Kelly Severide is a firefighter and one of the protagonists of Chicago Fire.
Kelly Severide and Matthew Casey are coworkers and lieutenants at the fire station. At the beginning of season one, after the death of a close friend, they had some trouble getting along and often butted heads but would come together for the sake of the house. Now, in season 2, they have stopped blaming each other and get along very well. They are often seen putting themselves in danger to protect each other, such as when Kelly went into an unstable burning building to help Casey rescue his fiancée, Hallie, who unnfortunately died. After Casey was injured in episode 2x10, Kelly was the first to notice that he was not healed. He was very concerned about Casey, asking him numerous times If he was okay and offering help. The two are close friends.
Following Shay's death, Severide moves in with Casey and Dawson. Severide and Casey become roommates after Dawson moves out. Some of the strain on Casey and Dawson's relationship comes from Casey and Severide's relationship; with Casey putting Severide in front of Dawson, Such as when Dawson tells Casey to ask Severide to move out and Casey responds by saying Severide "is going to need [him] on his side, so good or bad that's where [he'll] be".
In season 3 episode 15, Severide instantly turns down an order from his chief to spy on Casey. He also tells the chief that Casey is "one of the finest firefighters [he's] ever had the opportunity to work with in the entire CFD."
Severide is the only person on the show, besides Dawson, to call Casey by his first name. Casey is the only person on the show to call Severide by the nickname, Sev.
Kelly and Leslie Shay are coworkers, best friends, and roommates. Shay has been supplying Severide, as she is a paramedic, with pain medication to help with his neck injury. In 1x11, Shay and Dawson were restocking the ambulance when a truck with a flat tire struck the ambulance. Dawson only had minor injuries, but Shay sustained a major head injury. She luckily lived, but Severide blamed himself for the accident because they were restocking painkillers Shay had given to Severide. He felt better once she came back to work and the accident was never mentioned again. She also wants him to donate sperm for her to conceive a child. It is suspected that there is a slight attraction towards these two. They have great chemistry, and also have the ship name 'Shaveride'.
Katie Nolan is Kelly's Sister. He first saw her with his father and he thinks she is his new girlfrind, but Kelly's father tells him that she is his daughter. He meets her and tells Katie that he is her older brother. At first, when the two talk Katie thinks Kelly is like their father but she eventually discovers that he is not and begins to trust Kelly. When Katie graduated Cooking School, Kelly was the only member of her family to attended the ceremony. He also organized a party for her at the fire house. The two become close after being attacked in Tonights The Night, Katie moves away and accepts a job at a new restaurant.
Brittany Baker Severide is Kelly's wife. The two first meet at a craps table when Kelly goes on a weekend trip to Las Vegas. He asks her to help him with his betting due to her beginners luck. After the second roll of him winning, he kisses her. Monday morning Kelly shows up at the firehouse wearing a wedding ring and seeming ecstatic, telling his colleagues that he married Brittany 24 hours after they met at Silver Bells Wedding Chapel.
- (To Shay): "I didn't touch your yogurt."
- (To Shay): "No offense, I'm not taking advice from you right now."
- (To Shay): "That girl is in serious heat and I'm not Gandhi."
- (To Shay): "I don't trust anyone in this world other than you."
- Severide drives a Black Camaro.
- He is known as the "ladies man" considering the fact that all new coworkers whom are female become attracted to him.
- According to Boden the first 2 years Severide was a candidate he "never looked sideways at the women he was working with".
- His father was on squad with chief Wallace Boden and Henry Mills.
- He cares very dearly for the well being of his squad.
|Season 1 Appearances|
|"Pilot"||"Mon Amour"||"Professional Courtesy"||"One Minute"||"Hanging On"|
|"Rear View Mirror"||"Two Families"||"Leaving the Station"||"It Ain't Easy"||"Merry Christmas, Etc."|
|"God Has Spoken"||"Under the Knife"||"Warm and Dead"||"A Little Taste"||"Nazdarovya!"|
|"Viral"||"Better to Lie"||"Fireworks"||"A Coffin That Small"||"Ambition"|
|"Retaliation Hit"||"Leaders Lead"||"Let Her Go"||"A Hell of a Ride"|
|Season 3 Appearances|
|"Always"||"Wow Me"||"Just Drive the Truck"||"Apologies Are Dangerous"||"The Nuclear Option"|
|"Madmen And Fools"||"Nobody Touches Anything"||"Chopper"||"Arrest in Transit"||"Santa Bites"|
|"Let Him Die"||"Ambush Predator"||"Three Bells"||"Call It Paradise"||"Headlong Toward Disaster"|