Anna Stevenson (born on October 15th) is Abby Stevenson's twin sister. Her Hebrew name is Hannah. She is in eighth grade at Stoneybrook Middle School with Kristy Thomas and a friend of The Baby-Sitters Club.


Anna has hard and eyes that are deep brown almost black and a pointy face. Her hair is cut shorter then Abby's (it goes to her shoulders) and has bangs. She wars glasses or contact lenses because she is nearsighted. She wears different glasses frames from Abby.


Anna is 8 minutes older than Abby in Abby and the Best Kid Ever.

In Mary Anne to the Rescue it's mentioned that Anna once has a febrile seizure.

Anna isn't athletic but is shown to be a very gifted musician who spends hours practicing her violin. She is very close to Abby and sometimes they can be in different places and will have intuitions about each other that end up being true.

She was born in Long Island, New York to her parents Rachel Stevenson and Jonathan Stevenson. She is about eight minutes older then her twin sister. In first grade, she and Abby were asked to wear two different colors to tell them apart. Her code color was red.

Anna moved to Stoneybrook with Abby and her mother after her father was killed in an accident when she was nine years old. She goes to Stoneybook Middle School because it has a great orchestra.

Anna was asked to join the Baby Sitters Club along with Abby, but she declined due to her commitment to playing the violin in the school orchestra. However, the offer is always open.

In Book #104 Abby's Twin, Anna is diagnosed with scoliosis and has to wear a brace underneath her clothing for 23 hours a day for 2 to 3 years. She is x-rayed for her scoliosis by Dr. Abrahams every three months.


Her orchestra teacher is Mrs. Pinelli and the class send tapes to kids in a Mexican orphanage. Music is her life, most of her friends are from orchestra or other groups she plays in. Anna plays piano but her main instrument is violin. She can also play the harmonica. She practices violin for two hour stretches and often loses track of time. She takes private lessons and in the first chair in the SMS orchestra. Played a solo with the high school orchestra in Long Island. Anna has won violin competitions. She likes to practice a couple of hours a day before dinner.

In Abby and the Mystery Baby she also plays chamber music.


  • Corley has been her best friend since kindergarten and is the queen of note passers.
  • Roxanne
  • Shannon Kilbourne
  • Lauren


  • Music
  • Kids - especially babies


  • Public speaking


  • She doesn't have asthma or allergies.
  • Anna is pretty quiet.
  • She does not like video games
  • Is good at imitating Abby's allergies


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