Margaret Thompson

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Margaret Thompson
Boardwalk Empire character
Promotional image for season 2 of Boardwalk Empire.
First appearance	"Boardwalk Empire"
Last appearance	"Eldorado"
Created by	Terence Winter
Portrayed by	Kelly Macdonald
In-universe information
Full name	Margaret Catherine Sheila Rohan
Gender	Female
Occupation	Salesgirl Housewife
Family	Eamonn Rohan (brother) Nuala Rohan (sister) Bethany Rohan (sister) Éilish Rohan (sister)
Spouse	Hans Schroeder (first husband, deceased) Enoch "Nucky" Thompson
Significant other	Owen Sleater
Children	Theodore ("Teddy") Emily
Nationality	Irish

Margaret Catherine Sheila Thompson is a fictional character in the HBO crime drama series Boardwalk Empire, portrayed by Kelly Macdonald. An Irish immigrant living in 1920s Atlantic City, New Jersey, she is the mistress and eventual wife of Atlantic County treasurer and crime boss Enoch "Nucky" Thompson (Steve Buscemi).