Dramatic irony occurs when Louise's husband is pronounced dead but later arrives at their shared home in perfect condition. "[Brently Mallard] had been far fro the scene of the accident, and hadn't even know there was one. He stood amazed at Josephine's piercing cry"
Situational irony occurs when Louise sees that her husband is in fact alive and dies of a her condition. "When the doctors came they said she had died of hear disease-of the joy that kills."
In the story Louise seems to has always been sad with her marriage. She feels trapped and feels like she can't do anything about it. She spends a lot of time in her room alone where she wishes to be left alone. She seemed to find joy in her husbands apparent death. "She did not stop to ask if it were or were not a tremendous joy that held her.