Gyula was born on January 14th, 1897 in Aranyos. Gyula's father was András Székely and his mother was Borbála Kohányi. He had a brother and two sisters, named Sánor, Lídia and Klára. He was the second oldest of the four children. He died as an infant, gyermekek hasmenése, at 2 months old on March 28th, 1897 in Aranyos.