EJ
Elsie Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Elsie Johnson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Elmer & Augusta — first a daughter (b.~1913), then head of a 3-person household.
Age 17
b. ~1913
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Elsie | Age | Birth yr |
|---|---|---|---|---|
| Elsie Johnson | Daughter | — | 17 | ~1913 |
| John Johnson | Head | — | 44 | ~1886 |
| Evelina Johnson | Other | — | 41 | ~1889 |
Census Appearances
1920
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| 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 17
Cook, Illinois · implied b. ~1913 — 3 household members
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 28
Cook-County, Illinois · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elsa |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Separated |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Time Keeper |
| Industry | Fish Netting Mill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 688 |
| 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 Elsie Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Johnson (~0.92 confidence) and mother Augusta Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Augusta Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
John Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Elsie Johnson
Daughter · 1930 · age 17 · b. ~1913 · 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
50 people indexed on this census page (ia:1930:illinoiscensus00reel448:0512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Mazzocchi | 35 | Head | Mechanic | Italy |
| 2 | Mary Mazzocchi | 33 | daughter | None | Illinois |
| 3 | Gabriel Mazzocchi | 10 | son | None | Illinois |
| 4 | Dolly Mazzocchi | 9 | daughter | None | Illinois |
| 5 | Anna M Mazzocchi | 8 | daughter | None | Illinois |
| 6 | Katherine Mazzocchi | 6 | daughter | None | Illinois |
| 7 | Clara Mazzocchi | 4 | daughter | None | Illinois |
| 8 | Buddy Mazzocchi | 1 | son | None | Illinois |
| 9 | Julius Harting | 46 | head | Shoe Repair | Illinois |
| 10 | Bertha Harting | 43 | wife-H | None | Germany |
| 11 | Ellis Reese | 50 | brother-in-law | Laborer | Germany |
| 12 | Bertha Reese | 48 | sister | None | Germany |
| 13 | George F Schick | 52 | head | Foreman | Illinois |
| 14 | Ora Schick | 53 | wife-H | None | Tennessee |
| 15 | Herbert Johnson | 38 | head | Carpenter | Sweden |
| 16 | Lydia Johnson | 35 | wife-H | None | Sweden |
| 17 | Roy Johnson | 12 | son | None | Illinois |
| 18 | John H. Johnson | 44 | head | Carpenter | Sweden |
| 19 | Evelina Johnson | 41 | wife-H | None | Sweden |
| 20 | Elsie Johnson THIS PERSON | 17 | daughter | None | Illinois |
| 21 | Edward Donovan | 25 | head | Electrician | Illinois |
| 22 | Irene Donovan | 22 | wife-H | Typist | Illinois |
| 23 | Henry Beckwith | 50 | head | Watch Maker | Illinois |
| 24 | Margaret Beckwith | 46 | wife-H | None | Germany |
| 25 | John Mattson | 37 | head | Carpenter | Sweden |
| 26 | Agnes Mattson | 39 | wife-H | None | Illinois |
| 27 | Ethel Mattson | 16 | daughter | Saleslady | Illinois |
| 28 | Ralph Mattson | 9 | son | None | Illinois |
| 29 | Harry P Johnson | 44 | head | Packing Clerk | Pennsylvania |
| 30 | Grace M Johnson | 42 | wife-H | None | Virginia |
| 31 | Grace Johnson | 11 | daughter | None | Illinois |
| 32 | John Swanson | 44 | head | Structural Iron | Sweden |
| 33 | Martha Swanson | 39 | wife-H | None | Norway |
| 34 | Sylvia Swanson | 11 | daughter | None | Illinois |
| 35 | Earl Palmer | 29 | head | Car Delivery | Texas |
| 36 | Helen Palmer | 26 | wife-H | None | Illinois |
| 37 | Earl Palmer | 5 | son | None | Illinois |
| 38 | Kenneth Palmer | 2 | son | None | Illinois |
| 39 | Howard Palmer | 1 | son | None | Illinois |
| 40 | Theodore Bein | 41 | head | Locksmith | Germany |
| 41 | Jennie Bein | 34 | wife-H | None | Illinois |
| 42 | Anita Bein | 9 | daughter | None | Illinois |
| 43 | William Scheidhaas | 69 | head-H | None | Germany |
| 44 | Joseph Piehl | 27 | head | Chauffeur | Germany |
| 45 | Marie Piehl | 26 | wife-H | None | Illinois |
| 46 | Joseph Piehl | 7 | son | None | Illinois |
| 47 | Bettie Piehl | 5 | daughter | None | Illinois |
| 48 | Patsy Piehl | 1 | daughter | None | Illinois |
| 49 | John Mackinhill | 40 | head | Salesman | Illinois |
| 50 | Elsa Mackinhill | 34 | wife-H | None | Illinois |
Pedigree Summary
Elsie
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)