AO
Anna Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Anna Olson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Louise — first a daughter (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Olson |
| Given Name | Anna O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Pearl Olson | Daughter | — | 15 | ~1915 |
| Eleanore Olson | Daughter | — | 11 | ~1919 |
| Anna Olson | Daughter | — | 19 | ~1911 |
| Ole Olson | Head | — | 52 | ~1878 |
| Louise Olson | Other | — | 55 | ~1875 |
Census Appearances
1920
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 19
Cook, Illinois · implied b. ~1911 — 5 household members
| Surname | Olson |
| Given Name | Anna O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 30
Cook-County, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ann D. |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Divorced |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Bookkeeper |
| Industry | Radio Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 920 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Olson (~0.92 confidence) and mother Louise Olson (~0.92 confidence) and father Ole Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Olson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Louise Olson
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Ole Olson
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Anna Olson
Daughter · 1930 · age 19 · b. ~1911 · Illinois
★ You are viewing this record
Sibling
Pearl Olson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanore Olson
Sibling · 1930 · age 11
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel470:0704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Stevenson | 54 | Wife-H | None | Scotland |
| 52 | Isabelle Stevenson | 8 | Daughter | None | Illinois |
| 53 | William Stevenson | 5 | Son | None | Illinois |
| 54 | Betty Stevenson | 3 | Daughter | None | Illinois |
| 55 | Mary Pierce | 63 | Head-H | None | Illinois |
| 56 | Jessie Downing | 39 | Daughter | Clerk | Illinois |
| 57 | Dale Downing | 12 | Son | None | Illinois |
| 58 | Robert Downing | 9 | Son | None | Illinois |
| 59 | Paul Heidenreich | 46 | Head | Starter | Germany |
| 60 | Anna Heidenreich | 50 | Wife-H | None | Canada English |
| 61 | Dorothy Heidenreich | 22 | Daughter | Comptometer | Illinois |
| 62 | Edward Heidenreich | 17 | Son | None | Illinois |
| 63 | Charles Heidenreich | 47 | Head | Shipping Clerk | Illinois |
| 64 | Anna Heidenreich | 32 | Wife-H | None | Michigan |
| 65 | Jennie Pelkins | 39 | Head-H | None | Wisconsin |
| 66 | Albright Pelkins | 15 | Son | None | Illinois |
| 67 | Dwain Pelkins | 15 | Son | None | Illinois |
| 68 | Mabel L. Pelkins | 8 | Daughter | None | Illinois |
| 69 | Carroll Pelkins | 5 | Son | None | Illinois |
| 70 | Michael Kenneally | 55 | Head | Ironworker | Illinois |
| 71 | Anna Kenneally | 50 | Wife-H | None | Germany |
| 72 | Martin Kenneally | 21 | Son | None | Illinois |
| 73 | Eileen Kenneally | 19 | Daughter | None | Illinois |
| 74 | James B. Emerich | 53 | Head | Advisor | Illinois |
| 75 | Elizabeth Emerich | 47 | Wife-H | None | Scotland |
| 76 | Gethmary Emerich | 26 | Daughter | Secretary | Illinois |
| 77 | James A. Emerich | 24 | Son | Salesman | Illinois |
| 78 | Raymond Emerich | 22 | Son | Clerk | Illinois |
| 79 | Frances Emerich | 18 | Son | None | Illinois |
| 80 | Ole Olson | 52 | Head | Truck Painter | Norway |
| 81 | Louise Olson | 55 | Wife-H | None | Sweden |
| 82 | Anna O. Olson THIS PERSON | 19 | Daughter | Clerk | Illinois |
| 83 | Pearl L. Olson | 15 | Daughter | None | Illinois |
| 84 | Eleanore H. Olson | 11 | Daughter | None | Illinois |
| 85 | Einar Larson | 35 | Head | Finisher | Sweden |
| 86 | Alma Larson | 33 | Wife-H | None | Sweden |
| 87 | Gunhild Larson | 2 | Daughter | None | Illinois |
| 88 | Helga Larson | 25 | Sister | None | Illinois |
| 89 | Rudolph Larson | 28 | Brother | Laborer | Sweden |
| 90 | Dalton Brundage | 27 | Head | Foreman | Illinois |
| 91 | Beatrice Brundage | 27 | Wife-H | None | Illinois |
| 92 | John Nellas | 55 | Head | Butler | Belgium |
| 93 | Jennie Nellas | 59 | Wife-H | None | Belgium |
| 94 | Arthur Nellas | 22 | Son | Driver | Illinois |
| 95 | Edward Willette | 58 | Head | Foreman | Illinois |
| 96 | Ronie Willette | 57 | Wife-H | None | Illinois |
| 97 | Edward Willette | 22 | Son | Tire Man | Illinois |
| 98 | Grant Willette | 20 | Son | Clerk | Illinois |
| 99 | Willette | 17 | Son | Salesman | Minnesota |
| 100 | Peter B. Rydell | 61 | Head | Cashier | Sweden |
Pedigree Summary
Anna + 2 siblings
Gen 1 · 3 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)