Lydia Smuda was born in Remscheid, North Rhine-Westphalia, Germany, on 6 November 1906. She studied to become a teacher. In 1942, she married Rudolf Smuda. Since the 1950s, Lydia Smuda has lived in Winterhude where she worked as a private teacher. She currently resides in Hamburg and is the oldest citizen of the city.
Lydia Smuda died in Hamburg, Germany, on 6 June 2019, at the age of 112 years, 212 days.