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Ruth Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Ruth Robinson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Walter & Estella — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Robinson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Instructor |
| Industry | Private College |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Instructor |
| Township / Ward | Rock Island City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Robinson | Daughter | — | 22 | ~1918 |
| Walter Robinson | Head | — | 50 | ~1890 |
| William Robinson | Son | — | 21 | ~1919 |
| Estella Robinson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Rock Island, …
Daughter, age 2
Rock Island, Illinois · implied b. ~1918
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Robinson |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Daughter, age 12
Rock Island, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Daughter, age 22
Rock-Island-County, Illinois · implied b. ~1918 — 4 household members
| Surname | Robinson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Occupation | Instructor |
| Industry | Private College |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C 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 Ruth Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Robinson (~0.92 confidence) and mother Estella Robinson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Robinson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Estella Robinson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Robinson
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
William Robinson
Sibling · 1940 · age 21
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
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00877-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Roche | 18 | Son | — | Illinois |
| 42 | Anna Roche | 9 | Daughter | — | Iowa |
| 43 | William H. Mclain | 65 | Head | — | Illinois |
| 44 | Marjorie Ann Mclain | 30 | Daughter | Book-Keeper | Illinois |
| 45 | Francis Rahn | 28 | Daughter | Beautician | Illinois |
| 46 | Lowell Rahn | 30 | Son-in-law | Sales Clerk | Illinois |
| 47 | William Ross | 47 | Head | Office Clerk | Iowa |
| 48 | Edna M. Ross | 42 | Wife | — | Illinois |
| 49 | Shirley Ross | 19 | Daughter | Stenographer | Illinois |
| 50 | James E. Condon | 55 | Head | Department Head | Illinois |
| 51 | Marie D. Condon | 50 | Wife | — | France |
| 52 | James Carl Condon | 23 | Son | Teacher | Illinois |
| 53 | Louis M. Condon | 17 | Son | — | Illinois |
| 54 | Walter A. Robinson | 50 | Head | Partner | Illinois |
| 55 | Estella M. Robinson | 45 | Wife | — | Michigan |
| 56 | William T. Robinson | 21 | Son | Book-Keeper | Illinois |
| 57 | Ruth M. Robinson THIS PERSON | 22 | Daughter | Instructor | Illinois |
| 58 | Herman O. Kevine | 73 | Head | — | Germany |
| 59 | Ida Olmon | 66 | Head | — | Sweden |
| 60 | Charlotte Olmon | 26 | Daughter | Proof Reader | Iowa |
| 61 | Richard P. Anderson | 23 | Lodger | Teacher | South Dakota |
| 62 | Harry Libner | 39 | Head | Hydraulic Engineer | Illinois |
| 63 | Frankie O. Libner | 31 | Wife | — | Illinois |
| 64 | Estella Hudson | 66 | Mother-in-law | — | Canada |
| 65 | Benjamin Pierce | 71 | Head | — | Illinois |
| 66 | Mary A. Pierce | 63 | Wife | — | Illinois |
| 67 | Albert Burleigh | 30 | Head | Hydraulic Engineer | Nebraska |
| 68 | Isabella Burleigh | 27 | Wife | — | Maine |
| 69 | Waldo S. Schneider | 47 | Head | Proprietor | Illinois |
| 70 | Lucilla Schneider | 41 | Wife | — | Illinois |
| 71 | Betty Anne Schneider | 18 | Daughter | Secretary | Illinois |
| 72 | Waldo C. Schneider | 12 | Son | — | Illinois |
| 73 | Selah Worthington | 66 | Head | Office Clerk | Illinois |
| 74 | Blanche P. Ramskill | 62 | Lodger | Postal Clerk | Illinois |
| 75 | Elda P. Brauer | 31 | Lodger | Clerk | Illinois |
| 76 | George Winter | 57 | Head | Office Clerk | Illinois |
| 77 | Elsa A. Winter | 54 | Wife | — | Iowa |
| 78 | Martha J. Hanam | 67 | Head | Manager | Illinois |
| 79 | Baird Mcilroy | 25 | Head | Teacher | Iowa |
| 80 | Arlene Mcilroy | 23 | Wife | — | South Dakota |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)