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Ruth Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Ross across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ross |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Ross | Daughter | — | 13 | ~1927 |
| David Ross | Son | — | 2 | ~1938 |
| George Ross | Son | — | 17 | ~1923 |
| Hattie Ross | Daughter | — | 19 | ~1921 |
| Julius Ross | Son | — | 10 | ~1930 |
| Mary Ross | Head | — | 41 | ~1899 |
| Milton Ross | Son | — | 7 | ~1933 |
| Joan Ross | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Missouri |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 13
Cook-County, Illinois · implied b. ~1927 — 8 household members
| Surname | Ross |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| 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 Ruth Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Ross
Daughter · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
George Ross
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Ross
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Ross
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Ross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Ross
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Ross
Sibling · 1940 · age 19
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00925-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Otto Williams | 8 | Nephew | — | Illinois |
| 2 | Elukue | Elukne Williams | 6 | Nephew | — | Illinois |
| 3 | Charlene Williams | 2 | Niece | — | Illinois |
| 4 | Gravelton Williams | 32 | Brother | Junior Clerk | Arkansas |
| 5 | Thelma Williams | 24 | Sister-in-law | — | Tennessee |
| 6 | Knowlton Williams | 6 | Nephew | — | Illinois |
| 7 | Shirley Williams | 4 | Niece | — | Illinois |
| 8 | Mary Williams | 2 | Niece | — | Illinois |
| 9 | Bradley May | 43 | Head | Cook | Kentucky |
| 10 | Elizabeth May | 43 | Wife | House Work | Missouri |
| 11 | Julius May | 21 | Son | — | Illinois |
| 12 | Bradley May | 17 | Son | — | Illinois |
| 13 | Evelyn Richards | 28 | Lodger | Button Hole Operator | Alabama |
| 14 | George Washington | 37 | Head | Grader | Alabama |
| 15 | Florence Washington | 29 | Wife | — | Nebraska |
| 16 | Verllene Washington | 8 | Daughter | — | Illinois |
| 17 | Minnie Jackson | 56 | Head | — | Missouri |
| 18 | Hilda Harrison | 48 | Sister | — | Missouri |
| 19 | Eddie Ratliff | 47 | Head | — | Mississippi |
| 20 | Viola Ratliff | 44 | Wife | — | Tennessee |
| 21 | Corrine Ratliff | 16 | Daughter | — | Illinois |
| 22 | Clayborne Tinsley | 50 | Head | Line Man | S. Carolina |
| 23 | Laura Tinsley | 45 | Wife | — | Alabama |
| 24 | William Tinsley | 11 | Son | — | Illinois |
| 25 | Clayborn Tinsley | 7 | Son | — | Illinois |
| 26 | Violet Tinsley | 6 | Daughter | — | Illinois |
| 27 | Jeanette Tinsley | 4 | Daughter | — | Illinois |
| 28 | Clara Jean Tinsley | 3 | Daughter | — | Illinois |
| 29 | Dorothy Little | 19 | Daughter | — | Illinois |
| 30 | Loretta Little | 5 | Daughter | — | Illinois |
| 31 | Mary Ross | 41 | Head | — | Mississippi |
| 32 | Hattie Bell Ross | 19 | Daughter | New Worker | Arkansas |
| 33 | George Ross | 17 | Son | — | Arkansas |
| 34 | Ruth Ross THIS PERSON | 13 | Daughter | — | Illinois |
| 35 | Julius Ross | 10 | Son | — | Illinois |
| 36 | Milton Ross | 7 | Son | — | Illinois |
| 37 | Joan Ross | 4 | Daughter | — | Illinois |
| 38 | David Ross | 2 | Son | — | Illinois |
| 39 | Gilbert Walker | 62 | Head | Interior Decorator | Tennessee |
| 40 | Elsie Green | 34 | Lodger | Seamstress | Mississippi |
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)