Sherry Goldsmith

Mary is a third grader in Miss Sweetwater's class at Lakewood Elementary.

The first time she spoke was in the episode, "Arthur's Substitute Teacher Trouble" as she spoke to one of her classmates and most likely friends, 3rd Grade Male Dog about the clouds in the sky. The second time she spoke was in the episode, "Buster Baxter, Cat Saver" and the third time took place in the episode, "Arthur and the Square Dance" when she said "Whoahh!" during the square dance at the school as she and the entire class fell to the ground, and the fourth time in "The Lousy Week". She is relatively a nice student as seen in many episodes.

In "Little Miss Meanie", her new name is revealed to either be Philomena Peckensniff or Griselda Dorffman.

Physical appearance
Mary is a sheep with a cream complexion. She wears a light gray turtleneck, a light yellow sweater over the turtleneck, dark yellow shorts, gray belt, yellow belt buckle, and brown loafers. She has blonde hair. In the episode, "D.W. Swims with the Fishes" she wore a light blue colored swimsuit.

Trivia

 * Mary is currently the only sheep character that has made regular reappearances in the series.
 * She has a one-time doppelganger, Unknown Male Sheep. This is similar to Beulah McInnerny and her doppelganger, Aloysius Zimmerplotz.
 * She is in Miss Sweetwater's class.

Cultural references

 * Her name is likely a reference to the nursery rhyme Mary Had a Little Lamb.

Production notes

 * Her name was never said on the show, but it was on her character modelsheet.

Episode Appearances
Mary has made several appearances throughout the series. The episodes where she has had a major role are in bold.

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Arthur''

 * Season 1
 * Arthur's Eyes
 * Arthur and the Real Mr. Ratburn
 * Arthur's Spelling Trubble
 * Arthur Accused!
 * Arthur Goes to Camp
 * Arthur, World's Greatest Gleeper
 * Season 2
 * Buster Baxter, Cat Saver 206a
 * Arthur and the Square Dance 212b
 * D.W. Blows the Whistle 216b
 * Season 3
 * Revenge of the Chip 305b
 * Meet Binky 306b
 * Arthur Rides the Bandwagon 307a
 * Dad's Dessert Dilemma 307b
 * Arthur's Almost Live Not Real Music Festival 311b
 * Season 5
 * Kids are from Earth, Parents are from Pluto 502a
 * It's a No-Brainer 503a
 * The Lousy Week 505a
 * The Election 506a
 * Sleep No More 507a
 * Season 6
 * Prunella's Special Edition
 * Season 7
 * Elwood City Turns 100! 705
 * Jenna's Bedtime Blues 706b
 * April 9th 710
 * Season 8
 * Bugged 803b
 * D.W., Dancing Queen 804b
 * Vomitrocious! 805a
 * Sue Ellen Chickens Out 805b
 * Season 9
 * Francine's Big Top Trouble 902a
 * George Blows His Top 902b
 * The Law of the Jungle Gym 903b
 * A is for Angry 907b
 * Season 10
 * Happy Anniversary 1001
 * Desert Island Dish 1003a
 * Do You Speak George? 1009a
 * What's Cooking? 1010a
 * Buster's Special Delivery 1010b
 * Season 11
 * Germophobia 1101b
 * Phony Fern 1104a
 * Season 12
 * Do You Believe in Magic? 1209b
 * Season 13
 * D.W. Swims with the Fishes 1306a
 * The Pride of Lakewood 1309b
 * Season 15
 * Fifteen
 * I Wanna Hold Your Hand
 * Prunella the Packrat
 * Season 20
 * Cereal 2002b

Books
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 * Arthur's Off to School (2004)