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Helen Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Helen Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Hans & John — first a daughter (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Anderson |
| Given Name | Helen S. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Alameda City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 2244 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Teacher |
| Township / Ward | Alameda City |
| Est. Birth Year | ~1900 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Anderson | Daughter | — | 40 | ~1900 |
| Mildred Anderson | Daughter | — | 38 | ~1902 |
| Ethel Anderson | Daughter | — | 31 | ~1909 |
| Joel Anderson | Head | — | 67 | ~1873 |
| Matilda Anderson | Spouse | — | 65 | ~1875 |
Census Appearances
1910
Alameda, California
Daughter, age 9
Alameda, California · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Daughter, age 20
Alameda, California · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Wholesale Tea Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Daughter, age 30
Alameda, California · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Helen S |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Daughter, age 40
Alameda-County, California · implied b. ~1900 — 5 household members
| Surname | Anderson |
| Given Name | Helen S. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Alameda City |
| 1935 Residence (County) | Alameda |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 2244 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Helen Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father Joel Anderson (~0.92 confidence) and mother Nellie Anderson (~0.92 confidence) and mother Matilda Anderson (~0.92 confidence) and mother Mathilda Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Joel Anderson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nellie Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Matilda Anderson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Anderson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Anderson
Daughter · 1940 · age 40 · b. ~1900 · California
★ You are viewing this record
Sibling
Mildred Anderson
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Anderson
Sibling · 1940 · age 31
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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00183-00776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pauline R. Carver | 45 | Head | Manager | California |
| 42 | Charles R. Carver | 28 | son | Caretaker | California |
| 43 | Thomas H. Carver | 21 | son | Clerk | California |
| 44 | Dexter H. Smiel | 23 | lodger | Mechanic Helper | Hawaii |
| 45 | William R. Knight | 22 | lodger | Passenger Agent | Missouri |
| 46 | Victor Fleshman | 38 | Head | Contractor | S. Dakota |
| 47 | Marjorie Fleshman | 38 | wife | Teacher | California |
| 48 | Phyllis Fleshman | 11 | daughter | — | California |
| 49 | Nancy Fleshman | 9 | daughter | — | California |
| 50 | Anna Fleshman | 68 | Head | — | England |
| 51 | Agnes M. Hoffman | 71 | sister | — | England |
| 52 | Donald Fairwell | 40 | Head | Salesman | Washington |
| 53 | Ruby Fairwell | 39 | wife | Office Clerk | Illinois |
| 54 | Anna Killion | 69 | mother-in-law | — | Indiana |
| 55 | Joseph Simpkins | 20 | Head | Laborer | Texas |
| 56 | Jewell Simpkins | 25 | wife | — | California |
| 57 | Neal D. Pritchett | 54 | Head | Union Official | California |
| 58 | Gordon Pritchett | 19 | son | Apprentice | California |
| 59 | Walter Powers | 27 | son-in-law | Salesman | Australia |
| 60 | Damaris Powers | 21 | daughter | — | California |
| 61 | Dianne Powers | 0 | granddaughter | — | California |
| 62 | Wallace G. Turner | 28 | Head | Clerk | California |
| 63 | Ida M. Turner | 25 | wife | — | California |
| 64 | Robert G. Turner | 6 | son | — | California |
| 65 | Judith J. Turner | 1 | daughter | — | California |
| 66 | Joel Anderson | 67 | Head | Nursery Man | Sweden |
| 67 | Matilda Anderson | 65 | wife | — | Norway |
| 68 | Helen S. Anderson THIS PERSON | 40 | daughter | Teacher | California |
| 69 | Mildred Anderson | 38 | daughter | Secretary | California |
| 70 | Ethel Anderson | 31 | daughter | — | California |
| 71 | Lloyd D. Whiffin | 53 | Head | Artist | India |
| 72 | Esther W. Whiffin | 46 | wife | Saleslady | New York |
| 73 | Ada M. Whiffin | 24 | daughter | Saleslady | California |
| 74 | Hugh H. Currie | 58 | Head | Watchman | Scotland |
| 75 | Isabel Currie | 56 | wife | — | Scotland |
| 76 | Kathryn Currie | 23 | daughter | Secretary | Canada-Eng |
| 77 | Calvin L. Heim | 27 | Head | Trader | Pennsylvania |
| 78 | Juanita F. Heim | 24 | wife | Clerk | California |
| 79 | Joanne S. Heim | 0 | daughter | — | California |
| 80 | Henry A. Ford | 36 | Head | Salesman | Australia |
Related Census Records
Pedigree Summary
Helen + 2 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)