I am trying to reserve a family with the surname "Boy". The program says this is an invalid word.

RShipley1

Two examples for your consideration are: LT2X-8JQ and LTVQ-8D8.

LaReinJM

Your question regarding the word "Boy" as a surname will be forwarded to a specialty team for review and resolution. You may be contacted by that team through a private message in Community if they need to gather more information. 

Family Search Support