Port
St. Mark’s Football Club commenced in the Port Pirie Football Association in 1910, the year after the club had been formally founded. Information about the early years of this competition has proved difficult to uncover, but it is known that the Bulldogs’ senior grade team had won a total of six post-war premierships by the time they became founder members of the Spencer Gulf Football League in 1961, by which point they had been known as Port for twenty years.
The initial phase of Port’s involvement in the new competition was highly productive, with the side contesting half a dozen of the first ten grand finals, all but one of which ended in victory. However, there then followed a prolonged period of under-achievement which was not brought to an end until a 10 goal grand final defeat of West Augusta in 1997. Following that, the Bulldogs firmly established themselves as one of the SGFL’s leading forces, winning no fewer than seven premierships in eleven seasons. Their most recent grand final appearance came in 2011 when they went down by 25 points to Central.
Source
John Devaney - Full Points Publications