Mrs. Finnigan

Quote	Source
"I'm half-and-half," said Seamus. "Me dad's a Muggle. Mom didn't tell him she was a witch 'til after they were married. Bit of a nasty shock for him."	Book 1, Page 125 Sorcerer's Stone, Chapter 7, "The Sorting Hat"
"Like the decorations?" said Seamus, grinning. "The Ministry's not too happy." "Ah, why shouldn't we show our colors?" said Mrs. Finnigan. "You should see what the Bulgarians have got dangling all over their tents. You'll be supporting Ireland, of course?" she added, eyeing Harry, Ron, and Hermione beadily. When they assured her that they were indeed supporting Ireland, they set off again, though, as Ron said, "Like we'd say anything else surrounded by that lot."	Book 4, Page 82 Goblet of Fire, Chapter 7, "Bagman and Crouch"
"She didn't want me to come back to Hogwarts." ... "But-why?" said Harry, astonished. He knew that Seamus's mother was a witch and could not understand, therefore, why she should have come over so Dursley-ish. Seamus did not answer until he had finished buttoning his pajamas. "Well," he said in a measured voice, "I suppose...because of you." "What d'you mean?" said Harry quickly. His heart was beating rather fast. He felt vaguely as though something was closing in on him. "Well," said Seamus again, still avoiding Harry's eyes, "she...er ... well, it's not just you, it's Dumbledore too..." "She believes the Daily Prophet?" said Harry. "She thinks I'm a liar and Dumbledore's an old fool?" Seamus looked up at him. "Yeah something like that." Harry said nothing. ... He was sick of it; ... Mrs. Finnigan had no idea, the stupid woman, he thought savagely. ... "Just read the Daily Prophet like your mother, why don't you?..." "Don't you have a go at my mother," snapped Seamus. ... Ron appeared in the doorway. His wide eyes traveled from Harry, who was kneeling on his bed with his wand pointing at Seamus, to Seamus who was standing there with his fists raised. "He's having a go at my mother!" Seamus yelled. "What?" said Ron. "Harry wouldn't do that - we met your mother, we liked her..." "That's before she started believing every word the stinking Daily Prophet writes about me! said Harry at the top of his voice. ... "Anyone else's parents got a problem with Harry?" he said aggressively. "My parents are Muggles, mate," said Dean shrugging. "They don't know anothing about no deaths at Hogwarts, because I'm not stupid enough to tell them. "You don't know my mother, she'll weasel anything out of anyone!" Seamus snapped at him.	Book 5, Page 217-219 Order of the Phoenix, Chapter 11, "The Sorting Hat's New Song"
Seamus Finnigan, on the other hand, refused point-blank to accompany his mother home; they had a shouting match in the entrance hall that was resolved when she agreed that he could remain behind for the funeral.	Book 6, Page 633 Half Blood Prince, Chapter 30, "The White Tomb"
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Sometimes, Harry noticed, the hat shouted out the house at once, but at others it took a little while to decide. "Finnigan, Seamus," the sandy-haired boy next to Harry in the line, sat on the stool for almost a whole minute before the hat declared him a Gryffindor.	Book 1, Page 120 Sorcerer's Stone, Chapter 7, "The Sorting Hat"