
McLoughlin started uploading videos to YouTube under the name "jacksepticeye" in December 2012, initially doing voice impressions before switching to making gameplay content. Among the reasons for the move were the city's strong LGBTQ and vegan communities, and concerns about personal privacy after fans found his home in Athlone. He lived in Athlone until 2017, when he moved to Brighton, England. He then moved to an apartment in Athlone, County Westmeath in 2014, where he studied hotel management at Athlone Institute of Technology, earning a Bachelor of Arts ( Honours) degree. In the third year of the degree, McLoughlin decided to drop out and return home to Ballycumber. McLoughlin studied music technology and production at Limerick Institute of Technology.

When he was 18, McLoughlin and his family moved to a cabin in Ballycumber. He was given his "Jack Septic Eye" nickname after a childhood accident during a football match in which he injured his eye. McLoughlin began playing video games at the age of seven, and as a child he spent time playing on the Nintendo Game Boy in a neighbourhood treehouse, later describing how he found a sense of belonging in the games. His father worked for the ESB and his mother worked a number of jobs before becoming a carer for his grandmother. He was raised in Cloghan and also lived for a time in Banagher.

1936 – 27 January 2021 ) and Florrie McLoughlin. Seán William McLoughlin was born on 7 February 1990 in Cloghan, County Offaly, Ireland, the youngest of five children to John ( c. He has participated in fundraisers that have raised tens of millions for charity.

He is the co-founder of the clothing brand Cloak, along with fellow YouTuber Markiplier, and the founder and owner of the Top of The Mornin' Coffee company. As of December 2022, his channel has over 15.8 billion views and 28.9 million subscribers, and is the most-subscribed Irish channel. Seán William McLoughlin (born 7 February 1990), better known as Jacksepticeye, is an Irish YouTuber, best known for his vlogs and comedic Let's Play series.
