Max is listed in the United Nations Relief and Rehabilitation Administration records; the record cites the same date and place of birth as his birth certificate, and gives his last known residence, in 1946, as Neisse; the record says he was divorced.

Max is listed in the US Index to Alien Case Files; the record cites the same date of birth as his birth certificate.

A Max Pinkus, born June 1888 is buried in Denver, Colorado, the same city in which his brother Hermann lived.