Rubuta ci gaba don wannan sakin layi - An haifi Thomas Glascock, Jr. a Augusta, Georgia a ranar 21 ga Oktoba, 1790, shekaru bakwai bayan ƙarshen Yaƙin Amurka na Independence. Ya yi karatun shari'a, ya sami shiga cikin lauya na jihar, kuma ya fara aikin lauya a cikin aikin da zai tallafawa aikinsa na siyasa na gaba. Duk mahaifinsa da kakansa sun bambanta kansu a cikin aikin soja da siyasa ga sabuwar Amurka. Birgediya Janar Thomas Glascock Sr. ya ceci Count Casimir Pulaski daga Siege na Savannah
, yayin da yake aiki a Georgia a Virginia Dragoons a lokacin juyin juya halin Amurka. Janar Glascock na gaba da aka nada shi a matsayin "Marshal of Georgia" ya ba shi shugaban George Washington a ranar 31 ga Mayu, 1794. Kakan Thomas Jr shi ne Kanar William Glascock, wanda ya kasance gwamnan Georgia na wani lokaci a lokacin juyin juya halin Amurka a Augusta. Shugaba George Washington ya zauna tare da William a gonar iyalin Glascock a Augusta a lokacin shugabancinsa.