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Anna Jensen — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Anna Jensen across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Otto & Lou — first a daughter (b.~1917), then head of a 5-person household.
Age 13
b. ~1917
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Marie Jensen | Spouse | — | 44 | ~1886 |
| Lawrence Jensen | Head | — | 44 | ~1886 |
| Ellen Jensen | Daughter | — | 12 | ~1918 |
| Inga Jensen | Daughter | — | 7 | ~1923 |
| Anna Jensen | Daughter | — | 13 | ~1917 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 5 household members
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 24
Cook-County, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Ann AB |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Highest Grade | H-4 |
| 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 Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Jensen (~0.82 confidence) and mother Lou Jensen (~0.82 confidence) and father Lawrence Jensen (~0.92 confidence) and mother Marie Jensen (~0.92 confidence) and father Marius Jensen (~0.92 confidence) and father Charles Jensen (~0.92 confidence) and mother Karen Jensen (~0.92 confidence) and mother Christine Jensen (~0.92 confidence). The pedigree spans 2 generations with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Otto Jensen
b. ~1860
Source father>father
● Household
· direct · ~0.82
Mother
Lou Jensen
b. ~1865
Source father>mother
● Household
· direct · ~0.82
Father
Lawrence Jensen
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Marie Jensen
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Marius Jensen
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Charles Jensen
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Karen Jensen
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Christine Jensen
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Anna Jensen
Daughter · 1930 · age 13 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Inga Jensen
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Jensen
Sibling · 1930 · age 12
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:illinoiscensus00reel473:1080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Paul Schulze | 29 | Head | Lathe Worker | Germany |
| 52 | Sophie Schulze | 29 | Wife | None | Germany |
| 53 | Gerhard Schulze | 4 | Son | None | Germany |
| 54 | Gerhard Krause | 21 | Brother-in-law | Proprietor | Germany |
| 55 | Lawrence Jensen | 44 | Head | Carpenter | Denmark |
| 56 | Marie Jensen | 44 | Wife | Proprietor | Denmark |
| 57 | Anna Jensen THIS PERSON | 13 | Daughter | None | Illinois |
| 58 | Ellen Jensen | 12 | Daughter | None | Illinois |
| 59 | Inga Jensen | 7 | Daughter | None | Illinois |
| 60 | May Azuell | 48 | Head | None | Illinois |
| 61 | Otto Steen | 53 | Head | Printer | Denmark |
| 62 | Louise Steen | 17 | Daughter | Stenographer | Illinois |
| 63 | Mildred Steen | 14 | Daughter | None | Illinois |
| 64 | Louise Lundgren | 80 | Mother-in-law | None | Sweden |
| 65 | Nathan Becker | 57 | Head | Grocer | Russia |
| 66 | Katie Becker | 45 | Wife | None | Russia |
| 67 | Sidney Becker | 14 | Son | None | Illinois |
| 68 | Bernice Becker | 10 | Daughter | None | Illinois |
| 69 | Joseph Kryci | 35 | Head | Meat Cutter | Illinois |
| 70 | Bessie Kryci | 33 | Wife | None | Illinois |
| 71 | Joseph Jr Kryci | 7 | Son | None | Illinois |
| 72 | Norbert Kryci | 3 | Son | None | Illinois |
| 73 | Louis Pettersen | 63 | Head | Compositor | Norway |
| 74 | Raymond Pettersen | 30 | Son | Compositor | Illinois |
| 75 | Alice E Pettersen | 23 | Daughter-in-law | Machine Operator | Illinois |
| 76 | Edward J Pettersen | 21 | Son | Apprentice | Illinois |
| 77 | Richard Tranel | 49 | Head | Baker | Germany |
| 78 | Bertha Tranel | 45 | Wife | None | Germany |
| 79 | John Neubauer | 22 | Son-in-law | Baker | Illinois |
| 80 | Erna Neubauer | 21 | Daughter | None | Illinois |
| 81 | Samuel Stern | 32 | Head | Proprietor | Missouri |
| 82 | Shirley Stern | 28 | Wife | None | Illinois |
| 83 | Irene Stern | 5 | Daughter | None | Illinois |
| 84 | Conrad Dahlke | 38 | Head | Proprietor | Illinois |
| 85 | Alice Dahlke | 35 | Wife | None | Illinois |
| 86 | Richard Dahlke | 12 | Son | None | Illinois |
| 87 | Laverne Dahlke | 7 | Daughter | None | Illinois |
| 88 | Warren Dahlke | 2 | Son | None | Illinois |
| 89 | Aileen Dahlke | 0 | Daughter | None | Illinois |
| 90 | Howard Dahlke | 0 | Son | None | Illinois |
| 91 | George Klausen | 42 | Head | Dress Cutter | Denmark |
| 92 | Linda Klausen | 39 | Wife | None | Denmark |
| 93 | Olaf Klausen | 21 | Son | Milk Salesman | Denmark |
| 94 | Augusta Hackbart | 48 | Head | None | Germany |
| 95 | Arthur Hackbart | 22 | Son | Clerk Typist | Illinois |
| 96 | Walter Hackbart | 20 | Son | Bench Worker | Illinois |
| 97 | Louis Hackbart | 19 | Son | None | Illinois |
| 98 | Louise Hackbart | 19 | Daughter | Envelope Worker | Illinois |
| 99 | Theodore Bravos | 45 | Head | Proprietor | Greece |
| 100 | Marie Bravos | 43 | Wife | None | Greece |
Pedigree Summary
Anna + 2 siblings
Gen 1 · 6 parents
~0.92
Gen 2 · 2 grandparents
~0.82
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)