Question: What singer, is a founding and former member of the all-female irish musical ensemble conceived and created by David Kavanagh, Sharon Browne and David Downes?

full_context: Document 1: David Downes (Irish composer): David Downes (born 9 June 1975) is a composer, pianist, producer, and musical director who is best known for being the co-founder and musical director of the all-female Irish ensemble Celtic Woman.
Document 2: Rita Connolly: Rita Connolly is a singer who has lived and worked in Ireland. She is primarily known for her work with composer Shaun Davey who wrote a song cycle for her called "Granuaile" based on the 16th-century pirate queen Gráinne O'Malley as well as including her in other of his works such as "The Relief of Derry Symphony", "The Pilgrim Suite" and his Special Olympics music which was specially composed in 2003. Rita Connolly and Ronan Tynan sang the anthem song "May We Never Have to Say Goodbye" which topped the Irish charts for two weeks. She has also produced two solo albums, one with the eponymous title "Rita Connolly", and the second "Valpariso" on the Tara Music label.
Document 3: Lisa Kelly: Lisa Ann Kelly or Lisa Olivia Mary Sinead Kelly (Irish: Laoise Ní Cheallaigh, born May 7, 1977) is a singer of both classical and Celtic music. She has taken part in many musical theatre productions and concerts, and is a founding and former member of the musical group Celtic Woman.
Document 4: Feadóga Stáin: Feadóga Stáin, Mary Bergin's debut album, has been credited with establishing the tin whistle as one of the first tier among the standard instruments of Irish Traditional Music. Members of Irish group De Dannan contributed accompaniment and the album is mostly a trio of tin whistle, Irish bouzouki and Bodhrán (Irish frame drum) . This album has been cited by Joanie Madden as highly influential in the development of her own playing, and is generally considered by critics and scholars as a "definitive" or milestone album.
Document 5: The Cranberries: The Cranberries are an Irish rock band who formed in Limerick in 1989. The band consists of lead singer Dolores O'Riordan, guitarist Noel Hogan, bassist Mike Hogan, and drummer Fergal Lawler. Although widely associated with alternative rock, the band's sound also incorporates indie pop, post-punk, Irish folk, and pop rock elements.
Document 6: Iarla Ó Lionáird: Iarla Ó Lionáird (born 18 June 1964) is an Irish singer and record producer. He sings in the traditional sean-nós style. He was a member of the Afro Celt Sound System and is a member of the Irish-American supergroup The Gloaming. He has recorded several solo albums for Real World Records. He appeared in the 2015 film "Brooklyn" singing an a cappella version of the Irish folk song "Casadh an tSugain".
Document 7: Celtic Woman: Voices of Angels: Celtic Woman: Voices of Angels is the eleventh studio album by the group Celtic Woman. "Voices of Angels" features vocalists Susan McFadden, Mairead Carlin, Éabha McMahon, and fiddler Tara McNeill, with former member Méav Ní Mhaolchatha as a guest. This was Celtic Woman's first album to feature their newest member Tara McNeill.
Document 8: Celtic Woman: Celtic Woman is an all-female Irish musical ensemble conceived and created by David Kavanagh, Sharon Browne and David Downes, a former musical director of the Irish stage show "Riverdance." In 2004, he recruited five Irish female musicians who had not previously performed together: vocalists Chloë Agnew, Órla Fallon, Lisa Kelly and Méav Ní Mhaolchatha, and fiddler Máiréad Nesbitt, and shaped them into the first lineup of the group that he named "Celtic Woman", a specialty group. Downes chose a repertoire that ranged from traditional Celtic tunes to modern songs.
Document 9: The Gloaming (group): The Gloaming is a contemporary Irish music supergroup formed in Ireland in 2011 consisting of musicians Martin Hayes, Iarla Ó Lionáird, Caoimhín Ó Raghallaigh, Dennis Cahill and New York pianist/producer Thomas Bartlett aka Doveman.
Document 10: Celtic Woman (album): Celtic Woman is the eponymous debut album of Irish singing group Celtic Woman. The members of the group were first featured on a PBS musical special of the same name. With the help of the said special, Celtic Woman reached #1 on the World Music charts within weeks and remained there for a record 81 weeks.
Document 11: Úna Palliser: Una Palliser is an Irish born, London based violinist, violist, singer and multi-instrumentalist who as well as being classically trained, is recognised for her proficiency in many musical genres, including rock, jazz, Balkan and Irish folk. She is best known for her collaborations and role as guest soloist with many high profile artists, including Shakira, A.R.Rahman, Leona Lewis, Terrafolk and Otis Taylor and as the singer of Irish folk song Mo Ghile Mear on the Specsavers 'Collie Wobble' advertisement. Una is also the solo Irish singer on the end credits of BBC 6 part tv series My Mother and Other Strangers and the singer of the theme tune for BBC 6 part series
Document 12: Riverdance: Riverdance is a theatrical show consisting mainly of traditional Irish music and dance. Featuring Irish dancing champions Jean Butler and Michael Flatley, and with a score composed by Bill Whelan, it originated as an interval performance act during the 1994 Eurovision Song Contest. Shortly afterwards, husband and wife production team John McColgan and Moya Doherty expanded it into a stage show, which opened in Dublin on 9 February 1995. Since then, the show has visited over 450 venues worldwide and been seen by over 25 million people, making it one of the most successful dance productions in the world.
Document 13: Máiréad Carlin: Máiréad Carlin is an Irish singer and a member of the ensemble Celtic Woman.
Document 14: Mairéad Ní Mhaonaigh: Mairéad Ní Mhaonaigh (] ) (born 26 July 1959) is an Irish fiddler and the lead vocalist for the Irish folk music band Altan, which she co-founded with her late husband Frankie Kennedy in 1987. Today, Mairéad is recognised as a leading exponent in the Donegal fiddle style, and she is often considered as one of the foremost singers in the Irish language, her native tongue. She was part of the Irish supergroup T with the Maggies who performed in January 2009 at Temple Bar TradFest in Dublin their first ever two concerts under that name and who released in October 2010 their debut (and to date only) album. After nearly 22 years with Altan, Mairéad released in February 2009 her debut solo album "Imeall". After 29 years with Altan, Mairéad released in October 2016 her alternate band Na Mooneys' debut album "Na Mooneys".
Document 15: Celtic Woman: A New Journey: Celtic Woman: A New Journey is the second on-stage production by the group Celtic Woman. The show was filmed at Slane Castle in County Meath, Ireland and featured Hayley Westenra as a new addition to the group. The album was released on 30 January 2007. This album broke a long-standing record when it surpassed the 81-week run of the original "Celtic Woman" album. The Celtic Woman performers change their outfits at least three times.
ground_truth: Lisa Kelly