Born as Kellin Quinn Bostwick and widely known as just Kellin Quinn, is a celebrated American singer. He was born in the year 1986 and celebrates his birthday on April 24 every year. He is most known as the lead vocalist of the post-hardcore rock band from Orlando, Florida called Sleeping with Sirens, along with band members Justin Hills, Jack Fowler and Gabe Barham. Kellin is famous for his versatility as a vocalist and his tenor leggiero vocal range. He writes most of the song for the band.

He was born in Oregon, United States as a son to father Jeuse and mother Mary Quinn. He has four siblings, two brothers and two sisters Kailey and Harper. He is an American by nationality and follows Christianity as his religion.  Besides that, there is little or no information on how he was raised and where did he get his education. He revealed in an interview that he was interested in music from a very young age and aspired to have a career in music.

He started his career with a band called Closer 2 Closure. He was also associated with other bands such as For All We Know, Screenplay, and Our Name In City Light. In 2009, members of the bands Broadway, For Al We Know and We are Defiane formed a band called Sleeping with Sirens, with the dream of taking the world by storm. Quinn joined the band during it formation as the lead vocalist. Since then, his awesome vocal skills has taken the band to new heights. The band has been doing great in the American music industry with several of its songs finding a place in the US 200, US Indie, US Hard Rock and US Heat list. Sleeping with sirens has released three studio albums With Ears to See and Eyes to Hear on 23rd March, 2010 and Let’s Cheers to This in 10 May, 2011. By the time the band’s released its2013 album Feel, they area already become big in the music industry and thus entered the third position at the US 200 list. On 26 June, 2012 the band released their first Acoustic EP titled If You Were a Movie, This Would Be Your Soundtrack. Besides that, he has covered Cee Lo Green's song "Fuck You."

He married at a young age. His wife is Katelynn. She had two sons from her previous relationship. After the couple tied the knot, Liam and Rowan have become Quinn’s step sons. Quinn and Katelynn welcomed their first baby, a daughter, Copeland. Currently, he is living a happy married life with his wife and kids in his home in Medford, Oregon. He seems to be content to the fullest and from the looks of it, divorce is out of the picture for many years to come. He is quite fond of tattoos and has inked several parts of his body. He has an eighth note on his left wrist, a bass clef on his right wrist and a treble clef on his elbow. He also has a lion tattooed on his right forearm, a lock over his heart and ‘Before 'You' I Serve Nothing’ tattooed on his chest and many others.

At a young age of 28, he has achieved so much in his life. He serves as a role model to numerous people all over the world and his band’s music has been able to save many lives alone. He is also famous for his inspirational quotes that many young people can relate to. Quinn has an outstanding personality and he stands tall at the height of 5 feet and 8 inches. He is quite popular in social media sites like Facebook, Instagram and Twitter. He is a good user of all three sites frequently updating his profile with quotes, photos and tweets. Wiki is yet to add his bio.