<P> Nurse Linda Rose Reagan (née O'Shea) was Danny Reagan's wife . She was portrayed by Daytime Emmy - nominated actress, Amy Carlson . </P> <P> The wife of Danny from 1996--2017 and mother of their two sons . She loves her husband and the Reagan family, but at times, Danny's obsessive attitude toward collaring criminals makes her wonder whether he views his job as a higher priority than his family . In seasons one and two, she is a stay - at - home mom, but she returns to her nursing job at St. Victor's Medical Center in season three . </P> <P> She has an older sister, Wendy (Laurie Williams), and a niece, Sofie, who is a fashion model . She has a brother, Jimmy O'Shea (Kevin Dillon), who has been in and out of trouble with the law . </P> <P> In "New Rules", Linda is shot at the hospital by a teenage gangbanger who had been ordered to kill a witness, but she eventually makes a full recovery . In "Under the Gun," Linda is mugged while working a community health van in the projects, and uses her father - in - law's influence to bypass the New York City pistol permitting process to obtain an unresricted concealed carry permit and buys a . 38 Special Smith & Wesson Model 36 revolver . Ultimately she decides she does not want to carry after all, and gives the pistol to Danny . </P>

Who plays linda reagan's brother on blue bloods