NT
Nancy Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Nancy Thompson across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Thompson |
| Given Name | Nancy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | ALHAMBRA CITY |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Alhambra City |
| 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 Nancy | Age | Birth yr |
|---|---|---|---|---|
| Nancy Thompson | Daughter | — | 17 | ~1923 |
| William Thompson | Son | — | 18 | ~1922 |
| Allen Thompson | Son | — | 12 | ~1928 |
| Nancy Allen | Other | — | 76 | ~1864 |
| Matilda Thompson | Spouse | — | 49 | ~1891 |
| William Thompson | Head | — | 69 | ~1871 |
Census Appearances
1930
Los Angeles, …
Daughter, age 7
Los Angeles, California · implied b. ~1923 — 5 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 | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oklahoma |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 17
Los-Angeles-County, California · implied b. ~1923 — 6 household members
| Surname | Thompson |
| Given Name | Nancy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | ALHAMBRA CITY |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 17 · b. ~1923 · California
★ You are viewing this record
Sibling
William Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Thompson
Sibling · 1940 · age 12
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00251-00489)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabelle Carr | 45 | Wife | Election Judge | Iowa |
| 42 | Walter Mcconnell | 54 | Head | Cable Splicer | Canada-English |
| 43 | Pearl Mcconnell | 51 | Wife | — | Indiana |
| 44 | Thomas Schrader | 60 | Head | Proprietor | Russia |
| 45 | Eleanor Schrader | 52 | Wife | Waitress Co-Owner | Illinois |
| 46 | Carl Roff | 42 | Lodger | Student Repair Man | Ohio |
| 47 | Samuel Q Mcdonald | 63 | Head | Gardener | Irish Free State |
| 48 | Alfred Kuster | 54 | Head | Proprietor | Texas |
| 49 | Marian E Kuster | 49 | Wife | Sales Manager Co-Owner | Kansas |
| 50 | Albert L Kuster | 22 | Son | Piano Re-Builder | Arkansas |
| 51 | Ruth Kuster | 17 | Daughter | — | Arkansas |
| 52 | Marian Kuster | 14 | Daughter | — | Arkansas |
| 53 | Amber Pettefer | 70 | Head | Osteopath | New York |
| 54 | Maude Pettefer | 69 | Wife | Osteopath | Indiana |
| 55 | Isabel Pettefer | 35 | Daughter | Teacher | Missouri |
| 56 | Patrick Schaffer | 42 | Head | Contractor | Kansas |
| 57 | Blanche Schaffer | 32 | Wife | — | Kansas |
| 58 | Patricia Schaffer | 13 | Daughter | — | Kansas |
| 59 | Maureen Poole | 5 | Lodger | — | Colorado |
| 60 | Madeline Benjamin | 53 | Head | Saleslady | Iowa |
| 61 | Daniel Benjamin | 24 | Son | Salesman | Iowa |
| 62 | Alexander Moir | 83 | Brother in law | Manager | Scotland |
| 63 | A Joseph Hout | 70 | Head | Salesman | Iowa |
| 64 | Jennie R Hout | 45 | Wife | Saleslady | Illinois |
| 65 | Tena E Mcdonnell | 66 | Head | Manager | Utah |
| 66 | Mary Mcdonnell | 90 | Mother | — | Canada-English |
| 67 | Mary Palmer | 75 | Cousin | — | Nevada |
| 68 | William C Thompson | 69 | Head | Teacher | Missouri |
| 69 | Matilda F Thompson | 49 | Wife | — | Oklahoma |
| 70 | William C Jr Thompson | 18 | Son | Newsboy | California |
| 71 | Nancy C Thompson THIS PERSON | 17 | Daughter | — | California |
| 72 | Allen L Thompson | 12 | Son | — | California |
| 73 | Nancy A Allen | 76 | Mother in law | Housework | Indiana |
| 74 | Carroll Rausen | 39 | Head | Registrar | Wisconsin |
| 75 | Martha Rausen | 35 | Wife | — | Texas |
| 76 | Duane Rausen | 9 | Son | — | California |
| 77 | Donald Rausen | 6 | Son | — | California |
| 78 | Cleopatra R Mound | 46 | Head | — | Indiana |
| 79 | Charles M Hagens | 78 | Father | — | Indiana |
| 80 | Byrdella C Hagens | 67 | Mother | — | Indiana |
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)