CA
Clara Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ward-County, North Dakota
Our Model Tree links this Clara Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Ward-County, North Dakota (XGBoost, ~Confirmed), with identified parents Anna & Annie — first a daughter (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ward-County, North Dakota |
| Surname | Anderson |
| Given Name | Clara J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Spencer Twp. |
| 1935 Residence (County) | Ward |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Spencer Twp |
| Est. Birth Year | ~1906 |
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 Clara | Age | Birth yr |
|---|---|---|---|---|
| Clara Anderson | Daughter | — | 34 | ~1906 |
| John Anderson | Head | — | 71 | ~1869 |
| Sigval Mahlum | Other | — | 43 | ~1897 |
Census Appearances
1910
Ward, North …
Daughter, age 4
Ward, North Dakota · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clara L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Occupation | none |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1920
Ward, North …
Daughter, age 14
Ward, North Dakota · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Ward, North …
Daughter, age 24
Ward, North Dakota · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clara J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Ward-County, North …
Daughter, age 34
Ward-County, North Dakota · implied b. ~1906 — 3 household members
| Surname | Anderson |
| Given Name | Clara J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Spencer Twp. |
| 1935 Residence (County) | Ward |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Clara Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Anderson (~0.92 confidence) and mother Annie Anderson (~0.92 confidence) and father Isaac Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Annie Anderson
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Isaac Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clara Anderson
Daughter · 1940 · age 34 · b. ~1906 · North Dakota
★ 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 — Ward-County, North Dakota
Open full size
1940 US Federal Census — Ward-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03017-01014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nels N. Christianson | 66 | Head | Farmer | Sweden |
| 2 | Anna Christianson | 64 | Wife | — | Denmark |
| 3 | Francis Christianson | 27 | Son | Laborer | North Dakota |
| 4 | John Anderson | 71 | Head | Farmer | Norway |
| 5 | Clara J. Anderson THIS PERSON | 34 | Daughter | — | North Dakota |
| 6 | Sigval Mahlum | 43 | Lodger | Laborer | Wisconsin |
| 7 | Olina Anderson | 71 | Head | — | Norway |
| 8 | Andrew O. Anderson | 37 | Son | Farmer | North Dakota |
| 9 | Joseph Erickson | 36 | Head | Farmer | North Dakota |
| 10 | Carl S. Sauer | 66 | Head | Farmer | Iowa |
| 11 | Mary F. Sauer | 67 | Wife | — | Iowa |
| 12 | Carl A. Sauer | 30 | Son | Farmer | California |
| 13 | Aron Nelson | 53 | Head | Farmer | Norway |
| 14 | Helga Nelson | 60 | Wife | — | Norway |
| 15 | Leland Albert Nelson | 35 | Step Son | Farmer | North Dakota |
| 16 | Henry C. Johnsen | 57 | Head | Farmer | Denmark |
| 17 | Floyd S. Boughton | 46 | Head | Farmer | Iowa |
| 18 | Olive Boughton | 52 | Wife | — | Denmark |
| 19 | Alice Freeburg | 23 | Daughter | — | North Dakota |
| 20 | Oliver Freeburg | 22 | Son | Laborer | North Dakota |
| 21 | Allan Boughton | 17 | Son | Laborer | North Dakota |
| 22 | Floyd Jr. Boughton | 16 | Son | Laborer | North Dakota |
| 23 | Donald Boughton | 14 | Son | Laborer | North Dakota |
| 24 | Marjorie Boughton | 12 | Daughter | — | North Dakota |
| 25 | Alvin R. Nelson | 36 | Head | Farmer | Minnesota |
| 26 | Ella L. Nelson | 27 | Wife | — | Canada-Eng |
| 27 | Clifford Nelson | 8 | Son | — | North Dakota |
| 28 | Carmie Nelson | 7 | Son | — | North Dakota |
| 29 | Calvin Nelson | 3 | Son | — | North Dakota |
| 30 | Clarence Nelson | 1 | Son | — | North Dakota |
| 31 | Ole Walseth | 63 | Head | Farmer | Norway |
| 32 | Alida Walseth | 57 | Wife | — | Norway |
| 33 | Mabel Walseth | 27 | Daughter | Teacher | Minnesota |
| 34 | Arthur Walseth | 17 | Son | Carpenter | North Dakota |
| 35 | Arthur Harris | 53 | Head | Farmer | Minnesota |
| 36 | Lily Harris | 44 | Wife | — | Minnesota |
| 37 | Audry Harris | 17 | Daughter | Typist | North Dakota |
| 38 | Roder Harris | 15 | Son | Laborer | North Dakota |
| 39 | Robert Harris | 13 | Son | — | North Dakota |
| 40 | Carol Harris | 11 | Daughter | — | North Dakota |
Pedigree Summary
Clara
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)