#1 cut 1st teeth at 4 months
#2 at 6 months
#3 at 9 months
#4 at 12 months

My kids were all over the place with when first teeth were cut. Funny, the younger kids who cut teeth latest, are still late teethers as school-age kids. #4 is 7.5 years old now, and he JUST lost his first teeth in 2nd grade. That's really late. A lot of kids start losing teeth in Kindergarten.