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John Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dawson-County, Nebraska
Our Model Tree links this John Smith across the 1920, 1930 and 1940 US Censuses in Dawson-County, Nebraska (XGBoost, ~Confirmed), with identified parents David & Fred — first a son (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Son
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dawson-County, Nebraska |
| Surname | Smith |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Gillan T.P. |
| 1935 Residence (County) | Dawson |
| Additional Details | |
| Occupation | Farm work |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farm Work |
| Township / Ward | Gillan Tp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eula Smith | Daughter | — | 20 | ~1920 |
| Fern Smith | Daughter | — | 31 | ~1909 |
| Fred Smith | Head | — | 64 | ~1876 |
| Robert Smith | Son | — | 37 | ~1903 |
| John Smith | Son | — | 33 | ~1907 |
| Charles Smith | Son | — | 35 | ~1905 |
| Mary Smith | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Dawson, Nebraska
Son, age 13
Dawson, Nebraska · implied b. ~1907 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Dawson, Nebraska
Son, age 23
Dawson, Nebraska · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Ohio |
| Occupation | Farm Labor |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Dawson-County, Nebraska
Son, age 33
Dawson-County, Nebraska · implied b. ~1907 — 7 household members
| Surname | Smith |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Gillan T.P. |
| 1935 Residence (County) | Dawson |
| Occupation | Farm work |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 John Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Smith (~0.92 confidence) and father Fred Smith (~0.92 confidence) and father Fred Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Son · 1940 · age 33 · b. ~1907 · Nebraska
★ You are viewing this record
Sibling
Robert Smith
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fern Smith
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eula Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Smith
Sibling · 1940 · age 35
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 — Dawson-County, Nebraska
Open full size
1940 US Federal Census — Dawson-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02243-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul E Kugler | 38 | Head | Farmer | Nebraska |
| 2 | Marie M Kugler | 31 | Wife | — | Nebraska |
| 3 | Dallas D Kugler | 7 | Son | — | Nebraska |
| 4 | Russell I Kugler | 1 | Son | — | Nebraska |
| 5 | Beverly M Kugler | 1 | Daughter | — | Nebraska |
| 6 | Mary Kugler | 79 | Mother | — | Nebraska |
| 7 | Fred S Smith | 64 | Head | Farm Manager | Colorado |
| 8 | Mary W Smith | 63 | Wife | — | Ohio |
| 9 | Robert G Smith | 37 | Son | Farmhand | Nebraska |
| 10 | Charles M Smith | 35 | Son | Farmhand | Nebraska |
| 11 | John S Smith THIS PERSON | 33 | Son | Farm Work | Nebraska |
| 12 | Fern M Smith | 31 | Daughter | — | Nebraska |
| 13 | Eula P Smith | 20 | Daughter | — | Nebraska |
| 14 | Fred Jensen | 39 | Head | Farmer | Nebraska |
| 15 | Clara M Jensen | 36 | Wife | — | Iowa |
| 16 | Norma G Jensen | 3 | Daughter | — | Nebraska |
| 17 | Hans C Foged | 58 | Head | Farmer | Denmark |
| 18 | Andrea Foged | 60 | Wife | — | Denmark |
| 19 | Holger J Foged | 31 | Son | Farmer | Nebraska |
| 20 | Hilda M Foged | 38 | Wife | — | Nebraska |
| 21 | Rodney F Foged | 5 | Son | — | Nebraska |
| 22 | Terrence D Foged | 2 | Son | — | Nebraska |
| 23 | Jesse M Anderson | 65 | Head | Farmer | Ohio |
| 24 | Ida M Anderson | 61 | Wife | — | Missouri |
| 25 | Nelson Ross Anderson | 35 | Son | — | Nebraska |
| 26 | Ray C Snyder | 35 | Head | Farm Worker | Kansas |
| 27 | Paula E Snyder | 28 | Wife | — | Nebraska |
| 28 | Donald R Snyder | 7 | Son | — | Nebraska |
| 29 | Warren F Snyder | 3 | Son | — | Nebraska |
| 30 | Sandra J Snyder | 1 | Daughter | — | Nebraska |
| 31 | John G Ross | 41 | Head | Farmer | Nebraska |
| 32 | Matilda F Ross | 39 | Wife | — | Nebraska |
| 33 | Jessie H Ross | 12 | Daughter | — | Nebraska |
| 34 | Milton G Ross | 7 | Son | — | Nebraska |
| 35 | James H Spradlin | 44 | Head | Farmer | Kentucky |
| 36 | Olive B Spradlin | 40 | Wife | — | Nebraska |
| 37 | Tula C Spradlin | 19 | Daughter | Laborer | Nebraska |
| 38 | James B Spradlin | 18 | Son | Laborer | Nebraska |
| 39 | Edwin W Spradlin | 17 | Son | — | Nebraska |
| 40 | Russell E Spradlin | 15 | Son | — | Nebraska |
Pedigree Summary
John + 4 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)