Age: 28 years, 11 months
Place of Birth: Dundalk
Height: 5' 9"
Stephen is a central midfielder who played with local Dundalk club Quay Celtic before moving to Glasgow Celtic where he spent 18 months before returning to Ireland in January 2010.
He signed for Dundalk in March 2010, making his debut with a second-half substitute appearance at home to Sporting Fingal on 8 June and scoring his first club goal a month later with a bullet header against local rivals Drogheda United at Oriel Park.
Stephen went on to make 9 league appearances throughout the 2010 season and added 13 more in 2011. He fared better in the 2012 season as he made 24 appearances in the league as Dundalk finished eleventh in the league. In 2013 Dundalk turned their fortunes around under new boss Stephen Kenny and finished second in the league, three points behind St Patrick's Athletic. McDonnell made only 4 starts as well as coming off the bench 7 times and was released at the end of the season.
In November 2013, Stephen McDonnell moved to First Division Shelbourne. He made his debut for the Reds on the opening night of the 2014 season in a 2-0 win over Wexford Youths at Tolka Park but he left the club in June 2014 after making 14 league appearances in the First Division, scoring once.