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Margaret Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Tennessee
Our Model Tree links this Margaret Thomas across the 1920, 1930 and 1940 US Censuses in Union-County, Tennessee (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 3-person household.
Age 62
b. ~1878
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Tennessee |
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Maynardville |
| Est. Birth Year | ~1878 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| A Thomas | Head | — | 60 | ~1880 |
| Roger Thomas | Son | — | 12 | ~1928 |
| Margaret Thomas | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Union, Tennessee
Spouse, age 41
Union, Tennessee · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Union, Tennessee
Other, age 52
Union, Tennessee · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 21 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Union-County, Tennessee
Spouse, age 62
Union-County, Tennessee · implied b. ~1878 — 3 household members
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Margaret Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Thomas
Spouse · 1940 · age 62 · b. ~1878 · Tennessee
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, Tennessee
Open full size
1940 US Federal Census — Union-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03942-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. P. Clay | 11 | Guest | — | Tennessee |
| 2 | A. H. Clay | 8 | Guest | — | Tennessee |
| 3 | Earl Clay | 5 | Guest | — | Tennessee |
| 4 | A. J. Thomas | 60 | Head | Labour | Tennessee |
| 5 | Margaret Thomas THIS PERSON | 62 | Wife | — | Tennessee |
| 6 | Roger W. Thomas | 12 | Son | — | Tennessee |
| 7 | Herbert Davis | 43 | Head | Farmer | Tennessee |
| 8 | Maud Davis | 37 | Wife | — | Tennessee |
| 9 | Jean Davis | 11 | Daughter | — | Tennessee |
| 10 | C. L. Braden | 36 | Head | Farmer | Tennessee |
| 11 | Alice Braden | 40 | Wife | — | Tennessee |
| 12 | Joyce Braden | 4 | Daughter | — | Tennessee |
| 13 | Johnnie Braden | 1 | Son | — | Tennessee |
| 14 | Lewis Davis | 81 | Father | — | Kentucky |
| 15 | A. L. Vandagriff | 66 | Head | Farming | Tennessee |
| 16 | Ada Vandagriff | 39 | Wife | — | Tennessee |
| 17 | Lorene Vandagriff | 17 | Daughter | — | Tennessee |
| 18 | John Vandagriff | 15 | Son | — | Tennessee |
| 19 | Joe Vandagriff | 12 | Son | — | Tennessee |
| 20 | Wm. Manis | 29 | Head | Tractor | Tennessee |
| 21 | Frankie Manis | 25 | Wife | — | Tennessee |
| 22 | John Manis | 8 | Son | — | Tennessee |
| 23 | Mildred Manis | 1 | Daughter | — | Tennessee |
| 24 | Lewis Phelps | 65 | Head | Farmer | Tennessee |
| 25 | Laura Phelps | 59 | Wife | — | Tennessee |
| 26 | Gene Phelps | 32 | Son | Labour | Tennessee |
| 27 | Flip Phelps | 25 | Son | Labour | Tennessee |
| 28 | Walter Phelps | 20 | Son | Labour | Tennessee |
| 29 | Lon Phelps | 17 | Son | — | Tennessee |
| 30 | May Phelps | 15 | Son | — | Tennessee |
| 31 | Beulah Phelps | 23 | Daughter | — | Tennessee |
| 32 | Richard Phelps | 6 | Grandson | — | Tennessee |
| 33 | Roger Phelps | 3 | Grandson | — | Tennessee |
| 34 | Bettie Phelps | 2 | Daughter | — | Tennessee |
| 35 | Parson Phelps | 24 | Head | Labour | Tennessee |
| 36 | Mary Phelps | 20 | Wife | — | Tennessee |
| 37 | Kenneth Phelps | 3 | Son | — | Tennessee |
| 38 | Bonnie Phelps | 2 | Daughter | — | Tennessee |
| 39 | Dorothy Phelps | 1 | Daughter | — | Tennessee |
| 40 | Austin Lay | 25 | Head | Dairy Man | Tennessee |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)