AO
Anna Olsen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Anna Olsen across the 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 9-person household.
Age 13
b. ~1917
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Olsen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Emma Olsen | Spouse | — | 45 | ~1885 |
| Alice Olsen | Daughter | — | 10 | ~1920 |
| Oscar Olsen | Son | — | 24 | ~1906 |
| George Olsen | Son | — | 17 | ~1913 |
| Harry Olsen | Son | — | 19 | ~1911 |
| Oscar Olsen | Head | — | 54 | ~1876 |
| Frank Olsen | Son | — | 21 | ~1909 |
| Rosemary Olsen | Daughter | — | 3 | ~1927 |
| Anna Olsen | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Alameda, California
Daughter, age 13
Alameda, California · implied b. ~1917 — 9 household members
| Surname | Olsen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Daughter, age 24
Alameda-County, California · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Arlyne H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Occupation | Rollermaker |
| Industry | Paper Box |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 200 |
| Highest Grade | H-4 |
| 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 Anna Olsen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Olsen
Daughter · 1930 · age 13 · b. ~1917 · California
★ You are viewing this record
Sibling
Alice Olsen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Olsen
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Olsen
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Olsen
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Olsen
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Olsen
Sibling · 1930 · age 17
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:acpl_california_08_reel08:0922)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl L Franklin | 64 | Head | Janitor | Sweden |
| 2 | Mary A Franklin | 64 | Wife | — | Sweden |
| 3 | Harry H Fulton | 27 | Head | Laborer | Missouri |
| 4 | Hazel R Fulton | 21 | Wife | — | New York |
| 5 | Sousa | 35 | Head | — | Hawaii |
| 6 | Mary Sousa | 32 | Wife | — | Hawaii |
| 7 | William Sousa | 13 | Son | — | California |
| 8 | Mary Sousa | 11 | Daughter | — | California |
| 9 | Mary Smith | 52 | Mother-in-law | — | Portugal |
| 10 | John M Hartnett | 32 | Head | — | Pennsylvania |
| 11 | Isabel Hartnett | 42 | Wife | — | California |
| 12 | Robert Hartnett | 7 | Son | — | California |
| 13 | Frank W Suther | 43 | Head | — | Pennsylvania |
| 14 | Ruth E Suther | 42 | Wife | — | California |
| 15 | Kate E Williamson | 73 | Mother-in-law | — | Pennsylvania |
| 16 | Geo H Bruce | 42 | Head | — | Utah |
| 17 | Margaret Bruce | 39 | Wife | — | California |
| 18 | Evelyn Bruce | 15 | Daughter | — | California |
| 19 | Nels Ring | 47 | Head | — | Denmark |
| 20 | Hilda Ring | 51 | Wife | — | Sweden |
| 21 | Benjamin Starkey | 48 | Head | — | California |
| 22 | Emma Starkey | 41 | Wife | — | California |
| 23 | Benjamin J Starkey | 24 | Son | — | California |
| 24 | Albert H Payne | 44 | Head | — | California |
| 25 | James Anderson | 43 | Head | Contractor | Scotland |
| 26 | Isabella Anderson | 39 | Wife | — | Scotland |
| 27 | Alexander Anderson | 21 | Son | — | Scotland |
| 28 | Phillip Russell | 23 | Roomer | Inspector | California |
| 29 | Axel M Carlson | 60 | Head | Ship Fitter | Sweden |
| 30 | Evelyn Carlson | 55 | Wife | — | Minnesota |
| 31 | Edward Carlson | 20 | Son | Carpenter | California |
| 32 | Peter S Clements | 49 | Head | — | Missouri |
| 33 | Anna Clements | 44 | Wife | Motorman | Arkansas |
| 34 | Clara Glass | 82 | Mother-in-law | — | Germany |
| 35 | Tom Lello | 43 | Head | — | Portugal |
| 36 | Helen Lello | 38 | Wife | — | Portugal |
| 37 | Mary Lello | 18 | Daughter | — | California |
| 38 | Minnie Lello | 16 | Daughter | — | California |
| 39 | Manuel Lello | 13 | Son | — | California |
| 40 | Victor Melo | 26 | Boarder | — | Portugal |
| 41 | Oscar C Olsen | 54 | Head | Inspector | Denmark |
| 42 | Emma Olsen | 45 | Wife | Laborer | California |
| 43 | Oscar Jr Olsen | 24 | Son | — | California |
| 44 | Frank Olsen | 21 | Son | — | California |
| 45 | Harry Olsen | 19 | Son | Molder | California |
| 46 | George Olsen | 17 | Son | — | California |
| 47 | Anna Olsen THIS PERSON | 13 | Daughter | — | California |
| 48 | Alice Olsen | 10 | Daughter | — | California |
| 49 | Rosemary Olsen | 3 | Daughter | — | California |
| 50 | Alfred Lamb | 47 | Head | Driver | England |
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)