found: Clearwater, 1974:container insert (Louis Killen, lead singer)
found: Clancy Brothers. The Clancy Brothers' greatest hits [SR] p1986:container (Lou Killen) insert (vocals, concertina, pennywhistle)
found: Guinness enc. of pop. mus., 2nd ed.(Killen, Louis; b. Jan. 1934, Gateshead, County Durham, England; folk singer)
found: Guardian (online), viewed Aug. 19, 2013(Louis Killen, later Louisa Jo Killen; b. Jan. 10, 1934, Gateshead; d. Aug. 9, 2013; member of the Clancy Brothers who was one of the great singers and influential figures of the British folk revival; lived as a woman from 2010; had first lived as a transgender person while based in the US in the 1990s)
found: New York times (online), viewed Aug. 26, 2013(in obituary published Aug. 25: Louisa Jo Killen; b. Louis Joseph Killen, Jan. 10, 1934, Gateshead; d. there Aug. 9, aged 79; English folk singer; began living openly as a woman in 2010, adopting the name Louisa Jo Killen)