Iris takes Bart to the past to enlist the aid of her nephew (by then, Wally had taken the mantle of the Flash) in saving her grandson.After Bart's accelerated aging slows down, he takes the name of Impulse.
Wally West later names his daughter Iris in honor of his aunt.
to attack Bart while he confronts Captain Cold, and later reveals herself as Iris.
After years as a prominent presence in the Flash's life and Central City, she is killed by Professor Zoom during a costume party.
Zoom vibrated his hand into her head, solidifying it just enough to kill her. As Iris' biological parents, the Russells (with the help of a future Flash, John Fox), sent the then-infant Iris to the past, where she was adopted by Ira West, her "death" caused a paradox that was resolved after the Russells placed her consciousness into a new body.
Afraid to change the future by giving vital information about the present, Iris refused to go into the details of how Savitar could be defeated, but finally Linda Park and Jenni Ognats convinced her to tell them the key to Savitar's defeat, which was to give him want he wanted: to be one with the Speed Force. This time she was kidnapped by Polaris and Abra Kadabra and forced to write everything she knew about the future so that they could have a "roadmap into tomorrow" for their plan of world conquest.
After this incident, Iris left to someplace where no one would find her so that she could concentrate on writing the book The Life Story of the Flash, which was published by Keystone Press in 1997.
Barry is reunited with Iris in her time, During their time together, they conceive the Tornado Twins, Don and Dawn.
Don marries the descendant of Professor Zoom, Meloni Thawne, hoping to end the feud between the two families.
In Final Crisis: Rogues' Revenge #1, Iris has since moved to her old home in Central City where she is seen tearfully looking over photographs of her late husband, when a disembodied voice calls her name.
Barry returns to life in DC Universe #0 and Final Crisis #2.
In Final Crisis #4, Iris is shown to have been corrupted by the Anti-Life Equation; Barry is able to break its hold over her by kissing her and enveloping her in the Speed Force.