A study of the Gaddis households in the 1820 and 1830 Ohio and Indiana censuses (with spelling variations) would go a long way toward identifying the several Gaddis lines in the US today. The Old Northwest was a crossroads, of sorts, on the way west. It seems that Ohio was populated by a lot of Pennsylvanians, Virginians, New Yorkers, and Irish and that Indiana was settled by those groups moving west as well as by Gaddises up from Kentucky and North Carolina.
So here is a list of the Gaddis households in the 1820 Ohio and Indiana censuses (drawn from the ancestry.com census index with spellings as shown in that index) with some notes I have added. If anyone can add to the identities of these households please jump in. The numbers below the notes are the census category counts from the 1820 census (six male categories, five female categories, four other categories). Where x’s appear the counts were not available or not readable.
OHIO 1820
Name Location (Twp, County, State)
01. Thomas Gaddes - Union, Clinton, Ohio
This is Col. Thomas Gaddis who moved to Clinton Co, OH in 1814 from Fayette Co, PA
000011 00101 0100
02. Thomas Gaddis - Chester, Clinton, Ohio
This is Col. Thomas Gaddis nephew (son of John Gaddis) who also moved to Clinton Co, OH in 1814 from Fayette Co, PA.
220011 20201 0100
03. William Gaddis - Chester, Clinton, Ohio
This is Col. Thomas Gaddis nephew (son of John Gaddis) who also moved to Clinton Co, OH in 1814 from Fayette Co, PA.
110101 21110 0100
04. Henry Gaddis - Tuscarawas, Stark, Ohio
This Henry Gaddis moved to Stark Co, OH in 1812 from Fayette Co, PA. He is brother to Col. Thomas Gaddis above.
xxxxxx xxxxx xxxx
05. Abner Geddes - East Union, Wayne, Ohio
Son of Henry Gaddis above who moved to Stark Co, OH in 1812 from Fayette Co, PA.
xxxxxx xxxxx xxx
06. William Gaddis - Randolph, Miami, Ohio
Unknown – perhaps missing son of Capt Rees Gaddis of Washington Co, PA and Campbell Co, KY?
401201 12110 0300
07. John Gadiz - Clinton, Knox, Ohio
Unknown
110202 21010 0100
08. Henry Gaddes - Mount Pleasant, Jefferson, Ohio
Unknown.
000010 10010 0000
09. John Gaddes - St Clair, Columbiana, Ohio
Unkown – possibly related to Joseph Geddes family of Columbiana Co, OH and later of Tuscarawas Co, OH and Indiana and Illinois?
110211 01010 0400
10. Robert Gaddis - Huntington, Brown, Ohio
The well-documented Robert Gaddis and Mary Ann Frazier family from Ireland who came to Ohio in 1817 from Lancaster, PA
030101 xxxxx xxxx
11. James Geddes - Liberty, Trumbull, Ohio
Unkown.
030301 00001 0700
12. William G Geddes - Cadiz, Harrison, Ohio
Unknown.
100110 30010 xxxx
13. Henry Gettis - Goshen, Belmont, Ohio
Unknown.
010010 00010 1101
14. James Gettis - Manchester, Morgan, Ohio
Unknown.
xxxxxx xxxxx xxxx
INDIANA 1820
Name Location (Twp, County, State)
15. John Gaddis - Jennings, Indiana
Unkown.
000100 10100 0100
16. James Geddis - Jefferson, Indiana
Unkown.
120010 21010 0100