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Mary Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Mary Hansen across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 8-person household.
Age 37
b. ~1903
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Hansen |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Hansen | Daughter | — | 12 | ~1928 |
| Lois Hansen | Daughter | — | 4 | ~1936 |
| Holger Hansen | Head | — | 37 | ~1903 |
| George Hansen | Son | — | 7 | ~1933 |
| Norte Hansen | Son | — | 11 | ~1929 |
| Holger Hansen | Son | — | 13 | ~1927 |
| Donald Hansen | Son | — | 9 | ~1931 |
| Mary Hansen | Spouse | — | 37 | ~1903 |
Census Appearances
1930
San Francisco, …
Other, age 26
San Francisco, California · implied b. ~1904 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Mary |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 22 |
| Father's Birthplace | Arizona |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 37
San-Francisco-County, California · implied b. ~1903 — 8 household members
| Surname | Hansen |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mary Hansen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hansen
Spouse · 1940 · age 37 · b. ~1903 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00316-00645)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorenzo Domenichini | 40 | son | Sales Clerk | California |
| 42 | Giacomo Bianchi | 29 | nephew | Sales Clerk | California |
| 43 | Nicholas Ruach | 54 | head | Physician & Surgeon | California |
| 44 | Grace Ruach | 54 | wife | — | Missouri |
| 45 | Minnie Pomon | 49 | head | Proprietor | Greece |
| 46 | Edna Pomon | 39 | wife | — | California |
| 47 | Jack Pomon | 19 | son | — | California |
| 48 | Daniel Pomon | 17 | son | — | California |
| 49 | Mary Pomon | 15 | daughter | — | California |
| 50 | William Pomon | 14 | son | — | California |
| 51 | Edward Pomon | 10 | son | — | California |
| 52 | Shirley Pomon | 6 | daughter | — | California |
| 53 | Sadie Leater | 57 | head | — | England |
| 54 | Harold Leater | 20 | son | — | California |
| 55 | Evelyn Leater | 18 | daughter | Typist | California |
| 56 | Holger Hansen | 37 | head | Technician | Denmark |
| 57 | Mary Hansen THIS PERSON | 37 | wife | — | California |
| 58 | Holger Jr. Hansen | 13 | son | — | California |
| 59 | Frances Hansen | 12 | daughter | — | California |
| 60 | Norte Robert Hansen | 11 | son | — | California |
| 61 | Donald Hansen | 9 | son | — | California |
| 62 | George Hansen | 7 | son | — | California |
| 63 | Lois Hansen | 4 | daughter | — | California |
| 64 | Robert Peeters | 25 | head | Salesman | California |
| 65 | Shirley Peeters | 23 | wife | — | California |
| 66 | Frederick Peeters | 0 | son | — | California |
| 67 | Joseph Peeters | 31 | head | Driver | Illinois |
| 68 | Juliana Peeters | 30 | wife | — | California |
| 69 | Edward Peeters | 6 | son | — | California |
| 70 | Carol Peeters | 1 | daughter | — | California |
| 71 | Judith Peeters | 1 | daughter | — | California |
| 72 | Ainsworth Moriarty | 30 | head | — | North Dakota |
| 73 | Barbara Moriarty | 6 | daughter | — | California |
| 74 | Geraldine Moriarty | 5 | daughter | — | California |
| 75 | Nola Moriarty | 3 | daughter | — | California |
| 76 | Louise Citrine | 9 | daughter | — | California |
| 77 | Ronald Citrine | 8 | son | — | California |
| 78 | Ralph Mccarthy | 36 | head | Patrol Driver | California |
| 79 | Florence Mccarthy | 35 | wife | — | California |
| 80 | Ralph Jr. Mccarthy | 6 | son | — | California |
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)