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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Clarence Nelson across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Nelson |
| Given Name | Clarence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Bldg Construction |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1326 |
| Highest Grade | H 1 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Richfield Village |
| Est. Birth Year | ~1912 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Nelson | Head | — | 28 | ~1912 |
| Dennis Nelson | Son | — | 12 | ~1928 |
| Vivian Nelson | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 7
Hennepin, Minnesota · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 18
Hennepin, Minnesota · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 28
Hennepin-County, Minnesota · implied b. ~1912 — 3 household members
| Surname | Nelson |
| Given Name | Clarence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | Laborer |
| Industry | Bldg Construction |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1326 |
| Highest Grade | H 1 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Clarence Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 28 · b. ~1912 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01926-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A. Youngren | 55 | Head | Truck Driver | Minnesota |
| 2 | Aroura E. Youngren | 52 | Wife | — | Minnesota |
| 3 | June E. Youngren | 19 | Daughter | New Worker | Minnesota |
| 4 | Edwin B. Mattson | 42 | Head | Truck Driver | Minnesota |
| 5 | Nan C. Mattson | 39 | Wife | — | South Dakota |
| 6 | Claire E. Mattson | 14 | Daughter | — | Minnesota |
| 7 | Dorothy A. Mattson | 12 | Daughter | — | Minnesota |
| 8 | Richard A. Mattson | 9 | Son | — | Minnesota |
| 9 | Robert A. Mattson | 5 | Son | — | Minnesota |
| 10 | Edwin B. Mattson | 5 | Son | — | Minnesota |
| 11 | Clarence L. Nelson THIS PERSON | 28 | Head | Laborer | Minnesota |
| 12 | Vivian V. Nelson | 24 | Wife | — | Minnesota |
| 13 | Dennis D. Nelson | 12 | Son | — | Minnesota |
| 14 | Arthur C. Warner | 43 | Head | Clerk | South Dakota |
| 15 | Gertrude A. Warner | 40 | Wife | — | Iowa |
| 16 | Lloyd River | 24 | Head | Truck Driver | Minnesota |
| 17 | Berdina M. River | 24 | Wife | — | Minnesota |
| 18 | James J. River | 1 | Son | — | Minnesota |
| 19 | Jacob Kohnke | 66 | Head | — | Illinois |
| 20 | Milo L. Whiteman | 66 | Head | Laborer | Wisconsin |
| 21 | Gladys D. Whiteman | 37 | Wife | — | Minnesota |
| 22 | Waneta A. Whiteman | 14 | Daughter | — | Minnesota |
| 23 | Philip L. Hillman | 28 | Head | Clerk | Minnesota |
| 24 | Pearl R. Hillman | 26 | Wife | — | California |
| 25 | Delora J. Hillman | 8 | Daughter | — | California |
| 26 | Richard L. Hillman | 6 | Son | — | Minnesota |
| 27 | Arthur W. Uddich | 53 | Head | Carpenter | Wisconsin |
| 28 | Eva E. Uddich | 51 | Wife | — | Minnesota |
| 29 | Hol Ole Holmstrom | 34 | Head | Eater Machine Operator | Sweden |
| 30 | Adelyn I. Holmstrom | 35 | Wife | Operator | Minnesota |
| 31 | Clifford J. Hagman | 33 | Head | Truck Driver | Iowa |
| 32 | Edith M. Hagman | 38 | Wife | — | Scotland |
| 33 | Mary-Jean Hagman | 9 | Daughter | — | Minnesota |
| 34 | John F. Hagman | 7 | Son | — | Minnesota |
| 35 | John N. Hagman | 4 | Son | — | Minnesota |
| 36 | Nels Justuson | 62 | Head | Plasterer | Denmark |
| 37 | Maria Justuson | 64 | Wife | — | Denmark |
Pedigree Summary
Clarence
Gen 1 · 3 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)