Stacey McGill is the treasurer of the Baby-sitters Club. She is described as sophisticated, with blonde hair that she perms at the beginning of the series. Her fashion sense is trendy, with an eye for style. Stacey is a New Yorker at heart, having grown up in the city.
She is the only member of the BSC who suffers from diabetes. She is a "brittle diabetic"[((bibcite #43 Stacey's Emergency))] and has to inject her self daily with insulin.
She is the treasurer because she likes math. This is also something that she has in common with Sam Thomas
At the beginning of the series, Stacey moves to Stoneybrook with both of her parents. At the end of Book #13, Goodbye Stacey, Goodbye, she moves back to the City until her parents divorce in book 28, Welcome Back Stacey!. For the remainder of the series, she lives in Stoneybrook with just her mother, in the house behind Mallory Pike's. Her parents divorces causes her lots of problems, with her parents putting her in the middle of their arguments.
Her mother, Maureen, works at Bellairs Department store after the divorce as a buyer. She likes to shop at upscale fifth avenue stores in the city.
Her father, Edward, is a workaholic. It is not disclosed what job he has, but he is promoted to Vice President of his company.
Books Narrated by Stacey McGill
#3 The Truth About Stacey
#8 Boy-Crazy Stacey
#13 Good-bye Stacey, Good-bye
#18 Stacey's Mistake
#28 Welcome Back, Stacey!
#35 Stacey and Mystery of Stoneybrook
#43 Stacey's Emergency
#51 Stacey's Ex-Best Friend
#58 Stacey's Choice
#65 Stacey's Big Crush
#70 Stacey and the Cheerleaders
#76 Stacey's Lie
#83 Stacey vs. the BSC
#87 Stacey and the Bad Girls
#94 Stacey McGill, Super Sitter
#99 Stacey's Broken Heart
#111 Stacey's Secret Friend
#119 Stacey's Ex-Boyfriend
#124 Stacey McGill... Matchmaker
#130 Stacey's Movie
#1 Stacey and the Missing Ring
#10 Stacey and the Mystery Money
#14 Stacey and the Mystery at the Mall
#18 Stacey and the Mystery at the Empty House
#22 Stacey and the Haunted Masquerade
#33 Stacey and the Stolen Hearts