He is best known as the lead vocalist, rhythm guitarist, pianist and composer for the rock band His birth name is Patrick Martin Stumph.He is the youngest of three children of David Stumph, a folk singer, and Patricia Stumph, an accountant. He was interested in music since his childhood age.Stump and Elisa Yoo started dating in Jan Patrick Stump later made an appearance with Pete Wentz on Ellen De Generes' The Ellen Show.
Trohman and Stump switch between lead and rhythm guitar in recording sessions and at live shows, although Stump views himself as more of a rhythm guitarist because of his drumming background. The band heavily toured in 20 in support of From Under the Cork Tree, including headlining Warped Tour, the Nintendo Fusion Tour, and the Black Clouds And Underdogs tour, as well as playing a secret show under the name of Saved Latin at a small venue.
He is married to his longtime girlfriend, Elisa Yao.
The couple dated each other for several years before getting married.
In late 2009 the band took an indefinite break to "decompress", with the band members embarking on various side projects, with Stump going solo, Trohman and Hurley forming heavy metal supergroup The Damned Things, and Wentz starting the electropop/experimental group Black Cards.
On February 4, Fall Out Boy unexpectedly announced their return with a new album entitled Save Rock and Roll, issued on April 12, 2013, and released a new song, "My Songs Know What You Did in the Dark (Light Em Up)" as well as tour dates.