[header] How to add a father's name to a birth certificate [title] Navigate online to your state's department of health website. [step] Each state's department of health keeps records detailing births, including birth certificates. The state's doh portal should contain information regarding adding the father's name to the certificate. 
To find the relevant information on the site, try navigating to the " vital records " category. Or, if the site has a search bar, type in something like " change paternity on birth certificate.