FR
Fred Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Fred Ross across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ross |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Ross | Son | — | 15 | ~1925 |
| Louis Ross | Son | — | 4 | ~1936 |
| Wilfred Ross | Son | — | 12 | ~1928 |
| Alice Ross | Spouse | — | 42 | ~1898 |
| Cora Ross | Daughter | — | 11 | ~1929 |
| Geraldine Ross | Daughter | — | 14 | ~1926 |
| Valerie Ross | Daughter | — | 8 | ~1932 |
| Adele Ross | Daughter | — | 19 | ~1921 |
| Wilfred Ross | Head | — | 48 | ~1892 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada French |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Ross |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 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 Fred Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Ross
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Geraldine Ross
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Ross
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Valerie Ross
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adele Ross
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilfred Ross
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Ross
Sibling · 1940 · age 11
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
39 people indexed on this census page (nara:1940:m-t0627-00997-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cora Hough | 58 | Wife | — | Illinois |
| 42 | Frank Hough | 22 | Son | — | Illinois |
| 43 | Jack Hough | 19 | Son | — | Illinois |
| 44 | Thelma Hough | 15 | Daughter | — | Illinois |
| 45 | Rose Campbell | 63 | Housekeeper | Housekeeper | Wisconsin |
| 46 | Albert Levine | 69 | Gardener | Gardener | Wisconsin |
| 47 | Edward Jung | 58 | Head | Engineer | Illinois |
| 48 | Henrietta Jung | 51 | Wife | — | Illinois |
| 49 | Carl Jung | 46 | Brother | — | Germany |
| 50 | Edwin Zimmerman | 47 | Head | Butcher | Illinois |
| 51 | Marie B. Zimmerman | 41 | Wife | — | Illinois |
| 52 | Arlene M. Zimmerman | 13 | Daughter | — | Illinois |
| 53 | Doris C. Zimmerman | 3 | Daughter | — | Illinois |
| 54 | Sarah J. Zimmerman | 76 | Mother | — | Illinois |
| 55 | Bjarne Brynilson | 60 | Head | Architect | Norway |
| 56 | Margit Brynilson | 56 | Wife | — | Norway |
| 57 | Else Brynilson | 24 | Daughter | Chauffeur | Illinois |
| 58 | Edward N. Anderson | 37 | Head | Manager | Illinois |
| 59 | Madeline Anderson | 31 | Wife | — | Illinois |
| 60 | Ronald Anderson | 6 | Son | — | Illinois |
| 61 | Edward Anderson | 5 | Son | — | Illinois |
| 62 | Emil Goeze | 57 | Head | Tool Maker | Germany |
| 63 | Olga Goeze | 54 | Wife | — | Germany |
| 64 | Gustave C. Gustafson | 38 | Head | Electrician | Sweden |
| 65 | Esther Gustafson | 40 | Wife | — | Sweden |
| 66 | Roger Gustafson | 9 | Son | — | Illinois |
| 67 | Ruth Gustafson | 7 | Daughter | — | Illinois |
| 68 | Wilfred H. Ross | 48 | Head | Salesman | Canada |
| 69 | Alice S. Ross | 42 | Wife | — | Illinois |
| 70 | Adele Ross | 19 | Daughter | — | Illinois |
| 71 | Fred Ross THIS PERSON | 15 | Son | — | Illinois |
| 72 | Geraldine Ross | 14 | Daughter | — | Illinois |
| 73 | Wilfred Ross | 12 | Son | — | Illinois |
| 74 | Cora Ross | 11 | Daughter | — | Illinois |
| 75 | Valerie Ross | 8 | Daughter | — | Illinois |
| 76 | Louis Ross | 4 | Son | — | Illinois |
| 77 | Robert Hoff | 63 | Head | Plasterer | Illinois |
| 78 | Augusta Hoff | 62 | Wife | — | Illinois |
| 79 | Robert Hoff | 19 | Son | New Worker | Illinois |
Related Census Records
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)