|Name:||Nicole "Nicky" Reagan-Boyle|
|Parents:|| Erin Reagan (mother) |
Jack Boyle (father)
|Grandparents:|| Frank Reagan (grandfather) |
Mary Reagan (grandmother, deceased)
|Great-Grandparents:||Henry Reagan (great-grandfather)|
|Cousins:|| Jack Reagan (cousin) |
Sean Reagan (cousin)
|Other Relatives:|| Joe Reagan (uncle, deceased) |
Danny Reagan (uncle)
Jamie Reagan (uncle)
|Played by:|| Marlene Lawston (pilot) |
Sami Gayle (ep.2-present)
|First appearance:||Pilot (1x01)|
Nicole "Nicky" Reagan-Boyle is the only child of Erin Reagan and Jack Boyle. Nicky has said that she wants to become the first female Reagan cop. Nicky is well-behaved and intelligent girl who dresses and behaves like a thirty-some odd year old. She is being raised by her mother Erin.
As of season 6, Nicky is attending Columbia University, her mother's alma mater.
- Turn 16 years old in Old Wounds (2012) which makes year of birth 1996.
- Has a close relationship to her grandfather Frank Reagan, who is said to be more of a father to her than her own dad.
- She is the perfect daughter. She also wants to join the family business as the first female police officer in the Reagan family. Right after she finish college.
- She is kidnapped by a serial killer in Season Six, episode 20 "Down the Rabbit Hole," the same episode where it's shown she's dating a NYC cop.