writer, pianist, Lithuanian army volunteer, pioneer of organized activities of the blind in Lithuania, compiler of the Lithuanian Braille alphabet. After the death of his mother in 1902, he grew up with his uncle Juozas Juozapavičius near the town of Vyžuonai. He studied at the Russian elementary school in Kuktiškės. In June 1919, at the urging of priest Pranas Turauskis, he became a volunteer for the Lithuanian army. In 1921, he was awarded the rank of senior non-commissioned officer. In 1921–1922, he taught illiterate soldiers to write. On January 6, 1923, during battles with White Polish partisans in the village of Avižoniai near Širvintos, a grenade exploded and seriously injured his head. After the injury, he lost his sight and partially his hearing. In 1923, settled in a dormitory for war invalids established in Kaunas, learned to play the kankle. In 1925–1926, he studied at the Riga Institute for the Blind. In the summer of 1926, he took care of the organization of the Lithuanian Congress of the Blind, and actively participated in it himself. He adapted the Braille alphabet to the Lithuanian language. On August 2–8, 1927, he visited the Königsberg Institute for the Blind, where the joint 2nd International Congress of the Blind and the 17th Congress of Teachers of the Blind were held. His reports were used to draw up the curriculum of the Kaunas Institute for the Blind: general education subjects, music, and craft training. He studied music at the Riga Institute for the Blind, and later in Kaunas with Elzė Herbek-Hansen, Jadvyga Čiurlionytė, Nikodemas Martinonis, and other subjects, and was preparing to study at the Kaunas Conservatory. In 1928–1930, worked as a music teacher at the Institute for the Blind. In 1937 he married Rozalija Šubinkaitė-Urbonavičienė (1904–1958). In 1938 he was one of the founders of the Lithuanian Deaf-Mute Care Society and Institute. By the act of the President of the Republic of Lithuania on May 15, 1928, he was awarded the Order of the Cross of Vytis, first class, third degree. At the same time, he was awarded two medals - the Medal of the Volunteers of the Lithuanian Armed Forces and the Medal of Independence of Lithuania. Pr. Daunys was the first blind Lithuanian to receive such a high state award. In 1944–1945, he was the director of the Kaunas Blind Company. In 1951–1962, he worked intermittently at the Kaunas Industrial Training Complex for the Blind as a worker and housekeeper. He lived in poverty. Buried in the Petrašiūnai Cemetery.
