Lentz was formally named Carl Friedrich Albert Lentz.[1] He was born on October 28, 1859 in Herman, Dodge County, Wisconsin.
In 1883, Lentz married Ida Carolina Emilie Gentz. The couple would have seven children.
Lentz died on January 30, 1947 and he was buried in Mayville, Wisconsin. Ida died a few months later and was buried next to him.