CA
Clarence Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, North Dakota
Our Model Tree links this Clarence Anderson across the 1920, 1930 and 1940 US Censuses in Cass-County, North Dakota (XGBoost, ~Confirmed), with identified parents Nelson & Nels — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, North Dakota |
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Rich Township |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Electrician |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Electrician |
| Township / Ward | Rich Township |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Gustaf Anderson | Son | — | 26 | ~1914 |
| John Anderson | Son | — | 26 | ~1914 |
| Clarence Anderson | Son | — | 35 | ~1905 |
| Anna Anderson | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Cass, North …
Son, age 14
Cass, North Dakota · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cass, North …
Son, age 26
Cass, North Dakota · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clarence O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cass-County, North …
Son, age 35
Cass-County, North Dakota · implied b. ~1905 — 4 household members
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Rich Township |
| 1935 Residence (County) | Cass |
| Occupation | Electrician |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nelson Anderson (~0.92 confidence) and father Nels Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nelson Anderson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Nels Anderson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Anderson
Son · 1940 · age 35 · b. ~1905 · North Dakota
★ You are viewing this record
Sibling
John Anderson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gustaf Anderson
Sibling · 1940 · age 26
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 — Cass-County, North Dakota
Open full size
1940 US Federal Census — Cass-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02997-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna K. Anderson | 66 | Wife | — | Sweden |
| 2 | Clarence Anderson THIS PERSON | 35 | Son | Electrician | North Dakota |
| 3 | John O. Anderson | 26 | Son | Farmer | North Dakota |
| 4 | Gustaf W. Anderson | 26 | Son | Mechanic | North Dakota |
| 5 | Eugene O. Bergmiller | 34 | Head | Farmer | North Dakota |
| 6 | Bernice E. Bergmiller | 25 | Wife | — | North Dakota |
| 7 | Dolores J. Bergmiller | 5 | Daughter | — | North Dakota |
| 8 | Barbara J. Bergmiller | 2 | Daughter | — | North Dakota |
| 9 | Ralph O. Bergmiller | 31 | Head | Farmer | North Dakota |
| 10 | Lucille Bergmiller | 20 | Wife | — | North Dakota |
| 11 | John A. Alm | 64 | Head | Farmer | Sweden |
| 12 | Hulda S. Alm | 53 | Wife | — | Sweden |
| 13 | Norman A. Alm | 28 | Son | Farmer | North Dakota |
| 14 | Philip J. Alm | 25 | Son | Farm Laborer | North Dakota |
| 15 | Haller E. Alm | 18 | Son | — | North Dakota |
| 16 | Robert L. Alm | 14 | Son | — | North Dakota |
| 17 | Carol F. Alm | 12 | Daughter | — | North Dakota |
| 18 | Ambrose Bergmiller | 61 | Head | Farmer | Wisconsin |
| 19 | Mary E. Bergmiller | 51 | Wife | — | Minnesota |
| 20 | Francis J. Bergmiller | 18 | Son | Farm Laborer | North Dakota |
| 21 | H. C. Hessing | 63 | Head | Farmer | Minnesota |
| 22 | Mabel Hessing | 56 | Wife | — | North Dakota |
| 23 | Alice Milner | 30 | Niece | — | North Dakota |
| 24 | Harold Bergmiller | 22 | Man | Farm Laborer | North Dakota |
| 25 | James D. Beattie | 73 | Head | Farmer | Scotland |
| 26 | Fred Gilbert | 46 | Man | Farm Laborer | North Dakota |
| 27 | Mary Gilbert | 34 | Maid | Maid | Minnesota |
| 28 | William Ross | 40 | Man | Farm Laborer | Wisconsin |
| 29 | Minnie M. Farmington | 53 | Head | — | North Dakota |
| 30 | Magdalene Farmington | 26 | Daughter | — | North Dakota |
| 31 | Vernon Schultz | 26 | Man | Farm Laborer | Minnesota |
| 32 | Howard Wilman | None | Man | — | — |
| 33 | Lawrence B. Henderson | 37 | Head | Farmer | North Dakota |
| 34 | Eugenia A. Henderson | 31 | Wife | — | North Dakota |
| 35 | Marjorie J. Henderson | 13 | Daughter | — | North Dakota |
| 36 | Audrey L. Henderson | 12 | Daughter | — | North Dakota |
| 37 | Delores C. Henderson | 10 | Daughter | — | North Dakota |
| 38 | Bethel J. Henderson | 5 | Daughter | — | North Dakota |
| 39 | George Hagler | 33 | Head | Farm Laborer | South Dakota |
| 40 | Ruby Hagler | 29 | Wife | — | North Dakota |
Pedigree Summary
Clarence + 2 siblings
Gen 1 · 5 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)