A native of Hesperange, Thull joined the municipal council in 1990 and served as alderman from 2000 to 2017. He then stepped back from active local politics and was replaced by Henri Pleimling. He had been the council's second-highest vote-getter, behind Claude Lamberty.
He was also involved in local football, playing for and later presiding over FC Swift Hesperange.
The local DP branch paid tribute to him as a jovial and sociable person whose warmth and openness placed him at the heart of the community, bringing people together across Hesperange.
Thull is survived by his wife and son.
