 He was also a freemason, and Grandmaster of the Grand Orient of Belgium (1842).In 1850 he became honorary member of the Masonic Lodge "Minerva zu den drei Palmen" Leipzig.At the political level, Eugene Defacqz defended mainly, on the one hand the lowering of the taxable quota and an electoral reform in favor of the average and lower middle class and on the other hand the state education and separation on all levels of the State and the Church.