EJ
Ethel Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Ethel Johnson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Olaf & Charles — first a daughter (b.~1900), then head of a 2-person household.
Age 30
b. ~1900
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Ethel S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1900 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Johnson | Daughter | — | 30 | ~1900 |
| Emma Johnson | Head | — | 60 | ~1870 |
Census Appearances
1910
Cook, Illinois
Daughter, age 8
Cook, Illinois · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 19
Cook, Illinois · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Telphone operator |
| Industry | Telphone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 30
Cook, Illinois · implied b. ~1900 — 2 household members
| Surname | Johnson |
| Given Name | Ethel S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| 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 Ethel Johnson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Olaf Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Sophia Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Olaf Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Sophia Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ethel Johnson
Daughter · 1930 · age 30 · b. ~1900 · Illinois
★ You are viewing this record
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
48 people indexed on this census page (ia:1930:illinoiscensus00reel491:0980)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wanda Wegers | 18 | Daughter | — | Illinois |
| 2 | Samuel Wegers | 26 | Son-in-law | Salesman | Kentucky |
| 3 | Montague Wegers | 19 | Son-in-law | — | Illinois |
| 4 | Waitel Kopbowski | 14 | Son | Office Boy | Michigan |
| 5 | Evelyn Kopbowski | 10 | Daughter | — | Michigan |
| 6 | Robert Friedle | 28 | Head | Salesman | Germany |
| 7 | Norma Friedle | 27 | Wife | — | Wisconsin |
| 8 | Marilyn Friedle | 3 | Daughter | — | New York |
| 9 | Lately W. Mcginnis | 35 | Head | Salesman | Virginia |
| 10 | Lora Mcginnis | 21 | Wife | Waitress | Tennessee |
| 11 | Esther H. Botteron | 24 | Boarder | Waitress | Illinois |
| 12 | Gertrude Hoffman | 64 | Head | Sewing | Illinois |
| 13 | Abraham Khorozanian | 40 | Head | Rug Repairer | Turkey |
| 14 | Hovard Khorozanian | 29 | Wife | Dressmaking | Turkey |
| 15 | Joe A. Brix | 39 | Head | Painter | Austria |
| 16 | Julia I. Brix | 38 | Wife | — | Missouri |
| 17 | James S. Lowe | 57 | Head | Expressman | Michigan |
| 18 | Madlyn Lowe | 40 | Wife | — | Tennessee |
| 19 | Mike Blaslar | 36 | Head | Auto Trimmer | Russia-Poland |
| 20 | Esther Blaslar | 36 | Wife | — | Russia-Odessa |
| 21 | David Blaslar | 11 | Son | — | Illinois |
| 22 | Shirley Blaslar | 7 | Daughter | — | Illinois |
| 23 | Albert B. De Dry | 48 | Head | Dispatcher | Illinois |
| 24 | Katherine De Dry | 38 | Wife | — | Illinois |
| 25 | Albert G. De Dry | 29 | Son | Promoter | Illinois |
| 26 | Rita De Dry | 18 | Daughter | — | Illinois |
| 27 | Georgine De Dry | 26 | Sister | — | Germany-Bavaria |
| 28 | Julius Daupan | 41 | Head | Tailor | Lithuania |
| 29 | Jennie Daupan | 39 | Wife | — | Lithuania |
| 30 | Sol Daupan | 18 | Son | — | Illinois |
| 31 | Elizabeth Daupan | 15 | Daughter | — | Illinois |
| 32 | Marvin Daupan | 10 | Son | — | Illinois |
| 35 | Emma Johnson | 60 | Head | Servant | Sweden |
| 36 | Ethel S. Johnson THIS PERSON | 30 | Daughter | — | Illinois |
| 37 | Benjamin Sholcow | 50 | Head | Tailor | Russia |
| 38 | Rose Sholcow | 52 | Wife | — | Russia |
| 39 | Blanch Sholcow | 12 | Daughter | — | Illinois |
| 40 | Anna Sholcow | 9 | Daughter | — | Canada-Eng |
| 41 | Richard Wagner | 57 | Head | Sheet Metal Worker | Germany |
| 42 | Louise Wagner | 48 | Wife | — | Illinois |
| 43 | Alvin H. Wagner | 29 | Son | Iron Worker | Illinois |
| 44 | John F. Wolf | 61 | Head | Floor Manager | Illinois |
| 45 | Lillian Wolf | 56 | Wife | — | Kansas |
| 46 | Florence Sanford | 14 | Boarder | — | Illinois |
| 47 | David Sanford | 19 | Boarder | — | Michigan |
| 48 | Holger Hendrickson | 41 | Head | Machinist | Michigan |
| 49 | Florence Hendrickson | 42 | Wife | — | Michigan |
| 50 | Loleta Steinberg | 20 | Daughter | Typist | Michigan |
Pedigree Summary
Ethel
Gen 1 · 5 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)