|Portrayed by||Sadie Shimmin|
|Introduced by||Dominic Treadwell-Collins (2015)|
|First Appearance||6 March 2015|
|Last Appearance||7 May 2015|
In an episode dated 6 March 2015, she visits 91A George Street and questions Kat Moon about her drinking habits, after a call from Linda Carter. Kat claims she rarely drinks and Linda says it was a mistake she called them. Hilary unofficially tells a concerned Kat that she can see she and Tommy have a great bond.
In an episode dated 7 May 2015, she visits 45 Albert Square and assess whether or not Ian and Jane Beale can be Beth Williams adoptive parents. She also visits 45 Albert Square for a follow up appointment but Cindy Williams Jnr has changed her mind about Ian and Jane adopting Beth and becomes historical and Hilary thinks Cindy might harm Beth but thinks that Ian and Jane have a strong case for adoption.