The St Mary's team featured MacNeill's future Ireland teammate Paul Dean.
MacNeill scored a conversion and two penalties in extra time to help seal victory for Blackrock.
[6] MacNeill subsequently attended Trinity College Dublin where he earned a degree in economics and social studies followed by and a diploma in Anglo-Irish literature.
[15][17][18] Together with Tony Ward, Moss Keane, Donal Spring and Ciaran Fitzgerald, MacNeill declined to take part in the 1981 Ireland rugby union tour of South Africa during the apartheid era.
He has also served as chairman of several charities including GOAL, The Ireland Funds and the British Irish Association.
[25] Carroll is a Trinity College Dublin and UCD graduate, Fine Gael politician, barrister and author.
In 2014, MacNeill was appointed chairman of a working group established to help bring the 2023 Rugby World Cup to Ireland.
[30] In February 2020, MacNeill retired from Goldman Sachs to contest the 2020 Seanad election for the Dublin University constituency.
[32] MacNeill was appointed an Honorary Officer of the Order of the British Empire (OBE) in the 2023 Special Honours for services to British-Irish relations.