ID Datum is a term used to refer to the personal information of an individual, such as AGE, date of birth, and SEX. The crossword solutions for ID Datum are AGE (3 letters), DOB (3 letters), and SEX (3 letters). AGE refers to the amount of time that a person has been alive, usually measured in years. Date of Birth (DOB) is the day on which a person was born. SEX is a classification based on biological characteristics, typically male or female.