In May 1904, McNair signed for Celtic. McNair initially played in a variety of positions, but when right-back Donnie McLeod left in 1908, McNair made that position his own. He was an integral part of the Celtic side that won six successive league championships from 1904-05 to 1909-10. McNair had exceptional positional sense and ability to anticipate his opponents moves. He was a precise tackler and had confidence in his ability to dribble the ball out of his own penalty area rather than rashly boot it forward. McNair was a calm and composed personality, and his demeanour earned him the nickname ‘The Icicle’. Willie Maley, the Celtic manager, described McNair as “The coolest, most intelligent player I have sever seen.”
Celtic hero Alec McNair was born in Bo'ness on 26 December 1883, and passed away on 18 November 1951, aged 67.