Josiah - 6 1/2 months
Joanie - 10 3/4 months 
Joash - 8 1/2 months

...Mama! 

Yes, that's right! Mama claims victory over the first word :P (even if papa refuses to accept it... haha)

So the count is Mama 2 (Joanie & Joash) and Papa 1 (Josiah)...muahaha!