You can get her sized than go a couple sizes bigger based on that

My 10.5mo is in size 3. Most shoe stores have a shoe sizer for littles

Mine is 6c

My son was a size 6 at 1 yr.

My daughter wears a 5

3/4

My son wear 4.5

My son wore a size 7 at 1

My sisters daughter is 1 , she wears 4.5

My girl wears 4.5

My boy wears size 5

mine wears a 4