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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this Clarence Nelson across the 1920, 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed), with identified parents Nels & Annie — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ottertail |
| Additional Details | |
| Occupation | laborer |
| Industry | Packing Industry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Mendota |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Donna Nelson | Daughter | — | 5 | ~1935 |
| Carrol Nelson | Daughter | — | 3 | ~1937 |
| Clarence Nelson | Head | — | 30 | ~1910 |
| Kenneth Nelson | Son | — | ~1940 | |
| Anna Nelson | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Watonwan, Minnesota
Son, age 10
Watonwan, Minnesota · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Nobles, Minnesota
Other, age 20
Nobles, Minnesota · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Servant |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Dakota-County, Minnesota
Head, age 30
Dakota-County, Minnesota · implied b. ~1910 — 5 household members
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ottertail |
| Occupation | laborer |
| Industry | Packing Industry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 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 3 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and mother Annie Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Annie Nelson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 30 · b. ~1910 · 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 — Dakota-County, Minnesota
Open full size
1940 US Federal Census — Dakota-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01917-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blanche Steffen | 30 | Wife | — | North Dakota |
| 2 | Betty Lou Steffen | 10 | daughter | — | Minnesota |
| 3 | Beverly Steffen | 7 | daughter | — | Minnesota |
| 4 | Geraldine Steffen | 4 | daughter | — | Minnesota |
| 5 | Francis O. Schultz | 23 | Head | Harness Maker | Minnesota |
| 6 | Thelma Schultz | 22 | Wife | — | Minnesota |
| 7 | Richard Schultz | 3 | Son | — | Minnesota |
| 8 | John James | 26 | Head | Houseman | New York |
| 9 | Catherine S. James | 20 | Wife | — | Wisconsin |
| 10 | Joan James | 1 | daughter | — | Minnesota |
| 11 | Walter Harrison | 22 | Head | Machine Operator | Minnesota |
| 12 | Leona Harrison | 22 | Wife | — | Minnesota |
| 13 | Walter Harrison | 0 | Son | — | Minnesota |
| 14 | Louis Letendre | 34 | Head | Operator | Minnesota |
| 15 | Stella Letendre | 33 | Wife | — | Minnesota |
| 16 | Evelyn Letendre | 13 | daughter | — | Minnesota |
| 17 | Louis Letendre | 11 | Son | — | Minnesota |
| 18 | Inez Letendre | 9 | Son | — | Minnesota |
| 19 | Marvin Letendre | 6 | Son | — | Minnesota |
| 20 | Louis S. Wilson | 57 | Head | Agent | Minnesota |
| 21 | Mollie Wilson | 57 | Wife | Practitioner | Illinois |
| 22 | Lorraine Wilson | 25 | daughter | Stenographer | Minnesota |
| 23 | Peter Behell | 69 | Head | Farmer | Iowa |
| 24 | Rosa S. Behell | 62 | Wife | — | Iowa |
| 25 | Richard Behell | 26 | Son | Laborer | Minnesota |
| 26 | Frederick Moore | 44 | Head | Cook | Minnesota |
| 27 | Caroline Moore | 40 | Wife | — | Minnesota |
| 28 | Clarence Nelson THIS PERSON | 30 | Head | Laborer | Minnesota |
| 29 | Anna Nelson | 29 | Wife | — | Iowa |
| 30 | Donna Mae Nelson | 5 | daughter | — | North Dakota |
| 31 | Carrol Ann Nelson | 3 | daughter | — | Minnesota |
| 32 | Kenneth Nelson | 0 | Son | — | Minnesota |
| 33 | James S. Conner | 31 | Head | Laborer | Illinois |
| 34 | Benita Conner | 30 | Wife | — | Minnesota |
| 35 | Irene Conner | 10 | daughter | — | Minnesota |
| 36 | James Jr. Conner | 9 | Son | — | Minnesota |
| 37 | Frank S. Hanska | 52 | Head | Laborer | Minnesota |
| 38 | Emma Hanska | 50 | Wife | — | Minnesota |
| 39 | Thomas Hanska | 26 | Son | Laborer | Minnesota |
| 40 | Frank Jr. Hanska | 24 | Son | — | Minnesota |
Related Census Records
Pedigree Summary
Clarence
Gen 1 · 2 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)