-Ulster Cup, with them eventually joining the Irish League with the support of other local clubs in 1924.
They are based in Portadown in County Armagh and play their home matches at Shamrock Park. The club's colours are red and white; their home kit consists of red shirts, red shorts and red socks with white trim on all.
Gibby McKenzie was manager 1957-1963 and again 1969-1977.
Wilbur (Billy) Cush represented Northern Ireland at the 1958 World Cup, scoring the winning goal in their first ever final stages World Cup match, a 1–0 win over Czechoslovakia in Sweden. He played for a number of Northern Ireland teams and also captained Leeds United.