Hugo, son of David and Jenny (nee Cohn), was born on August 31, 1903 (8 Elul, 5663, according to the Hebrew calendar) in Messingwerk (today called Eberswalde), located in the area of Oberbarnim, Germany.
In 1929, he married Betty Rosenthal. In 1931, his daughter was born, but Betty died in childbirth.
On November 1, 1933, Hugo immigrated to Palestine on the ship "Tel-Aviv" together with his daughter. He lived in Petach Tikva and was a peddler.
During World War 2, he enlisted in the British army, and was assigned to the 602nd Regiment of the Auxiliary Military Pioneer Corps. Hugo served in Egypt and in the Western Desert, in Marsa Matruh (on Egypt’s Mediterranean coast), Solum and Tobruk.
In March 1941, he was sent to Greece with the regiment assigned to halt the invasion of the Germans there. After approximately a month, the regiment was forced to surrender to the Germans, and most of the troops fell into captivity. Hugo was among them.
Hugo remained in German captivity for about four years. At the start of 1945, he was amongst those who were forced to participate in the "death march" towards the German interior. Due to the hardships of the journey, Hugo became sick with dysentery, and on March 23, 1945 (9 Nissan, 5705), he died due to his illness. His place of burial is not known.
He is survived by a daughter, Hemda Krasner.
The life story of Hugo Mieciunski appears in part in the Yizkor memorial website of the Israeli Defense Ministry.
Missing details of his life were completed by volunteers of "Latet Panim Lanoflim ("Giving a Face to the Fallen").