The announcement was made at the IRFU's annual Council meeting at Dublin's Berkeley Court hotel on Friday evening.
Andy Crawford has bridged a 93-year gap by becoming the first member from Dungannon FC since Major Robert Stevenson in season 1912/13, to be enrolled as President of the Irish Rugby Football Union.
A retired clothing manufacturer, who lives in Portadown, County Armagh with wife Joan, father of two Andy assumes the highest office in Irish rugby after a distinguished career as a player and administrator.
He was also chosen to play for the Rest of Ireland against the Combined Universities and played in the Irish Final Trial in 1969-70.
President of Dungannon in 1983-84 and Ulster Branch President in 1989-90, Andy is a long serving member on the IRFU Committee, where for 13 years he has made a rich contribution to a variety of key sub-committees, most notably in the areas of youth development, the Celtic and AIB Leagues and all areas of the domestic game.