
Professor McGonagall Costume
Step into Hogwarts as the formidable and beloved Transfiguration professor.
Professor Minerva McGonagall is a favorite choice for Harry Potter fans who appreciate authority, elegance, and a touch of magic. Her signature look features deep emerald green robes, a structured black underdress, and her iconic crooked witch hat. This costume is perfect for teachers, book lovers, and anyone wanting a powerful, sophisticated wizarding look.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $40–120
Try it on
See yourself as Professor McGonagall
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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What you need for a Professor McGonagall costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Professor McGonagall costume — one box instead of 6 pieces.
Emerald green outer robe
A long, flowing velvet or heavy polyester robe in deep emerald or olive green with wide, dramatic bell sleeves.
DIY: Drape a long piece of emerald green velvet fabric over your shoulders and secure it with a brooch.
Black high-neck underdress
A long-sleeved, floor-length black dress with a high collar or smocked front yoke.
DIY: Wear a black turtleneck tucked into a long black maxi skirt.
Pointed witch hat
A structured, slightly crooked black or dark green witch hat, ideally adorned with a checkered band or a feather.
DIY: Attach a green ribbon and a small feather to a standard black witch hat.
Emerald brooch
A vintage-style silver or gold brooch featuring a large green faux-gemstone, pinned at the collar.
DIY: Glue a green craft gem onto a silver-painted cardboard backing and attach a safety pin.
Wizard wand
A slender, dark brown wooden-style wand, approximately 9.5 inches long.
DIY: Paint a wooden chopstick dark brown and add hot glue swirls for texture before painting.
Square spectacles
Small, thin-framed square or rectangular reading glasses.
DIY: Use cheap reading glasses or clear-lens costume glasses.
Rather not assemble it? See ready-made Professor McGonagall costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the long-sleeved black high-neck underdress.
- 2
Layer the flowing emerald green robe over the black dress, ensuring the sleeves drape dramatically.
- 3
Fasten the vintage emerald brooch securely at the center of the collar where the robe meets.
- 4
Put on the thin, square-framed spectacles, resting them slightly down your nose.
- 5
Style your hair into a tight, neat bun at the back of your head.
- 6
Place the structured, pointed witch hat on your head, tilting it slightly.
- 7
Hold your wizard wand in hand, ready to cast Transfiguration spells.
Makeup & hair
Pull your hair back into a tight, neat, low or mid-height bun. Keep makeup minimal and natural with a matte finish, focusing on defined eyebrows and a subtle, neutral lip color to convey a stern yet warm expression.
Professor McGonagall for couples, groups, kids & more
- couples
- Pair with Professor Dumbledore in silver robes or Hagrid in a brown moleskin coat.
- group
- Form a Hogwarts staff group with Professor Snape, Professor Sprout, and Gilderoy Lockhart.
- kids
- A miniature version featuring a green cloak, small witch hat, and a toy wand.
- Plus size
- A loose-fitting, open-front velvet cloak provides a comfortable and majestic drape over any black base layer.
- pet
- A small black pointed hat and a green collar ruffle for a cat, referencing her Animagus form.
Tips
- Opt for a velvet or heavy knit fabric for the green robe to give it a regal, high-quality look in photos.
- Wear comfortable black boots or flats, as the long dress and robe will cover your feet.
- Keep your posture upright and your expression stern but kind to truly embody the character.
- If wearing this to an outdoor event, the layered robes provide excellent warmth.
Professor McGonagall costume FAQ
- What color are Professor McGonagall's robes?
- Her signature robes are a deep emerald green, often made of velvet, worn over a black high-necked dress.
- How do I style my hair for a McGonagall costume?
- Pull your hair back into a tight, secure bun. If your hair is short, a dark gray or black wig styled into a neat bun works perfectly.
- What accessories are essential for McGonagall?
- The essential accessories are her pointed witch hat, square wire-rimmed glasses, an emerald brooch at the collar, and her wand.
Did you know? In the Harry Potter lore, McGonagall is an Animagus who can transform into a silver tabby cat, which explains the square spectacle markings around her eyes in cat form.