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Helen Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Helen Hansen across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents William & Anna — first a spouse (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Hansen |
| Given Name | Helen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Petaluma |
| 1935 Residence (County) | Sonoma |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1917 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Hansen | Spouse | — | 23 | ~1917 |
| Hakon Hansen | Head | — | 22 | ~1918 |
| Kathleen Hansen | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Alameda, California
Other, age 2
Alameda, California · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Helena |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Daughter, age 12
Alameda, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Helen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Spouse, age 23
Alameda-County, California · implied b. ~1917 — 3 household members
| Surname | Hansen |
| Given Name | Helen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Petaluma |
| 1935 Residence (County) | Sonoma |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | California |
| 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 Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Peterson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Hansen
Spouse · 1940 · age 23 · b. ~1917 · California
★ 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 — 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-t0627-00436-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl E. Halstrom | 58 | Head | Building Contractor | Sweden |
| 42 | Nana E. Halstrom | 56 | Wife | — | Sweden |
| 43 | Milton C. Halstrom | 19 | Son | Carpenter | California |
| 44 | Mildred M. Halstrom | 16 | Daughter | — | California |
| 45 | Hester R. Sneed | 63 | Head | Printer | West Virginia |
| 46 | Alma B. Sneed | 49 | Wife | Recreation Leader | Kentucky |
| 47 | Mabel P. Brown | 42 | Head | Teacher | Illinois |
| 48 | Wilson Brown | 19 | Son | — | Kansas |
| 49 | Eugene F. Brown | 15 | Son | — | Illinois |
| 50 | Soren S. Petersen | 47 | Head | Minister | So. Dakota |
| 51 | Alma R. Petersen | 37 | Wife | — | Nebraska |
| 52 | Donna J. Petersen | 10 | Daughter | — | Oregon |
| 53 | Wendell J. Urgent | 44 | Head | Plumber | Wisconsin |
| 54 | Marie F. Urgent | 29 | Wife | — | Oregon |
| 55 | Henry B. Valentine | 44 | Head | Postman | California |
| 56 | Elsie M. Valentine | 46 | Wife | — | Ohio |
| 57 | Albert Poerink | 46 | Head | Meat Cutter | Holland |
| 58 | Blanche R. Poerink | 45 | Wife | — | Iowa |
| 59 | Aleida J. Poerink | 16 | Daughter | — | So. Dakota |
| 60 | Alice J. Poerink | 13 | Daughter | — | Idaho |
| 61 | Betty R. Poerink | 10 | Daughter | — | Idaho |
| 62 | Albert H. Poerink | 8 | Son | — | California |
| 63 | Nancy H. Poerink | 4 | Daughter | — | California |
| 64 | Charles M. Pras | 23 | Head | Machinist | California |
| 65 | Extra Line Extra Line | None | — | — | — |
| 66 | Allan A. Killion | 28 | Head | Batcher | California |
| 67 | Marguerite Killion | 22 | Wife | — | California |
| 68 | Hakon Hansen | 22 | Head | Painter | Denmark |
| 69 | Helen M. Hansen THIS PERSON | 23 | Wife | — | California |
| 70 | Kathleen D. Hansen | 1 | Daughter | — | California |
| 71 | Jackson F. Lowell | 42 | Head | Upholsterer | California |
| 72 | Amy H. Lowell | 44 | Wife | — | England |
| 73 | Ellen H. Lowell | 11 | Daughter | — | California |
| 74 | Augusta A. Harris | 53 | Mother-in-law | Checker | England |
| 75 | Edward J. Hawecka | 47 | Head | Baker | Illinois |
| 76 | Emily Hawecka | 46 | Wife | — | Bohemia |
| 77 | Fred R. Buckley | 44 | Head | Musician | California |
| 78 | Lorraine R. Buckley | 45 | Wife | Bookkeeper | California |
| 79 | Benjamin Dubois | 67 | Head | Patternmaker | Missouri |
| 80 | Lillian L. Dubois | 54 | Wife | — | California |
Related Census Records
Pedigree Summary
Helen
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)