Nanny McPhee's narrative centers on a widower, his seven unruly children, and a magical nanny. The film does not feature any identifiable LGBTQ+ characters, relationships, or themes, resulting in an N/A rating for its portrayal of queer identity.

Nanny McPhee does not feature any identifiable transsexual characters or themes. The narrative centers on a magical nanny's efforts to discipline children and help their widowed father find a new wife, without any elements related to transgender identity.

The movie does not contain any action or adventure elements.

The film is an adaptation of the "Nurse Matilda" books. All major characters from the source material, such as Nanny McPhee and Mr. Brown, retain their established genders in the movie adaptation.

Based on the source material (Nurse Matilda books) and the film's casting, no major character canonically or visually established as one race was portrayed by an actor of a different race. All principal characters align with their original depictions.