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Harold Hansen — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this Harold Hansen across the 1910, 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Christian & Hans — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Cashier |
| Industry | Warehouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Cashier |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Vigilio Hansen | Son | — | 20 | ~1910 |
| Hans Hansen | Head | — | 46 | ~1884 |
| Harold Hansen | Son | — | 23 | ~1907 |
| Lucille Hansen | Daughter | — | 21 | ~1909 |
| Marion Hansen | Daughter | — | 15 | ~1915 |
| Lorraine Hansen | Other | — | 45 | ~1885 |
| Hans Hansen | Son | — | 17 | ~1913 |
Census Appearances
1910
Alameda, California
Son, age 3
Alameda, California · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 12
Alameda, California · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 23
Alameda, California · implied b. ~1907 — 7 household members
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Cashier |
| Industry | Warehouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Harold Hansen across 3 US Census years (1910, 1920 and 1930) in Alameda, California, using XGBoost record linkage. Identified parents: father Christian Hansen (~0.92 confidence) and father Hans Hansen (~0.92 confidence) and father William Hansen (~0.92 confidence) and mother Ellen Hansen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Christian Hansen
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Hans Hansen
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Hansen
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Ellen Hansen
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Hansen
Son · 1930 · age 23 · b. ~1907 · California
★ You are viewing this record
Sibling
Vigilio Hansen
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hans Hansen
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Hansen
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Hansen
Sibling · 1930 · age 21
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
1930 US Federal Census — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:15thcensuspopula108unit:0021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Octavia Cambra | 7 | Daughter | — | California |
| 52 | Corrine Cambra | 6 | Daughter | — | California |
| 53 | Fred C. Moorshead | 44 | Head | Manager | Iowa |
| 54 | Lillian Moorshead | 35 | Wife-H | — | Portugal |
| 55 | Hans Hansen | 46 | Head | Carpenter | Denmark |
| 56 | Lorraine M. Hansen | 45 | Wife-H | — | Denmark |
| 57 | Harold Hansen THIS PERSON | 23 | Son | Cashier | California |
| 58 | Lucille Hansen | 21 | Daughter | Stenographer | California |
| 59 | Vigilio Hansen | 20 | Son | — | California |
| 60 | Hans Hansen | 17 | Son | Trucker | California |
| 61 | Marion Hansen | 15 | Daughter | — | California |
| 62 | Cylone Herrera | 32 | Head | Teacher | California |
| 63 | Elsie Herrera | 32 | Wife-H | Housewife | California |
| 64 | Cylone Herrera | 10 | Daughter | — | California |
| 65 | Genevieve Herrera | 5 | Daughter | — | California |
| 66 | Chas. G. Caston | 31 | Head | Salesman | Hawaii |
| 67 | Josephine Caston | 32 | Wife-H | Housewife | California |
| 68 | William Caston | 5 | Son | — | California |
| 69 | Claire Butler | 20 | Sister-law | — | California |
| 70 | George E. Butler | 1 | Nephew | — | California |
| 71 | Glen Holmes | 2 | Boarder | — | California |
| 72 | Tom Rossi | 49 | Head | Florist | California |
| 73 | Lulu Rossi | 45 | Wife-H | Housewife | California |
| 74 | Ernest Rossi | 21 | Son | Florist | California |
| 75 | Raymond Rossi | 16 | Son | — | California |
| 76 | Antoinette Rossi | 13 | Daughter | — | California |
| 77 | Claude Rossi | 10 | Son | — | California |
| 78 | Chas. Frame | 43 | Head | Retired | Idaho |
| 79 | Abbie Frame | 49 | Wife-H | Housewife | Rhode Island |
| 80 | Chas. Jr. Frame | 12 | Son | — | Connecticut |
| 81 | Nanette Frame | 11 | Daughter | — | Washington |
| 82 | Barney Boyce | 69 | Head | Printer | Missouri |
| 83 | Margaret Boyce | 49 | Wife-H | Housewife | Nebraska |
| 84 | George W. Gibbs | 55 | Head | Trainman | Tennessee |
| 85 | Cecelia C. Gibbs | 47 | Wife-H | Housewife | Hawaii |
| 86 | George Jr. Gibbs | 23 | Son | Fireman | California |
| 87 | Arthur Messier | 23 | Head | Conductor | California |
| 88 | Mary M. Messier | 42 | Wife | Housewife | Massachusetts |
| 89 | Gertrude L. Messier | 11 | Daughter | — | California |
| 90 | Galen H. Rose | 36 | Head | Minister | Washington |
| 91 | Leola M. Rose | 34 | Wife-H | Housewife | California |
| 92 | Galen H. Jr. Rose | 10 | Son | — | California |
| 93 | Lois Ann Rose | 3 | Daughter | — | California |
| 94 | Sherry Anne Rose | 1 | Daughter | — | California |
| 95 | Chas. W. Rehnert | 76 | Head | Retired | California |
| 96 | Hattie Rehnert | 57 | Wife-H | Housewife | California |
| 97 | Irma E. Rehnert | 23 | Daughter | Bookkeeper | California |
| 98 | Louis Servidio | 36 | Head | Tailor | Italy |
| 99 | Philomena Servidio | 36 | Wife-H | Housewife | California |
| 100 | Beatrice Servidio | 10 | Daughter | — | California |
Pedigree Summary
Harold + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)