Delany made her debut for Ireland in a Women's One-Day International (WODI) against New Zealand at Kibworth Cricket Club New Ground in July 2010.
[5] In April 2016, she was named as captain of Ireland replacing Isobel Joyce who stepped down after the 2016 ICC Women's World Twenty20 in India.
[13] In August 2019, she was named as the captain of Ireland's squad for the 2019 ICC Women's World Twenty20 Qualifier tournament in Scotland.
[17][18][19] In November 2021, she was named as the captain of Ireland's team for the 2021 Women's Cricket World Cup Qualifier tournament in Zimbabwe.
[20] In September 2023, it was announced that Delany had signed for North West Thunder for the side's remaining Rachael Heyhoe Flint Trophy matches.