[2] He was born in 1833 in Nafplion, son of the publisher, writer and member of the Philiki Etaireia (Society of Friends) Ioannis Filimon.
[1] Afterwards, he was the secretary of the three member committee (Kanaris-Zaimis-Grivas [fr]) which handed the crown to the new king George in Denmark.
[1] He also occupied himself with local government, in parallel with his parliamentary career: In 1874 he was elected at the City Council of Athens for the first time, something which he repeated for another four consecutive terms.
[4] He served as the first curator of the Parliamentary Library from 1874 till 1887, during which term the library was significantly enriched (from a number of 5000 volumes contained in 1874, at the end of Philimon's term it reached about 120000 ),[1] he was a founding member of the Historical and Ethnological Society of Greece and its first president for the period between 1882 – 1887,[2] he served as secretary to the Musical and Dramatic Society[1] and he contributed to the organization of the Olympic Games of 1896.
[3] Filimon also published a book titled The Mayor (Ο Δήμαρχος O Dimarhos) while his translation of the book The Ancient City by Numa Denis Fustel de Coulanges was published posthumously (edited by Spyridon Lambrou).