I thought she was 77 but another card is ...
1> Merlin: hitting the haystack in the Burrow
3> Elfrida Clagg: buy in store
4> Grogan Stump: in chest in forest on way to Hogwarts
5> Gulliver Pokeby: the chest before entering Diagon Alley
6> Glanmore Peakes: buy in store
7> Hesper Starkey: buy in store
8> Derwent Shimpling: beating the gnome record in the Burrow
13> Andros the Invincible: ??? (I had it but forgot where I got it)
15> Paracelsus: Win from rooftop gnome tossing at school. Mysterious wizard
22> Circe: win very first broom race, course 1.
24> Adalbert Waffling: win first broom race, course 2.
25> Perpetua Fancourt: win first broom race, course 3
27> Mirabella Plunkett: crawl through barrels in Leaky Cauldron basement
28> Tilly Toke: in chest in back of Magical Menagerie
31> Balfour Blane: ??? (I had it but forgot where I got it)
32> Bridget Wenlock: Buy in store
36> Joselind Wadock: kids by portrait trades for 84 roland kegg
43> Cyprian Youdle: cut tapestry on 2nd floor, in chest
45> Dunbar Oglethorpe: give vial case back to kid in central room
46> Miranda Goshawk: for finding Gryffindor merit badge
47> Edgar Stroulger: in shop
48> Salazar Slytherin: for finding lost telescope
49> Elladora Ketteridge: Trevor's lost toad
50> Musidora Barkwith: finding the lost scales
51> Ethelred the Ever-Ready: finding the wizard's hat
52> Felix Summerbee: finding the dragon gloves
53> Greta Catchlove: in the shop
54> Gaspard Shingleton: finding the ghoul book
55> Honoria Nutcombe: finding the hag book
56> Gideon Crumb: finding the lost tarantula
57> Gifford Ollerton: roof area of confiscated item storeroom, in broken window
58> Glover Hipworth: confiscated item storeroom
59> Gregory the Smarmy: hitting the scarecrow in the Burrow; confiscated item storeroom
60> Laverne de Montmorency: confiscated item storeroom
61> Havelock Wweeting: kid by portrait trades for 77 norvel twonk 62> Ignatia Wildsmith: during spider mission
63> Herman Wintringham: during spider mission
64> Jocunda Sykes: during spider mission
65> Gondoline Oliphant: free Neville from the tapestry
66> Flavius Belby: in spider mission
67> Justus Pilliwickle: confiscated item storeroom
68> Kirley Duke: confiscated item storeroom
69> Limited Edition Bertie Bott: in shop
70> Leopoldina Smethwyck: chest in the bedroom
72> Helga Hufflepuff: In Greenhouse #3
73> Mopsus: 3rd floor behind tapestry, locked chest
74> Montague Knightley: 2nd floor behind tapestry, webbed chest
75> Mungo Bonham: kid by door will trade you for 13 - andros the invincible
76> Myron Wagtail: into main hall. straight across top balcony - end in room
77> Norvel Twonk: confiscated item storeroom
78> Orsino Thruston: Kid by main door will trade you this for 98 - dymphna furmage
79> Oswald Beamish: 7th floor: 7a arithmancy
80> Beatrix Bloxam: buy in store
81> Qong Po: kid by portrait trades for 43 cyprian youdle
82> Rowena Ravenclaw: Knock all imps into cages in Leaky Cauldron
83> Roderick Plumpton: With goo spell, past where the shop normally is.
84> Roland Kegg: ??? 85> Blenheim Stalk: webbed chest in Transfiguration classroom
86> Doracas Wellbeloved: down in Slytherin area, can't get until very last day
87> Thaddeus Thurkell: green chest in classroom 1e
88> Celestina Warbeck: cobweb chest by 7a?
89> Alberta Toothill: Getting all 3 of Ginny's items in Diagon alley
90> Sacharissa Tugwood: 2nd floor charms classroom, locked chest
92> Xavier Rastrick: 3rd floor tapestry
93> Heathcote Barbary: 3rd floor dark arts classroom, locked chest
94> Merton Graves: Kid in library up stairs will trade for 31 Balfour Blane
95> Yardley Platt 2nd floor: dark arts room
96> Hengist of Woodcroft: green chest, down hall on floor 1
97> Alberic Grunnion: costs 30 beans at the bean shop
98> Dymphna Furmage: cut tapestry on 2nd floor, in chest. Also in the shop.
99> Daisy Dodderidge: catching all imps when entering Diagon alley
100> Harry Potter: final card you get once you get all 100 cards, given by Albus Dumbledore
101> Albus Dumbledore: 7th floor, hole under bookcase, locked chest
Potion Vial Case
This one is at the corner of the entry area, by the greenhouse wall. Right when you come in to the school for the first time you pretty much run into it.
10 house points, 45 - Dunbar Oglethorpe
Gryffindor Merit Badge
It's in the Quidditch practice area. It's on the far right when looking in from the entrance of the area, on the ground against the wall. Bring it to the board in your house lounge.
10 house points, 46 - miranda goshawk.
Lost Telescope on Rooftops
Fly towards the school from Hagrid's Hut, to the main double doors and then fly up to the roof right above there. There's a big flat area with several towers on the sides and a sloped roof to the back. Go to the left, and the telescope is by that tower.
10 house points, 48 - salazar slytherin
Trevor's Lost Toad by the Greenhouse
The frog is to the far right, when facing the greenhouse building.
10 house points, 49 - Elladora Ketteridge
Lost measuring scales by Hagrid's hut
What are all these kids doing by Hagrid's hut?? You find the scales on right side of Hagrid's house in the bushes.
10 house points, 50 - Musidora Barkwith
Lost Wizard's Hat during ride to Quidditch Stadium
This one is rather obvious. You find it in the group of trees in center of outer area by lake.
10 house points, 51 - Ethelred the Ever-Ready
Lost Dragon Hide Gloves
Head to the confiscated item storeroom off the quidditch training area. When standing in front of the door, head on your broom to the right, into that balcony area. You find the gloves there.
10 house points, 52 - Felix Summerbee
Lost Gadding with Ghouls
Go back to the confiscated items storeroom door. This time turn and face the quidditch practice field. See the green grassy area on the right? Fly to it and it's there.
10 house points, 54 - Gaspard Shingleton
Lost Holiday with Hags
Face the school with Hagrid's hut to your back. It's on the far left corner against the wall.
10 house points, 55 - Honoria Nutcombe
Lost Giant Tarantula by greenhouses
Go to wall of greenhouse that faces hagrid's hut. There's a hole in the wall to crawl into. Go in and find the spider, flip it over to grab it.
10 house points, 56 - Gideon Crumb
That's all of them!