ET
Ellen Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Prince-William-County, Virginia
Our Model Tree links this Ellen Thompson across the 1930 and 1940 US Censuses in Prince-William-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Prince-William-County, Virginia |
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Prince Wm |
| Additional Details | |
| Occupation | Scholar |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Scholar |
| Township / Ward | Occoquan Dist |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Edw Thompson | Head | — | 26 | ~1914 |
| Edw Thompson | Son | — | 2 | ~1938 |
| Ellen Thompson | Daughter | — | 17 | ~1923 |
| Nancy Thompson | Daughter | — | 13 | ~1927 |
| Charlotte Thompson | Daughter | — | 20 | ~1920 |
| Hannah Thompson | Spouse | — | 24 | ~1916 |
Census Appearances
1930
Prince William, …
Daughter, age 6
Prince William, Virginia · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Prince-William-County, Virginia
Daughter, age 17
Prince-William-County, Virginia · implied b. ~1923 — 6 household members
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Prince Wm |
| Occupation | Scholar |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Virginia |
| 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 Ellen Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Thompson
Daughter · 1940 · age 17 · b. ~1923 · Virginia
★ You are viewing this record
Sibling
Charlotte Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edw Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Prince-William-County, Virginia
Open full size
1940 US Federal Census — Prince-William-County, Virginia
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-04286-00488)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bruce Reid | 9 | Son | — | Virginia |
| 42 | Lois Reid | 3 | Daughter | — | Virginia |
| 43 | Vera Reid | 0 | Daughter | — | Virginia |
| 44 | Edw. D. Thompson | 26 | Head | Owner | Virginia |
| 45 | Hannah Thompson | 24 | Wife | — | Virginia |
| 46 | Edw. Jr. Thompson | 2 | Son | Laborer | Virginia |
| 47 | Charlotte Thompson | 20 | Daughter | Scholar | Virginia |
| 48 | Ellen Thompson THIS PERSON | 17 | Daughter | Scholar | Virginia |
| 49 | Nancy Thompson | 13 | Daughter | — | Virginia |
| 50 | Nellie F. Arnold | 59 | Head | — | Virginia |
| 51 | Harvey Arnold | 29 | Son | Laborer | Virginia |
| 52 | Lula Arnold | 28 | Daughter | — | Virginia |
| 53 | Rowena Arnold | 21 | Daughter | — | Virginia |
| 54 | Burton James | 19 | Boarder | Laborer | Virginia |
| 55 | Jarret Armstrong | 55 | Head | Manager | Virginia |
| 56 | Mary E. Armstrong | 47 | Wife | — | Virginia |
| 57 | John Son Armstrong | 20 | Son | Laborer | Virginia |
| 58 | William Son Armstrong | 18 | Son | Laborer | Virginia |
| 59 | James A. Fling | 66 | Head | Officer | Virginia |
| 60 | Edith Fling | 63 | Wife | — | Virginia |
| 61 | Guy S. Fling | 43 | Son | Mail Clerk | Virginia |
| 62 | Carrie Fling | 29 | Daughter | — | Virginia |
| 63 | T. H. Witt | 44 | Head | Officer | No. Carolina |
| 64 | Garnett Witt | 46 | Wife | — | Indiana |
| 65 | Barbara Witt | 16 | Daughter | — | Indiana |
| 66 | Judith Witt | 15 | Daughter | — | Indiana |
| 67 | Chas. D. Carder | 44 | Head | Officer | Virginia |
| 68 | Rosa Carder | 44 | Wife | — | Virginia |
| 69 | Vernon Carder | 19 | Son | — | Virginia |
| 70 | Dorothy Carder | 14 | Daughter | — | Virginia |
| 71 | Chas. Jr. Carder | 7 | Son | — | Virginia |
Related Census Records
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)