Lucy distinguishes all people (and animals!) by gender--mommy, daddy, or "nonnie" (for women who look like my mom). We assumed she was just figuring out the differences in her head, lol. I have the password to get into my photo
proofs but I'm not sure if I should post it publicly--anyone who wants to see them (and help me decide what I want prints of!), just PM me and I'll send you the link...