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Nancy Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Nancy Thompson across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pine township First district |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pine Township First District |
| Est. Birth Year | ~1929 |
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 Nancy | Age | Birth yr |
|---|---|---|---|---|
| David Thompson | Son | — | 2 | ~1938 |
| Robert Thompson | Son | — | 10 | ~1930 |
| Nancy Thompson | Daughter | — | 11 | ~1929 |
| Glenn Thompson | Son | — | 6 | ~1934 |
| Mary Thompson | Spouse | — | 30 | ~1910 |
| Marie Thompson | Daughter | — | 8 | ~1932 |
| Mildred Thompson | Daughter | — | 4 | ~1936 |
| Warren Thompson | Head | — | 32 | ~1908 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Nancy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 11
Allegheny-County, Pennsylvania · implied b. ~1929 — 8 household members
| Surname | Thompson |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pine township First district |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Nancy Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nancy Thompson
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Marie Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Thompson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1940 · age 10
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03414-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lottie Markich | 20 | Step-daughter | Servant | Pennsylvania |
| 42 | Lloyd Grossman | 33 | Head | Farm Laborer | Pennsylvania |
| 43 | Alice Grossman | 31 | Wife | — | Pennsylvania |
| 44 | Irene Grossman | 7 | Daughter | — | Pennsylvania |
| 45 | Richard Grossman | 1 | Son | — | Pennsylvania |
| 46 | Bert W. Ross | 67 | Head | Farm Manager | New York |
| 47 | Minnie Ross | 55 | Wife | — | New York |
| 48 | Thomas O'Conner | 63 | Head | Gardener | Scotland |
| 49 | Anna O'Conner | 55 | Wife | — | Pennsylvania |
| 50 | John O'Conner | 24 | Son | Laborer | Pennsylvania |
| 51 | Homer Truver | 32 | Head | Farm Laborer | Pennsylvania |
| 52 | Velma Truver | 30 | Wife | — | Pennsylvania |
| 53 | Raymond Truver | 11 | Son | — | Pennsylvania |
| 54 | Theodore Truver | 9 | Son | — | Pennsylvania |
| 55 | Janet Truver | 5 | Daughter | — | Pennsylvania |
| 56 | Ruth Ann Truver | 0 | Daughter | — | Pennsylvania |
| 57 | Lillian Logan | 61 | Head | — | Pennsylvania |
| 58 | Joe C. Logan | 35 | Son | Lampman | Pennsylvania |
| 59 | Charles S. Logan | 26 | Son | Repairer | Pennsylvania |
| 60 | Grace M. Logan | 22 | Daughter | Beautician | Pennsylvania |
| 61 | Mary Louise Logan | 21 | Daughter | — | Pennsylvania |
| 62 | Paul Leseman | 22 | Lodger | Brakeman | Pennsylvania |
| 63 | Frank Eyman | 70 | Head | — | Missouri |
| 64 | Sydney Richhold | 54 | Head | Farmer | Pennsylvania |
| 65 | Alice Richhold | 56 | Wife | — | Pennsylvania |
| 66 | Walter Richhold | 28 | Son | Farm Laborer | Pennsylvania |
| 67 | Sara Richhold | 23 | Daughter | Child'S Nurse | Pennsylvania |
| 68 | John Logan | 50 | Head | Custodian | Pennsylvania |
| 69 | Hazel Logan | 42 | Wife | — | Pennsylvania |
| 70 | Betty Logan | 23 | Daughter | Servant | Pennsylvania |
| 71 | Robert Logan | 17 | Son | — | Pennsylvania |
| 72 | James Martin | 66 | Head | Farm Laborer | Pennsylvania |
| 73 | Warren Thompson | 32 | Head | Farm Manager | Pennsylvania |
| 74 | Mary Thompson | 30 | Wife | — | Pennsylvania |
| 75 | Nancy Thompson THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 76 | Robert L. Thompson | 10 | Son | — | Pennsylvania |
| 77 | Marie E. Thompson | 8 | Daughter | — | Pennsylvania |
| 78 | Glenn R. Thompson | 6 | Son | — | Pennsylvania |
| 79 | Mildred V. Thompson | 4 | Daughter | — | Pennsylvania |
| 80 | David F. Thompson | 2 | Son | — | Pennsylvania |
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)