RJ
Ruth Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Ruth Johnston across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Harry & Anna — first a daughter (b.~1904), then head of a 5-person household.
Age 26
b. ~1904
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Chicago |
| Est. Birth Year | ~1904 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Emma Johnston | Spouse | — | 52 | ~1878 |
| Harry Johnston | Head | — | 54 | ~1876 |
| Jean Johnston | Daughter | — | 18 | ~1912 |
| Robert Johnston | Son | — | 21 | ~1909 |
| Ruth Johnston | Daughter | — | 26 | ~1904 |
Census Appearances
1910
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Ruth M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 26
Cook, Illinois · implied b. ~1904 — 5 household members
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| 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 Ruth Johnston across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Harry Johnston (~0.92 confidence) and mother Anna Johnston (~0.92 confidence) and mother Annie Johnston (~0.92 confidence) and mother Emma Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Johnston
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Johnston
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Annie Johnston
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnston
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Johnston
Daughter · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Robert Johnston
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Johnston
Sibling · 1930 · age 18
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:illinoiscensus00reel477:0424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Linus B. Johnson | 39 | Head | Electrician | Illinois |
| 2 | Mae Johnson | 34 | Wife | Stenographer | Illinois |
| 3 | Charles Johnson | 11 | Son | — | Illinois |
| 4 | Thelma Johnson | 9 | Daughter | — | Illinois |
| 5 | Elva Johnson | 5 | Daughter | — | Illinois |
| 6 | Pearl Carlet | 53 | Sister-in-law | Dressmaker | Illinois |
| 7 | Sam W. Lenz | 63 | Head | Conductor | Indiana |
| 8 | Lillian Lenz | 41 | Wife | — | Missouri |
| 9 | Lloyd H. Lenz | 36 | Head | Salesman | Missouri |
| 10 | Elinor Lenz | 33 | Wife | — | Missouri |
| 11 | Lloyd Jr. Lenz | 17 | Son | — | Missouri |
| 12 | Eugene Tessier | 59 | Head | Salesman | Germany |
| 13 | Clara Tessier | 55 | Wife | — | New York |
| 14 | Sylvia Tessier | 25 | Daughter | Saleslady | New York |
| 15 | Samuel Taloher | 45 | Head | Detail | Kansas |
| 16 | Alexandra Taloher | 33 | Wife | Stenographer | Illinois |
| 17 | Harry Currie | 42 | Head | Inspector | England |
| 18 | Ida Currie | 37 | Wife | Bookkeeper | England |
| 19 | Raymond Dengler | 39 | Head | Manufacturer | Connecticut |
| 20 | Marion Dengler | 36 | Wife | — | Michigan |
| 21 | Eldred Dengler | 13 | Son | — | Illinois |
| 22 | Raymond Dengler | 11 | Son | — | Illinois |
| 23 | Robert Dengler | 9 | Son | — | Illinois |
| 24 | Ursula Secau | 59 | Head | — | Austria |
| 25 | Charles Secau | 34 | Son | Electrician | Illinois |
| 26 | Alexander Secau | 30 | Son | Policeman | Illinois |
| 27 | Ursula Secau | 26 | Daughter | Stenographer | Illinois |
| 28 | Charles Secau | 24 | Son | — | Illinois |
| 29 | Zayer H. Secau | 21 | Daughter | — | Illinois |
| 30 | Harry G. Johnston | 54 | Head | Teacher | Wisconsin |
| 31 | Emma M. Johnston | 52 | Wife | — | Wisconsin |
| 32 | Ruth Johnston THIS PERSON | 26 | Daughter | Teacher | Illinois |
| 33 | Robert Johnston | 21 | Son | Salesman | Illinois |
| 34 | Jean Johnston | 18 | Daughter | — | Illinois |
| 35 | Oscar Moritz | 58 | Head | All Around Man | Germany |
| 36 | Clara Moritz | 51 | Wife | — | Illinois |
| 37 | Oscar Kernohan | 35 | Son-in-law | Photo Engraver | Illinois |
| 38 | Lillian Kernohan | 30 | Daughter | — | Illinois |
| 39 | Oscar Jr. Kernohan | 3 | Son | — | Illinois |
| 40 | Arthur Swanson | 51 | Head | Tailor | Illinois |
| 41 | Anna Swanson | 46 | Wife | — | Sweden |
| 42 | Marjorie Swanson | 21 | Daughter | Polisher | Illinois |
| 43 | Alice Swanson | 16 | Daughter | — | Illinois |
| 44 | Henry Harmon | 47 | Head | Physician | Minnesota |
| 45 | Nellie E. Harmon | 47 | Wife | — | Illinois |
| 46 | Roy H. Harmon | 40 | Son | Lawyer | Illinois |
| 47 | Emma Allen | 38 | Daughter | — | Illinois |
| 48 | Clyde B. Allen | 41 | Son-in-law | Salesman | Illinois |
| 49 | Herbert Allen | 15 | Son | — | Illinois |
| 50 | Patricia Allen | 10 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 4 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)