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Carl Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Carl Hansen across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Herman & Marie — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Hansen |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Machinist |
| Industry | Filter Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H 2 |
| 1935 Residence | California |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | San Leandro |
| Est. Birth Year | ~1903 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Robert Hansen | Son | — | 4 | ~1936 |
| Rose Hansen | Spouse | — | 35 | ~1905 |
| Carl Hansen | Head | — | 37 | ~1903 |
Census Appearances
1920
Alameda, California
Son, age 17
Alameda, California · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Carl R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Alameda, California
Head, age 27
Alameda, California · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Machinist |
| Industry | Air Compressor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | 58 |
| Home Owned/Rented | R |
| Home Value / Rent | 37.50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Alameda-County, California
Head, age 37
Alameda-County, California · implied b. ~1903 — 3 household members
| Surname | Hansen |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Occupation | Machinist |
| Industry | Filter Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H 2 |
| 1935 Residence | California |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Carl Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Hansen (~0.92 confidence) and mother Marie Hansen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Hansen
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Marie Hansen
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Hansen
Head · 1940 · age 37 · b. ~1903 · 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
37 people indexed on this census page (nara:1940:m-t0627-00184-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Garibotto | 17 | Daughter | — | California |
| 42 | Doris V Garibotto | 13 | Daughter | — | California |
| 43 | Edythe E Garibotto | 5 | Daughter | — | California |
| 44 | Clothilde M Hartman | 29 | Head | Saleslady | Ohio |
| 45 | Lilian C Hartman | 8 | Daughter | — | California |
| 46 | Carlyle R Hartman | 6 | Son | — | California |
| 47 | Ray Kay | 25 | Roomer | Saleslady | Washington |
| 50 | Richard H Marsh | 42 | Head | Sales Clerk | New York |
| 51 | Helen M Marsh | 37 | Wife | — | California |
| 52 | Marion E Marsh | 3 | Daughter | — | California |
| 53 | Carl Hansen THIS PERSON | 37 | Head | Machinist | Pennsylvania |
| 54 | Rose J Hansen | 35 | Wife | Comptometer Operator | Minnesota |
| 55 | Robert C Hansen | 4 | Son | — | California |
| 56 | Robert E Miranda | 37 | Head | Floor Superintendent | Ohio |
| 57 | Irma G Miranda | 36 | Wife | Nurse | China |
| 58 | Cherie Ann Miranda | 1 | Daughter | — | California |
| 59 | Tony Fazio | 35 | Head | Barber | Italy |
| 60 | Thomas F Vrhoy | 27 | Head | Owner | Nebraska |
| 61 | Mary Jane Vrhoy | 24 | Wife | — | California |
| 62 | Nicholas A Vrhoy | 1 | Son | — | California |
| 63 | John Rezak | 23 | Head | Textile Worker | Colorado |
| 64 | Olivia F Rezak | 22 | Wife | Price Clerk | California |
| 65 | Marie Kusnik | 55 | Head | Practical Nurse | Germany |
| 66 | Donald H Madsen | 26 | Roomer | Art Teacher | California |
| 67 | Joseph G Arabec | 28 | Roomer | Electrician | Pennsylvania |
| 68 | Jesus Guangobena | 35 | Head | Machinist | Mexico |
| 70 | Joseph P Rose | 59 | Head | Food Inspector | California |
| 71 | Virginia Rose | 50 | Wife | — | California |
| 72 | Darwin L Haynard | 54 | Head | Watchman | California |
| 73 | Constance Haynard | 47 | Wife | — | California |
| 74 | Quinton F Olson | 35 | Head | Painter | North Dakota |
| 75 | Julia M Olson | 40 | Wife | — | Oregon |
| 76 | Henry P Gomes | 36 | Head | Laborer | Massachusetts |
| 77 | Mary L Gomes | 28 | Wife | — | California |
| 78 | Jack C Davidson | 43 | Head | Hair Stylist | West Virginia |
| 79 | Alline Davidson | 40 | Wife | — | Texas |
| 80 | Jack C Davidson | 12 | Son | — | California |
Pedigree Summary
Carl
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)