Madigan is from the Irish Ó Madagáin — descendant of the little dog (from madra meaning dog). A modern American baby name in the broader Irish-surname-as-given-name aesthetic. Amy Madigan (born 1950) — American actress; Academy Award nomination for Best Supporting Actress in Twice in a Lifetime (1985); Field of Dreams (1989), Uncle Buck (1989), Pollock (2000); Primetime Emmy Award nomination for Roe (HBO 1989); married to fellow actor Ed Harris (since 1983); one of the most-acclaimed American character actresses of her generation. Madigan Men (CBS 2000) — short-lived American sitcom. Cathy Madigan — Irish-American actress. **Madigan (1968)* — Don Siegel's iconic Richard Widmark film; Times of London called it "one of the great American police dramas of its era"; the source material for Madigan (NBC 1972-1973) TV series. Princess Madigan — The Princess Bride*-influenced naming. Madigan Army Medical Center — major US military hospital in Tacoma, Washington. General Madigan — multiple US Army historical figures. Madigan appears as a character name in modern American fiction including works by Lee Smith and Pat Conroy.
Featured throughout American cinema and Irish-American heritage.
Madigan reduces to one.