 The club eventually took the step up to senior status and gained membership of the North Caledonian Football League (then known as the North of Scotland 2nd XI League) in 1971, at which time they became known as Tain St. Duthus F.C., adopting the name of their home town.The club enjoyed their most successful spell under the management of Edwin Skinner between 1977 and 1986, winning six cup competitions during his tenure.Tain St. Duthus competed as members of the league until the club's withdrawal from the association before the start of the 2005–06 season due to financial problems.