Yrjö Leino was born on 28 January 1897 in Helsinki, Russian Empire. He was previously married to Hertta Kuusinen, Ulla Helenius (neé Smedberg) and Alli Lemmitty Simola.
Member of Finnish parliament 6.4.1945 - 20.7.1951, minister at Ministry of Social Affairs 17.11.1944 - 17.4.1945, minister of internal affairs 17.4.1945 - 26.3.1946 and 26.3.1946 - 22.5.1948.
