IR
Ida Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ida Ross across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1895 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Mollie Ross | Daughter | — | 16 | ~1924 |
| Norman Ross | Son | — | 11 | ~1929 |
| Jacob Ross | Son | — | 20 | ~1920 |
| Benjamin Ross | Son | — | 13 | ~1927 |
| Ida Ross | Spouse | — | 45 | ~1895 |
| Bernard Ross | Head | — | 43 | ~1897 |
Census Appearances
1930
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Age at First Marriage | 24 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Mother Tongue | Jewish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Cook-County, Illinois
Spouse, age 45
Cook-County, Illinois · implied b. ~1895 — 6 household members
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Ida Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Ross
Spouse · 1940 · age 45 · b. ~1895 · Illinois
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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-t0627-01021-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Bauer | 49 | Head | — | Ohio |
| 2 | Joseph Bauer | 27 | Son | Claim Department | Illinois |
| 3 | Wilfred Bauer | 20 | Son | Sales Clerk | Illinois |
| 4 | Henrietta Bauer | 15 | Daughter | — | Illinois |
| 5 | Henry Koelzech | 26 | Head | Leather Cutter | Ohio |
| 6 | Anna Koelzech | 25 | Wife | — | Ohio |
| 7 | Alice Miller | 46 | Head | Stenographer | Montana |
| 8 | Nina Miller | 15 | Daughter | — | Colorado |
| 9 | Kenneth Johnson | 33 | Head | Circulation | Illinois |
| 10 | Edith Johnson | 31 | Wife | — | Illinois |
| 11 | Barbara Johnson | 9 | Daughter | — | Illinois |
| 12 | Kenneth Johnson | 5 | Son | — | Illinois |
| 13 | Susan Johnson | 4 | Daughter | — | Illinois |
| 14 | Bernard Ross | 43 | Head | Rabbi | Poland |
| 15 | Ida Ross THIS PERSON | 45 | Wife | — | Poland |
| 16 | Jacob Ross | 20 | Son | Sales Clerk | Poland |
| 17 | Mollie Ross | 16 | Daughter | — | Illinois |
| 18 | Benjamin Ross | 13 | Son | — | Illinois |
| 19 | Norman Ross | 11 | Son | — | Illinois |
| 20 | William Mckenzie | 37 | Head | Salesman | Arkansas |
| 21 | Audrey Mckenzie | 36 | Wife | — | Illinois |
| 22 | Barbara Mckenzie | 13 | Daughter | — | Illinois |
| 23 | Donald Mckenzie | 6 | Son | — | Illinois |
| 24 | Paul James | 40 | Head | Salesman | Nebraska |
| 25 | Daisy James | 32 | Wife | — | Missouri |
| 26 | John James | 12 | Son | — | Arkansas |
| 27 | Robert James | 9 | Son | — | Illinois |
| 28 | Joanne James | 6 | Daughter | — | Illinois |
| 29 | Paul James | 1 | Son | — | Illinois |
| 30 | Vernon Pierce | 43 | Head | Foreman | Illinois |
| 31 | Helen Pierce | 34 | Wife | — | Illinois |
| 32 | Jackson Pierce | 12 | Son | — | Illinois |
| 33 | Mariana Pierce | 2 | Daughter | — | Illinois |
| 34 | Bertha Jackson | 65 | Mother-in-law | — | Illinois |
| 35 | Hugh Murphy | 45 | Head | Salesman | Pennsylvania |
| 36 | Grace Murphy | 40 | Wife | — | Illinois |
| 37 | Edward Murphy | 16 | Son | — | Illinois |
| 38 | Mary Murphy | 12 | Daughter | — | Illinois |
| 39 | Hugh Murphy | 10 | Son | — | Illinois |
| 40 | Samuel Finnerman | 53 | Head | Proprietor | England |
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)