On 22 June 2013 she made her 200th senior appearance in a 3–2 defeat against Canada. On 24 August 2013 Symmons made her 208th and final appearance for Ireland against Scotland at the 2013 Women's EuroHockey Nations Championship. In 2015 Symmons was inducted into the European Hockey Federation Hall of Fame. She was honoured during a half-time ceremony at the 2015 Men's EuroHockey Nations Championship final.