The club claimed their first rugby union premiership in 1912 and went back - to - back in 1913 .
Coach Mick McGrath decided to name the team the Tweed Heads Seagulls .
The Tweed Heads Seagulls claimed Tweed Heads Seagulls ' first rugby union premiership in 1912 and went back - to - back in 1913 .
Coach Mick McGrath decided to name the team the Tweed Heads Seagulls .