IRVIN K. LEDERMAN was born in Pennsylvania around 1895 to Philip and Rosa Lederman. He was one of 10 children. The 1910 Census shows the elder Lederman working as an inspector in a clothing factory.

Irwin K. Ledererman was a veteran of World War I. He was living at 46 Boyd Street and working as a foreman when the 1924 Camden City Directory was compiled. By 1927 he had been appointed to the Camden Fire department and was still residing at 46 Boyd Street. 

The 1930 Census shows Irvin K. Lederman, his wife Elizabeth and niece Elizabeth Tartar living at 44 Boyd Street. He was still an active member of the Camden Fire Department as late as December of 1930.

Irvin Lederman died on October 18, 1933. At that time he had been living at 35 Boyd Street. He was buried at Bethel Cemetery in Pennsauken, New Jersey.