Neill was born in Maryland, United States and started playing the harp at the age of nine, after taking several years of piano lessons.
As a teenager she performed for then-President Bill Clinton, Congressman Richard Neal and Senators Ted Kennedy and George Mitchell as well as with The Chieftains and Derek Bell at the Kennedy Center Concert Hall in Washington DC, in his final two performances there.
Neill received a first class honours degree from the University of Limerick's Irish World Academy and released her debut CD, Without Words, while still a student.
The CD earned her the 2006 New Female Artist of the Year Award from LiveIreland.com and the Irish-American News.
She recorded with Finnish rock band Carmen Gray on their debut album for Sony BMG and performs in both solo and group line-ups in Europe and the United States.