Born in Perth where she attended Perth Grammar School, Clelland began her career at local clubs (youth teammates included future international teammate Lisa Evans)[1] before joining Rangers where she made her senior Scottish Women's Premier League debut.

[3] In June 2015, Clelland transferred to Tavagnacco and in 2016–17 was the highest goal scorer in the Serie A, emulating her compatriot Rose Reilly.

[5] In her first season with La Viola, the team defeated reigning league champions Juventus to win the Supercoppa, but lost the Coppa Italia final and finished runners-up in Serie A to the same opponents.

[7] Clelland has appeared for the Scotland women's national team at all age group levels, beginning with the under-15 side in 2008.

[8] Having continued as a prolific scorer at under-19 level, she made her full Scotland debut in July 2012 against Cameroon.