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Nellie Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Santa-Clara-County, California
Our Model Tree links this Nellie Thomas across the 1920, 1930 and 1940 US Censuses in Santa-Clara-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Santa-Clara-County, California |
| Surname | Thomas |
| Given Name | Nellie A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Santa Clara City |
| 1935 Residence (County) | Santa Clara |
| Additional Details | |
| Class of Worker | H |
| Income (1939) | 600 |
| Highest Grade | H 3 |
| 1935 Residence | Same town |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Santa Clara City |
| Est. Birth Year | ~1894 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Frank Thomas | Head | — | 48 | ~1892 |
| Alvin Thomas | Son | — | 21 | ~1919 |
| Nellie Thomas | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Santa Clara, …
Spouse, age 28
Santa Clara, California · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Santa Clara, …
Other, age 37
Santa Clara, California · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Nellie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 25 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Cannery worker |
| Industry | Fruit Cannery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Santa-Clara-County, California
Spouse, age 46
Santa-Clara-County, California · implied b. ~1894 — 3 household members
| Surname | Thomas |
| Given Name | Nellie A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Santa Clara City |
| 1935 Residence (County) | Santa Clara |
| Class of Worker | H |
| Income (1939) | 600 |
| Highest Grade | H 3 |
| 1935 Residence | Same town |
| 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 Nellie Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Thomas
Spouse · 1940 · age 46 · b. ~1894 · California
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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 — Santa-Clara-County, California
Open full size
1940 US Federal Census — Santa-Clara-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00340-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Antonia Burgos | 36 | Head | Pear Picker | Spain |
| 42 | Naomi Burgos | 29 | Wife | — | Washington |
| 43 | Jane Burgos | 11 | Daughter | — | California |
| 44 | Willis Burgos | 9 | Son | — | California |
| 45 | Joseph Burgos | 8 | Son | — | California |
| 46 | Antonio Burgos | 4 | Son | — | California |
| 47 | Caroline Burgos | 2 | Daughter | — | California |
| 48 | Ben D. Chin | 37 | Head | Bldg. Construction | Portugal |
| 49 | Ernestine M. Chin | 29 | Wife | — | Hawaii |
| 50 | Ernest B. Chin | 7 | Son | — | California |
| 51 | Frank A. Thomas | 48 | Head | Foreman | California |
| 52 | Nellie A. Thomas THIS PERSON | 46 | Wife | — | California |
| 53 | Alvin A. Thomas | 21 | Son | Can Mach. Helper | California |
| 54 | Fred Fedeon | 53 | Head | Carpenter | Hawaii |
| 55 | Mary A. Fedeon | 52 | Wife | — | Hawaii |
| 56 | Melvin S. Fedeon | 20 | Son | Stamper | California |
| 57 | Alice Fedeon | 31 | Sister-in-law | Fruit Packer | California |
| 58 | John Q. Gouveia | 48 | Head | Laborer | Hawaii |
| 59 | Ida Gouveia | 43 | Wife | — | Hawaii |
| 60 | John Gouveia | 23 | Son | Fruit Laborer | Hawaii |
| 61 | Fred Gouveia | 20 | Son | Cook Room | Hawaii |
| 62 | Mary Gouveia | 17 | Daughter | Cutter | Hawaii |
| 63 | Ignacio Cato | 63 | Head | Packing Fruit | Italy |
| 64 | Louise Cato | 61 | Wife | — | Italy |
| 65 | John Cato | 48 | Son | Fruit Helper | Nebraska |
| 66 | Anthony Cato | 20 | Son | Kitchen Helper | Nebraska |
| 67 | William Cato | 16 | Son | — | Nebraska |
| 68 | August Cato | 35 | Son | Road Construction | Missouri |
| 69 | Mary Ann Cato | 10 | Daughter-in-law | — | California |
| 70 | Rose Ellen Cato | 9 | Daughter-in-law | — | Nebraska |
| 71 | Antoinette Battaglia | 29 | Daughter | — | Nebraska |
| 72 | John Battaglia | 30 | Son-in-law | Fruit Packer | New York |
| 73 | Fred Cress | 34 | Head | Cook Room | Spain |
| 74 | Mary Cress | 26 | Wife | — | Hawaii |
| 75 | Mildred Cress | 6 | Daughter | — | California |
| 76 | George Philip | 56 | Head | Gardener | California |
| 77 | William Philip | 43 | Brother | Night Watchman | California |
| 78 | Clara Q. Eatereno | 55 | Sister | — | California |
| 79 | R. Plesay | 36 | Head | Meat Cutter | Missouri |
| 80 | Inez Plesay | 30 | Wife | — | Texas |
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)