Molumby was born in Cappoquin. He started his career at Railway Athletic before playing for a short period for Villa FC. Afterwards he returned to the club which developed him from a very young age, Railway. He spent a season at Railway Athletic before joining Brighton in 2015.
Club career
Brighton & Hove Albion
Development side
Molumby became a key part of the Brighton youth teams, playing for both the under-23s and the under-18s. He played in the EFL Trophy in 2016–17 season, including the last-16 match against Coventry City which saw Brighton knocked out. He also played in the semi-final of the Sussex Senior Challenge Cup.
2017–18
Molumby made his debut for the Seagulls' first team on 22 August in an EFL Cup second round match against Barnet, starting the move that led to the only goal of the game. He made his second appearance for the senior side in the next round of the EFL Cup, playing 120 minutes against Bournemouth alongside fellow Irishman Dessie Hutchinson.
On 23 July 2019, Molumby joined Millwall on loan for the duration of the 2019–20 season. On 13 August Molumby made his Millwall debut in the first round of the EFL Cup where he started in the 2–1 away win over West Brom. 8 days later, Molumby made his career league debut coming on as a sub in a 4–0 away defeat to Fulham in the Championship. After impressing with Millwall, Molumby signed a new 3.5 year contract with Brighton in early March 2020. Molumby scored his first career goal on 18 July scoring the last of the seven goal thriller away at QPR where Millwall lost 4–3 ending The Lions play-off hopes.
International career
Molumby was called up to the Irish under-15 panel for the 2013–14 season. He was included in the Republic's under-16 squad for a four nation tournament in Netherlands, taking on United States, Czech Republic and Netherlands. On 20 March 2016, Molumby was given the under-16 International Player of the Year award for 2015. Molumby spent time as captain of Ireland's under-17 team. He scored the winning goal in a match against Finland. He scored his first under-19 goal against Austria on 6 September 2016. On 14 March 2017, he was nominated for the under-17 International Player of the Year for 2016, losing out to Declan Rice of West Ham United. Molumby was included in Stephen Kenny's first Ireland under 21 squad in March 2019 for a European qualifier vs Luxembourg. He was named captain of the side and continued to captain Ireland at the 2019 Toulon Tournament where Ireland came fourth losing Mexico on penalties in the third-place playoff game. Molumby has since captained the side to wins over Armenia and Sweden to put Ireland top of their group.
Style of play
Molumby is comfortable playing in any form of central midfield role, be it attacking or defensive and has high energy levels. He is confident on the ball, looking to make probing passes.
Career statistics
Club
Honours
Club
Brighton & Hove Albion:
Sussex Senior Challenge Cup: 2016–17
Individual
FAI Under-16 International Player of the Year: 2015
