This is a round-up of the 1978 Sligo Senior Football Championship. Tourlestrane won their first title in 22 years, after defeating surprise finalists Grange, who had caused a major upset by knocking out the holders and reigning Connacht champions, St. Mary's, in the semi-final after a replay. This final remains not only Grange's only appearance in a Senior final, but the only occasion that a team from North Sligo has reached the final. The Championship structure was changed in this year, from the two-section round-robin method, to a knockout system, where the sides defeated in the opening round played on in their own section, with two sides qualifying for the semi-finals, while two sides from the "winner's section" joined them in the last four. This was the only year that such a backdoor s