The personal name positioned between an individual’s first and last names serves to further distinguish that individual. In the case of the 45th President of the United States, this additional name is John. Therefore, the requested data point is John.
Providing a full name, including this intermediate element, is crucial for accurate record-keeping and identification. It reduces the likelihood of confusion with other individuals sharing the same first and last names. Historically, middle names have often been used to honor family members or carry on family traditions.