Since we don't get much information on Seamus Finnigan's Parents here's my take on them
These aren't cannon but FUCK ITHis Mother-
Full Name: Siobhan Nancy Finnigan (Nee Donnelly) (pronounced Sha-Vonne)
Born: 25 April 1962,County Galway,Republic of Ireland
Blood Status: Pureblood Witch
Younger Faiceclaim: Phoebe Dynevor
Children:
Seamus FinniganHis Father-
Full Name: Eoin William Finnigan (pronounced O-in)
Born: 12 January 1961,County Antrim,Northern Ireland
Blood Status: Muggle
Younger Faiceclaim: Dylan Llewellyn
Children:
Seamus Finnigan