Niall Quinn graduated from the Linfield Academy to the first team squad in March 2012.
He made his first team debut as a late sub in a 2-0 defeat by Glentoran at Windsor Park on Saturday, April 28, 2012.
He scored his first Linfield goal in a 4-0 home win against Lisburn Distillery on Friday September 28, 2012.
Niall was awarded a Testimonial for the 2022-23 season.
He made what turned out to be his final appearance as a sub in a 2-0 away league win against Cliftonville on April 29, 2023.
His final goal came in a 1-0 away league win against Coleraine on April 15, 2023.
On May 11, 2023 Linfield confirmed that Niall would be leaving Linfield on the expiry of his contract later in the month.
Niall won the following honours with Linfield
Irish League winners' medals
2016-17
2018-19
2019-20
2020-21
2021-22
Irish Cup winners' medals
2016-17 v Coleraine
2020-21 v Larne
League Cup Winners' medal
2018-19 v Ballymena
County Antrim Shield winners’ medal
2013-14 v Crusaders
2016-17 v Crusaders
His full statistical record is as follows
2011/12 - 1 appearance as sub
2012/13 - 23 appearances - 1 goal
2013/14 - 29 appearances - 3 goals
2014/15 - 30 appearances (1 as sub)
2015/16 - 30 appearances (14 as sub) - 2 goals
2016/17 - 41 appearances (3 as sub) - 2 goals
2017/18 - 40 appearances (1 as sub) - 2 goals
2018/19 - 46 appearances (7 as sub) - 6 goals
2019/20 - 30 appearances (3 as sub) - 1 goal
2020/21 - 42 appearances (2 as sub) - 6 goals
2021/22 - 32 appearances (11 as sub) - 3 goals
2022/23 - 20 appearances (15 as sub) - 3 goals
Total - 364 appearances (58 as sub) - 29 goals