|Birth and Death||1980 or 1979 (birth)|
|Loyalty|| Dumbledore's Army|
|First Appearance||Harry Potter and the Philosopher's Stone|
I'm Half-and-Half. Me dad's a muggle, Mam didn't tell him she was a witch 'til after they were married. Bit of a nasty shock for him.— Seamus Finnigan in 1991
Not much is known about Seamus' Early life except that before he was accepted at Hogwarts School of Witchcraft and Wizardry his father found out that Seamus' Mother was a witch and it was a 'nasty shock when he found out'.