In August 2018, she was awarded a central contract by New Zealand Cricket, following the tours of Ireland and England in the previous months.[10][11] In October 2018, she was named in New Zealand's squad for the 2018 ICC Women's World Twenty20 tournament in the West Indies.[12][13] Ahead of the tournament, she was named as the player to watch in the team.[14]
In March 2019, she was named as the ANZ International Women's ODI Player of the Year at the annual New Zealand Cricket awards.[15] In January 2020, she was named in New Zealand's squad for the 2020 ICC Women's T20 World Cup in Australia.[16] In February 2022, she was named in New Zealand's team for the 2022 Women's Cricket World Cup in New Zealand.[17]
Kerr's mother Jo and father Robbie both played cricket at domestic level representing Wellington.[21] Her elder sister Jess, who plays for Wellington was, in January 2020, named in New Zealand's national cricket squad against South Africa women.[22] Her grandfather, Bruce Murray, played Test cricket for New Zealand.[23] Her cousin, Cilla Duncan, represented New Zealand (Football Ferns) at international football.[24]
Jess is a teacher at Tawa Intermediate, of which both of the two sisters is an alumna, and Amelia became a teacher aide for autistic students.[25]
^Priscilla Duncan (13 June 2018). "Tweet Number 1006942630138163200". Twitter. Retrieved 13 June 2018. UNBELIEVABLE! My cousin Melie Kerr has just set a WORLD RECORD for the highest score in a one-dayer with 232 not out.. and she's only 17!!!