*Club domestic league appearances and goals, correct as of 03:59, 27 December 2023 (UTC) ‡ National team caps and goals, correct as of 15:05, 26 November 2023 (UTC)
Ziu was born on 6 June 2002 and is from Dublin, Ireland. Her father moved to Ireland from Albania in 1998.[1] She began playing soccer at five years old, and joined Rivermount Boys and girls in Finglas where she was the only girl in the team.[1][2]
Ziu represented Ireland at schoolgirl level while she attended Larkin Community College, Dublin City.[9] At the FAI International Football Awards she was named 2018 Under-16 Women's International Player of the Year.[10]
^"Ireland WNT: Kiernan stars in emphatic Northern Ireland win". Football Association of Ireland. 31 August 2018. Retrieved 13 March 2021. Colin Bell handed a senior international debut to Shelbourne Ladies striker Jessica Ziu in the second-half. The 16-year old replaced Wexford Youths striker Jarrett as preparations begin for next year's UEFA 2021 European Championships qualifying campaign.