JT
John Thomson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Anderson-County, South Carolina
Our Model Tree links this John Thomson across the 1920, 1930 and 1940 US Censuses in Anderson-County, South Carolina (XGBoost, ~Confirmed), with identified parents Connie & Carrie — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Anderson-County, South Carolina |
| Surname | Thomson |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Anderson City |
| 1935 Residence (County) | Anderson |
| Additional Details | |
| Occupation | Accountant |
| Industry | Dept. of Int. Rev. |
| Class of Worker | GW |
| Hours Worked | 39 |
| Income (1939) | 2600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Accountant |
| Township / Ward | Anderson City |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Thomson | Head | — | 39 | ~1901 |
| Frances Thomson | Son | — | 3 | ~1937 |
| John Thomson | Son | — | 7 | ~1933 |
| Elvera Thomson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Anderson, South …
Son, age 18
Anderson, South Carolina · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomson |
| Given Name | John W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Anderson, South …
Son, age 28
Anderson, South Carolina · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomson |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Principal |
| Industry | State High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Anderson-County, South …
Head, age 39
Anderson-County, South Carolina · implied b. ~1901 — 4 household members
| Surname | Thomson |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Anderson City |
| 1935 Residence (County) | Anderson |
| Occupation | Accountant |
| Industry | Dept. of Int. Rev. |
| Class of Worker | GW |
| Hours Worked | 39 |
| Income (1939) | 2600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 John Thomson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Connie Thomson (~0.92 confidence) and mother Carrie Thomson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Connie Thomson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Carrie Thomson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thomson
Head · 1940 · age 39 · b. ~1901 · South Carolina
★ 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 — Anderson-County, South Carolina
Open full size
1940 US Federal Census — Anderson-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03785-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert T. Mitchell | 19 | Son | — | South Carolina |
| 2 | Charles M. Landers | 50 | Head | Dentist | South Carolina |
| 3 | Kate Landers | 44 | Wife | — | Minnesota |
| 4 | Nancy Landers | 18 | Daughter | — | South Carolina |
| 5 | Betty Landers | 16 | Daughter | — | South Carolina |
| 6 | Sowell Henry | 34 | Head | Manager | Ohio |
| 7 | Mary Henry | 34 | Wife | — | South Carolina |
| 8 | Raymond C. Matthews | 54 | Head | — | South Carolina |
| 9 | Eileen Matthews | 50 | Wife | — | South Carolina |
| 10 | J. C. Calhoun | 44 | Head | Servant | South Carolina |
| 11 | Rosa Calhoun | 45 | Wife | — | South Carolina |
| 12 | S. H. Haddock | 37 | Head | Doctor | Georgia |
| 13 | Ardella Haddock | 39 | Wife | — | Pennsylvania |
| 14 | Samuel J. Haddock | 10 | Son | — | Georgia |
| 15 | William Haddock | 8 | Son | — | Georgia |
| 16 | Nan Haddock | 4 | Daughter | — | South Carolina |
| 17 | Fred B. Ledbetter | 36 | Head | Architect | South Carolina |
| 18 | Alice Ledbetter | 31 | Wife | — | Georgia |
| 19 | Ann B. Ledbetter | 3 | Daughter | — | South Carolina |
| 20 | Virginia S. Watson | 56 | Head | — | South Carolina |
| 21 | J. Ernest Watson | 23 | Son | — | South Carolina |
| 22 | Virginia Watson | 17 | Daughter | — | South Carolina |
| 23 | Corrie Mims | 35 | Servant | Servant | South Carolina |
| 24 | William S. Watkins | 29 | Head | Sawyer | South Carolina |
| 25 | Frances Watkins | 23 | Wife | — | South Carolina |
| 26 | Sarah S. Watkins | 5 | Daughter | — | South Carolina |
| 27 | John W. Thomson THIS PERSON | 39 | Head | Accountant | South Carolina |
| 28 | Elvera Thomson | 37 | Wife | — | Minnesota |
| 29 | John R. Thomson | 7 | Son | — | South Carolina |
| 30 | Frances M. Thomson | 3 | Son | — | South Carolina |
| 31 | Thomas J. Griffin | 55 | Head | R. F. D. Carrier | South Carolina |
| 32 | Macie Griffin | 52 | Wife | — | South Carolina |
| 33 | Claude Griffin | 16 | Son | — | South Carolina |
| 34 | Martha Griffin | 14 | Daughter | — | South Carolina |
| 35 | Harry W. Jones | 53 | Head | Superintendent | South Carolina |
| 36 | Emma Jones | 51 | Wife | — | Georgia |
| 37 | Windburn Jones | 21 | Son | Substitute | South Carolina |
| 38 | Joan Jones | 16 | Daughter | — | South Carolina |
| 39 | Jean Jones | 14 | Daughter | — | South Carolina |
| 40 | Zoe M. Parker | 49 | Head | — | Georgia |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)