The Lincolns' fourth son, Thomas "Tad" Lincoln, was born on April 4, 1853, and died of heart failure at the age of 18 on July 16, 1871.
Četvrto dijete Thomas "Tad" Lincoln, rođen je 4. travnja 1853., a preminuo je od popuštanja srca u dobi od 18 godina 16. srpnja 1871.