How "deep" are you into the Kirby-surname? Violet's father had a sister Mattie Pearl Fawver (15 Mar 1884 - 22 May 1930) and half-siblings surname-Lack. The 1910 Concho census shows Lindsey Lackey age 18 as a half-brother. Correct identification is Thomas Linzie Lack (26 May 1891 - 19 Aug 1963), son of John Lack and Mary Alice Crenshaw. Lookup John Lack in 1900 Navarro.