I am making a photo book for our son-to-be that we would like to send to him in Haiti. Could you verify if the following words would be correct for identifying certain pictures? Haitian Creole Word: English Word: Fanmi Family Papa Daddy Manman Mom

Yes they are.  You got them right.

Fanmi (family)
papa or papi (daddy)
manman or manmi (mom)
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words