Roisin Bollard (born June 23, 2022) is the eldest child of Sarah and Cillian Bollard, who decides to become a third parent.
She has brown long hair, blue eyes,
- Father: Cillian Bollard (1995-)
- Mother: Sarah Bollard (née: Ormsby) (1996-)
- Brothers: Andrew Bollard (2031-), Lorcan Bollard (2032-), William Bollard (2033-)
- Sister: Rachel Bollard (2034-)
- Grandmothers: Lynn Bollard (née: ) ( -), Annie Ormsby (née: Maxwell) ( -)
- Grandfathers: Russell Bollard ( -), Norman Ormsby ( -)
- Her full name is Roisin Jennifer Bollard
- In Christmas 2037, she opened her presents to reveal Princess Diaries book, Sisterhood of the Traveling Pants book, . And in her stocking, she found a makeup kit, .
- For Halloween 2037, she was dressed up as
- Her favorite TV show is Family Guy
- Her dream is to become a teaching assistant