IT
Isaac Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clifton-Forge-City-County, Virginia
Our Model Tree links this Isaac Thompson across the 1930 and 1940 US Censuses in Clifton-Forge-City-County, Virginia (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clifton-Forge-City-County, Virginia |
| Surname | Thompson |
| Given Name | Isaac H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Clifton Forge City |
| 1935 Residence (County) | Alleghany |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Clifton Forge City |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Bernice Brown | Other | — | 13 | ~1927 |
| Beatrice Thompson | Daughter | — | 4 | ~1936 |
| Shirley Thompson | Daughter | — | 5 | ~1935 |
| Isaac Thompson | Head | — | 33 | ~1907 |
| Veloria Thompson | Daughter | — | 9 | ~1931 |
| Sharleel Thompson | Daughter | — | 7 | ~1933 |
| Katie Thompson | Spouse | — | 33 | ~1907 |
| Irene Thompson | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Alleghany, Virginia
Son, age 22
Alleghany, Virginia · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Engine Oiler |
| Industry | Railroad Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Clifton-Forge-City-County, Virginia
Head, age 33
Clifton-Forge-City-County, Virginia · implied b. ~1907 — 8 household members
| Surname | Thompson |
| Given Name | Isaac H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Clifton Forge City |
| 1935 Residence (County) | Alleghany |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Isaac Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Thompson
Head · 1940 · age 33 · b. ~1907 · Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clifton-Forge-City-County, Virginia
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1940 US Federal Census — Clifton-Forge-City-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04306-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Couch | 22 | Wife | — | Kentucky |
| 2 | Thomas Ed Jr Couch | 2 | Son | — | Virginia |
| 3 | Irma Jean Couch | 0 | Daughter | — | Virginia |
| 4 | Anna Taylor Couch | 61 | Mother | Cook | Virginia |
| 5 | Frank Bradley | 20 | Brother-in-law | Porter | Virginia |
| 6 | Harry A. Wheeler | 32 | Head | Laborer | Virginia |
| 7 | Mauly B. Wheeler | 23 | Wife | — | Virginia |
| 8 | Richard Wheeler | 7 | Son | — | Virginia |
| 9 | Juanita G. Wheeler | 6 | Daughter | — | Virginia |
| 10 | Sariabel Wheeler | 5 | Daughter | — | Virginia |
| 11 | Harry A. Jr. Wheeler | 3 | Son | — | Virginia |
| 12 | Alfred Cunningham | 49 | Head | Laborer | Virginia |
| 13 | Roberta Cunningham | 37 | Wife | — | Virginia |
| 14 | Henry A. Cunningham | 21 | Son | — | Virginia |
| 15 | Adam Cunningham | 19 | Son | Laborer | Virginia |
| 16 | James J. Cunningham | 18 | Son | Truck Driver | Virginia |
| 17 | Alice R. Cunningham | 16 | Daughter | — | Virginia |
| 18 | Mildred M. Cunningham | 16 | Daughter | — | Virginia |
| 19 | Floyd Jeter | 23 | Son-in-law | Car Washer | Virginia |
| 20 | Eva Agnes Jeter | 19 | Daughter | — | Virginia |
| 21 | Floyd W. Jeter | 0 | Grand-son | — | Virginia |
| 22 | Tommy Carter | 30 | Head | Laborer | Virginia |
| 23 | Viola C. Carter | 30 | Wife | — | Virginia |
| 24 | Leola C. Carter | 15 | Daughter | — | Virginia |
| 25 | Ida C. Carter | 13 | Daughter | — | Virginia |
| 26 | Florence Bowles | 23 | Head | — | Virginia |
| 27 | Eugene Bowles | 38 | Son | Brakeman | Virginia |
| 28 | Minnie L. Hughes | 45 | Head | Janitor | Virginia |
| 29 | Minnie R. Hughes | 38 | Wife | — | Virginia |
| 30 | Charles Henry Hughes | 15 | Son | — | Virginia |
| 31 | Minnie Lou Hughes | 9 | Daughter | — | Virginia |
| 32 | Isaac H. Thompson THIS PERSON | 33 | Head | Laborer | Virginia |
| 33 | Katie B. Thompson | 33 | Wife | — | Virginia |
| 34 | Veloria A. Thompson | 9 | Daughter | — | Virginia |
| 35 | Sharleel L. Thompson | 7 | Daughter | — | Virginia |
| 36 | Shirley Mae Thompson | 5 | Daughter | — | Virginia |
| 37 | Beatrice L. Thompson | 4 | Daughter | — | Virginia |
| 38 | Irene Margaret Thompson | 2 | Daughter | — | Virginia |
| 39 | Bernice L. Brown | 13 | Sister-in-law | — | Virginia |
| 40 | Gladys T. Moore | 39 | Head | — | Virginia |
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)