Republic of Ireland international Brosnan joined Everton in July 2021 on a one-year deal.
She joined the Club following a two year spell with West Ham United where she left upon the expiry of her contract at the end of the 2020/21 season.
Born and raised in New Jersey, Brosnan has experience in competing in the United States during her College career with Syracuse Orange.
The goalkeeper then moved to Europe where she enjoyed three years in France with Ambilly Féminin and Le Havre AC before moving to England.
Brosnan made her Everton debut in the Continental Cup group stage where she was named in the starting line-up for the opening match away to Manchester City in October 2021.
Experienced at international level, Brosnan has become a regular name in the Ireland squad since her debut against Germany in September 2020.
Brosnan made her Everton debut in the Continental Cup and went onto make eight appearances for the Club across all competitions in the 2021/22 campaign.
In June 2022, the keeper signed a new one-year contract.
Contracted until: June 2023