AO
Annie Olson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Alameda, California
Our Model Tree links this Annie Olson across the 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 7-person household.
Age 35
b. ~1885
Female
Spouse
Born: California
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Alameda, California |
| Surname | Olson |
| Given Name | Annie C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1885 |
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 1920 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| Annie Olson | Spouse | — | 35 | ~1885 |
| Hansen Olson | Son | — | 7 | ~1913 |
| Roy Olson | Son | — | 10 | ~1910 |
| Connie Olson | Son | — | 8 | ~1912 |
| Robert Olson | Son | — | ~1920 | |
| Adel Olson | Head | — | 41 | ~1879 |
| Stephen Olson | Son | — | 4 | ~1916 |
Census Appearances
1920
Alameda, California
Spouse, age 35
Alameda, California · implied b. ~1885 — 7 household members
| Surname | Olson |
| Given Name | Annie C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Spouse, age 45
Alameda, California · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna E |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| 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 Annie Olson across 2 US Census years (1920 and 1930) in Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Olson
Spouse · 1920 · age 35 · b. ~1885 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Alameda, California
Open full size
1920 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu093unit:0214)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert S. Olsen | 27 | Son | Salesman | California |
| 2 | Irene M. Olsen | 18 | Daughter | Candy Packer | California |
| 3 | Margaret R. Olsen | 16 | Daughter | Banker | California |
| 4 | Andrew O. Olsen | 15 | Son | — | California |
| 5 | Lincoln F. Olsen | 11 | Son | — | California |
| 6 | Violet T. Olsen | 10 | Daughter | — | California |
| 7 | Mabel M. Olsen | 7 | Daughter | — | California |
| 8 | Leslie Olsen | 4 | Son | — | California |
| 9 | Joseph J. Rocha | 55 | Head | Teamster | Azores Is. |
| 10 | Mary S. Rocha | 44 | Wife | — | California |
| 11 | Evangeline M. Rocha | 22 | Daughter | Bookkeeper | California |
| 12 | Loretta M. Rocha | 20 | Daughter | Typist Clerk | California |
| 13 | Henry A. Rocha | 19 | Son | Apprentice Machinist | California |
| 14 | Florence E. Rocha | 18 | Daughter | Mail Clerk | California |
| 15 | Joseph F. Rocha | 14 | Son | — | California |
| 16 | Cecelia A. Rocha | 12 | Daughter | — | California |
| 17 | Albert L. Rocha | 11 | Son | — | California |
| 18 | Edwin H. Rocha | 10 | Son | — | California |
| 19 | Eleanor P. Rocha | 4 | Daughter | — | California |
| 20 | Adel G. Olson | 41 | Head | Hand Finisher | Sweden |
| 21 | Annie C. Olson THIS PERSON | 35 | Wife | — | California |
| 22 | Roy C. Olson | 10 | Son | — | California |
| 23 | Connie R. Olson | 8 | Son | — | California |
| 24 | Hansen C. Olson | 7 | Son | — | California |
| 25 | Stephen R. Olson | 4 | Son | — | California |
| 26 | Robert A. Olson | 0 | Son | — | California |
| 27 | Thomas J. Jones | 49 | Head | Policeman | California |
| 28 | Hylda A. Jones | 33 | Wife | — | California |
| 29 | Illius B. Roth | 42 | Head | Motorman | Germany |
| 30 | Elizabeth M. Roth | 34 | Wife | — | Sweden |
| 31 | Aline C. Roth | 11 | Daughter | — | California |
| 32 | Hazel D. Roth | 9 | Daughter | — | California |
| 33 | Mathias Bless | 66 | Roomer | Waiter | Hungary |
| 34 | Fred C. Dittrich | 55 | Roomer | Laborer | Germany |
| 35 | John Nelson | 45 | Head | Pilot (Bay) | Sweden |
| 36 | Mary Nelson | 39 | Wife | — | Finland |
| 37 | Elmer Nelson | 16 | Son | — | California |
| 38 | Henry Nelson | 12 | Son | — | California |
| 39 | John Nelson | 10 | Son | — | California |
| 40 | Harold Nelson | 9 | Son | — | California |
| 41 | Stanley Nelson | 7 | Son | — | California |
| 42 | John J. Waderlin | 46 | Head | Ship Caulker | California |
| 43 | Minnie N. Waderlin | 46 | Wife | — | California |
| 44 | George T. Waderlin | 20 | Son | — | California |
| 45 | Mae E. Waderlin | 19 | Daughter | Laborer | California |
| 46 | Rita A. Waderlin | 17 | Daughter | Laborer | California |
| 47 | John J. Waderlin | 14 | Son | — | California |
| 48 | Edward R. Waderlin | 13 | Son | — | California |
| 49 | Herbert B. Waderlin | 11 | Son | — | California |
| 50 | Charles Lindstrom | 53 | Head | — | Sweden |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)