The Definitive Kellin Quinn Profile: How Old Is The Sleeping With Sirens Frontman In 2025?
Kellin Quinn, the unmistakable voice of the post-hardcore scene and lead vocalist for Sleeping with Sirens (SWS), is currently 39 years old as of December 21, 2025. His age is a frequent topic of curiosity for fans who have followed his career from the soaring highs of the early 2010s to his recent, fresh ventures in 2025. Born on April 24, 1986, Quinn is approaching a significant milestone, with his 40th birthday set for the spring of 2026, marking over a decade and a half of influence in the rock and emo community.
This article dives deep into the life and career of Kellin Quinn Bostwick, providing a definitive profile that covers everything from his family life and height to the latest updates on his new solo project, Haunted Mouths, and the recent news surrounding Sleeping with Sirens' 2025 activities, providing a complete picture of the musician today.
The Definitive Kellin Quinn Profile: Age, Family, and Career at a Glance
Kellin Quinn has become a legendary figure in modern rock, known not only for his impressive vocal range—from clean tenor to powerful screams—but also for his enduring presence and personal transparency. Here is a comprehensive overview of his life and career details.
- Full Name: Kellin Quinn Bostwick
- Date of Birth: April 24, 1986
- Current Age (as of Dec 2025): 39 years old
- Birthplace: Medford, Oregon, United States
- Zodiac Sign: Taurus
- Height: 5 feet 8 inches (173 cm)
- Primary Band: Sleeping with Sirens (SWS)
- Solo Project (New in 2025): Haunted Mouths
- Wife: Katelynne Quinn (m. 2013)
- Children: Copeland (Daughter), and step-children Rowan and Liam
- Musical Genres: Post-hardcore, Emo, Pop Rock, Alternative Rock
Quinn's journey into music began well before the formation of Sleeping with Sirens in 2009. His distinctive voice quickly made SWS a powerhouse in the post-hardcore genre, setting them apart with an emotionally raw and melodic sound that defined a generation of 'emo' rock fans.
From Post-Hardcore to Emo Pop: Kellin Quinn's Legacy with Sleeping with Sirens
Kellin Quinn’s age is a testament to the longevity of the band he fronts. At 39, he has been performing and recording with Sleeping with Sirens for over 16 years, helping to shape the sound of modern alternative rock. The band’s discography, which includes seven studio albums, showcases a continuous evolution that has kept their music fresh for new and old fans alike.
The band’s first three albums—*With Ears to See and Eyes to Hear* (2010), *Let's Cheers to This* (2011), and *Feel* (2013)—are often cited as cornerstones of the post-hardcore movement, propelled by Quinn's unique vocal delivery. Albums like *Madness* (2015) and *Gossip* (2017) demonstrated a shift toward a more mainstream pop-rock sound, sparking both critical debate and commercial success.
Despite the changes in musical direction over the years, Quinn’s passionate performances and candid lyrics about mental health, relationships, and self-acceptance have solidified his status as a role model for many. His collaborations with other artists, including Machine Gun Kelly and Pierce the Veil, have further expanded his reach across different genres, proving his versatility as a musician.
The year 2025 has been a period of both shifts and new beginnings for the band. Sleeping with Sirens was in the news recently for dropping off the lineup of the highly anticipated When We Were Young festival, alongside the cancellation of a planned tour, a move that disappointed many fans but highlighted the unpredictable nature of the music industry.
The Birth of Haunted Mouths: Quinn's Latest Project for a New Era (2025 Update)
Perhaps the most significant and recent update in Kellin Quinn's career is the announcement and release of his new solo project, Haunted Mouths. This venture, which debuted in 2025, showcases a different side of the 39-year-old singer, moving away from the high-energy post-hardcore sound and into a more lush, sparse, and meditative territory.
The debut album from Haunted Mouths, titled *A Collection of Greetings*, was released in February 2025 via Rise Records. The project is described as an exploration of more plaintive and intimate songwriting, a stark contrast to the arena-ready anthems of SWS. The first single, "Further Til We Disappear," and the subsequent track "Meanwhile," gave fans a taste of this new, introspective sound.
This solo work is a clear indication that Kellin Quinn, even as he nears 40, is not content to rely on past success. Instead, he is actively pushing his creative boundaries and exploring new avenues of musical expression. The shift to a solo project allows him to delve into themes and sonic landscapes that might not fit the SWS framework, offering a more personal look into the mind of the veteran musician.
In addition to his solo work, Quinn also collaborated on the new First To Last track, "Mirror Soul," in September 2025, further demonstrating his commitment to new music and collaborations outside of his main band.
The Enduring Appeal of Kellin Quinn
At 39 years old, Kellin Quinn has achieved a rare level of success and longevity in the fickle world of rock music. His career with Sleeping with Sirens has produced numerous hits, and his vocal talent remains one of the most recognizable in the genre.
The foundation of his life, built with his wife, Katelynne Quinn, and their family, provides a grounded perspective that he often shares with his fans. His openness about his personal life, combined with his continuous musical innovation—most recently with the Haunted Mouths project—ensures that Kellin Quinn will remain a relevant and influential figure for years to come. Whether he is screaming on stage with SWS or performing a meditative track as Haunted Mouths, his passion for music is undeniable as he heads toward his 40s.
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