Replying...
Intro. Nicole "Nicky" Reagan-Boyle is the only child of Erin Reagan and Jack Boyle. Nicky is a generally well-behaved and an intelligent girl who dresses, and typically behaves with more maturity than her classmates. She is being raised by her mother Erin, because her father did not want to share custody of her.

Nicky Regan Boyle

@Anandhu