JH
James Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this James Hansen across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Hansen | Daughter | — | 13 | ~1927 |
| Olaf Hansen | Head | — | 38 | ~1902 |
| Hildur Hansen | Spouse | — | 38 | ~1902 |
| David Hansen | Son | — | 8 | ~1932 |
| Paul Hansen | Son | — | 10 | ~1930 |
| James Hansen | Son | — | 17 | ~1923 |
Census Appearances
1930
San Francisco, …
Son, age 6
San Francisco, California · implied b. ~1924 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Scotland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 17
San-Francisco-County, California · implied b. ~1923 — 6 household members
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | Hs 3 |
| 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 James Hansen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hansen
Son · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Alice Hansen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Hansen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Hansen
Sibling · 1940 · age 8
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 — 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-t0627-00301-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugene Guglielmo | 39 | head | Salesman | Italy |
| 42 | Cesarine Guglielmo | 36 | wife | — | Italy |
| 43 | Amy Ross | 65 | head | — | Panama |
| 44 | Porter Ross | 42 | son | Chauffeur | Jamaica |
| 45 | Ray Jurjevic | 42 | head | Cook | Jugoslavia |
| 46 | Carmel Jurjevic | 29 | wife | — | California |
| 47 | Michael Stark | 42 | head | Clerk | Austria |
| 48 | Rose Stark | 37 | wife | Seamstress | Montana |
| 49 | Virginia Stark | 18 | daughter | — | Washington |
| 50 | Raymond Stark | 16 | son | — | California |
| 51 | Mary Deslich | 67 | mother | — | Austria |
| 52 | Michael Mihalek | 29 | head | Printer | Missouri |
| 53 | Clara Mihalek | 27 | wife | — | Jugoslavia |
| 54 | Michael Mihalek | 4 | son | — | California |
| 55 | Stephen Mihalek | 1 | son | — | California |
| 56 | George George | 21 | bro-in-law | Seaman | California |
| 57 | George Pangan | 44 | head | Janitor | Philippine Is. |
| 58 | Lucy Pangan | 34 | wife | — | Spain |
| 59 | Carmelita Pangan | 10 | daughter | — | Oregon |
| 60 | George Pangan | 4 | son | — | California |
| 61 | Richard Pangan | 1 | son | — | California |
| 62 | Rudolph Romero | 24 | lodger | — | Spain |
| 63 | Ends Here | None | BLOCK | — | — |
| 64 | Henry W. Haney | 63 | head | — | Oregon |
| 65 | Belle Haney | 61 | wife | — | Missouri |
| 66 | Holly Haney | 16 | daughter | — | California |
| 67 | Leo Galli | 33 | head | Florist | California |
| 68 | Iva Galli | 30 | wife | — | Idaho |
| 69 | Leo Jr Galli | 5 | son | — | California |
| 70 | Richard Watson | 25 | lodger | Feeder | Iowa |
| 71 | Bernice Watson | 21 | lodger | — | No. Carolina |
| 72 | Thomas Cullen | 38 | head | Foreman | New York |
| 73 | Gertrude Cullen | 45 | wife | — | California |
| 74 | Thomas Cullen | 11 | son | — | California |
| 75 | Olaf Hansen | 38 | head | Shipping Clerk | Norway |
| 76 | Hildur Hansen | 38 | wife | — | Sweden |
| 77 | James Hansen THIS PERSON | 17 | son | — | California |
| 78 | Alice Hansen | 13 | daughter | — | California |
| 79 | Paul Hansen | 10 | son | — | California |
| 80 | David Hansen | 8 | 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)