The following is a summary of acts which authorized boundary changes for Lincoln County.
- Private Acts of 1811, Chapter 13, states that some doubt has arisen as to whether or not the dividing line between Lincoln and Giles Counties, as it was marked by the commissioner who laid off Giles County, is correct, this act confirms and ratifies that line as it was so marked as the true and correct boundary between Lincoln County and Giles County.
- Acts of 1835-36, Chapter 35, established Marshall county. Lincoln County is only mentioned as a demarcation reference point in the act. No land was either added to or taken from Lincoln County due to this act.
- Private Acts of 1849-50, Chapter 110, Section 2, changed the line between Lincoln and Giles Counties so that the residence of Thomas Collins is included in Giles County and the land commencing at the 8 mile post from the buckeye corner of Giles, Bedford, and Lincoln Counties and running east about 600 yards to the top of a ridge between John D. Jones, of Giles County, and Benjamin F. White, of Lincoln County thence with the said ridge due north to the Marshall County line. The County Surveyors of either county may run and mark the line in accordance with the terms of this act.
- Private Acts of 1855-56, Chapter 161, Section 5, moved the residence and farm belonging to Allen Johnson out of Lincoln County and into Franklin County.
- Private Acts of 1855-56, Chapter 163, Section 23, changed the lines between the 19th and the 20th Civil Districts of Lincoln County so as to include the town of Camargo completely within the 19th Civil District.
- Private Acts of 1859-60, Chapter 100, transferred the home and land belonging to C. H. Bean from Lincoln County into Franklin County.
- Private Acts of 1867-68, Chapter 20, detached the residence and land belonging to William Buchanan out of Lincoln County and attached the same to the Fourth Civil District of Marshall County.
- Private Acts of 1887, Chapter 99, moved the lands and improvements owned by L. J. Robertson, as they were generally described, out of Lincoln County and into the Seventh Civil District of Moore County.
- Private Acts of 1905, Chapter 67, provided that the properties belonging to T. M. Liles would be wholly included in the county of Marshall and removed from Lincoln County.
- Private Acts of 1905, Chapter 91, changed the boundaries between Lincoln and Moore Counties so as to include the land and home of J. L. Foster wholly within Moore County.
- Private Acts of 1905, Chapter 136, altered the lines between Lincoln and Moore Counties so as to include what is known as the Dave Wagster place on Chestnut Ridge, consisting of about two acres being the same place recently purchased by Joe Stevenson, wholly within the boundaries of Lincoln County.
- Private Acts of 1913, Chapter 218, moved all the properties belonging to E. H. Davis out of the Fifth Civil District of Lincoln County and into the First Civil District of Moore County.
- Private Acts of 1917, Chapter 59, detached the lands of Spoon Motlow from Lincoln County and attached the same to the First Civil District of Moore County.
- Private Acts of 1927, Chapter 735, changed the boundary lines between Moore and Lincoln Counties so as to include about ten acres of land belonging to J. J. Prosser wholly within the boundaries of the 8th Civil District of Moore County.
- Private Acts of 1939, Chapter 343, transferred the house and lot owned by H. G. Hicks located in the Tenth Civil District of Lincoln County to be included wholly within the lines of Moore County.
- Private Acts of 1939, Chapter 362, changed the lines between Lincoln and Moore Counties so as to include the house and lot containing about two acres and belonging to J. P. Murray, and wife, Joe Annie Murray, wholly within the Tenth Civil District of Lincoln County.
- Private Acts of 1947, Chapter 357, detached from the Fifth Civil District of Lincoln County approximately 195 acres of land owned by G. B. Waggoner, and wife, Martha J. Waggoner, as the same was generally described in the act, and attached the same to the Seventh Civil District of Moore County.
- Private Acts of 1947, Chapter 358, removed from the Fifth Civil District of Lincoln County about 404 acres of land belonging to Reagor Motlow bounded as the area was generally described in the act, and about 97 acres of land belonging to Conner Motlow and attached both tracts to the First Civil District of Moore County.