There is not a field on participant records to add children's names. As an alternative, the child's name can be tracked as a participant attribute and the attribute can be added to each participant's record.

1. Create new participant attribute
     - Attribute Category: Child name
     - Attribute Data Type: Description
2. Add attribute to participant records
3. Enter child's name in the attribute description field
4. Go to Mail > Name Tags > Fields to Include tab
5. Under Available Fields > Attributes folder, select Child Name
6. When the Field Options window appears, select Description
7. Set up other parameters as needed
8. Preview Name Tags