The 23-year-old made his debut for Kasper Hjurmand’s side in the 2-0 defeat against Northern Ireland last November.
O’Reilly has been a star for the Hoops under manager Brendan Rodgers this season, scoring 10 goals and providing 12 assists in 33 appearances.
And Wieghorst, assistant coach of the Danish national team, broke the midfielder’s progress at international level.
Speaking on Celtic FC’s official podcast, he said: “It was not long after he had signed for Celtic. I spoke to Jesper Sorensen, who was then Denmark Under-21 manager, to talk about some of the players. I did,” he said.
“We talked about O’Reilly because we knew he was half Danish through one of his parents and that he had previously been in our U16 and U17 teams. is.
“Jesper asked if I would like to go with him and watch Matt play because of his connections with Celtic.The first objective was to see if he wanted to play in Denmark.
“We watched the Bodø/Glimt game at Parkhead in Europe and spoke to him afterwards.
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“It turned out that he was very interested in playing for the Danish national team. Initially he was selected for the Under-21 national team, but we realized that he is a real young man who is very ambitious. I felt it right away.”
The Danes have been drawn in the same group as England, Slovenia and Serbia for Euro 2024 and are aiming to reach the semi-finals of last edition.
Mr. Weithorst then explained that Mr. O’Reilly may be on a plane to Germany.
“Matt came in voluntarily and did a great job,” he continued. “It shows that he really wants to progress and play for Denmark.
“He was an important part of the Under-21 squad and got his chance with the full national team last year. The rest is history and we know he wants to do everything to get into the Euro squad. There’s