[4] She scored the winning extra–time goal against Watford Ladies to put Everton into that season's FA Women's Premier League Cup final.

[7] Her form in the second part of the 2011 FA WSL season led teammate Rachel Unitt to predict a call–up to the senior England squad.

[15] On January 16, 2021 she won her first trophy as an Atlético player appearing as a 2nd half substitute in their 3-0 win in the Supercopa de España Femenina final against Levante.

[26] On Duggan's 18th birthday, she scored one of the two goals in England's 2009 UEFA Women's Under-19 Championship maiden final win, against Sweden in Belarus.

[27] Duggan completed her first cap for Hope Powell's senior team in England's 3–0 win over Croatia at Bescot Stadium on 19 September 2012.

The team came third in the competition, securing the bronze medal, and were subsequently congratulated by Prince William at a reception held at Kensington Palace.

[31] Duggan was allotted 179 when the FA announced their legacy numbers scheme to honour the 50th anniversary of England’s inaugural international.