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James Elliott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Elliott across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Elliott |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Madelyn Elliott | Daughter | — | 11 | ~1929 |
| Jean Elliott | Daughter | — | 17 | ~1923 |
| Mary Elliott | Daughter | — | 15 | ~1925 |
| William Elliott | Head | — | 44 | ~1896 |
| Florence Reed | Other | — | 60 | ~1880 |
| William Elliott | Son | — | 21 | ~1919 |
| James Elliott | Son | — | 19 | ~1921 |
| Edward Elliott | Son | — | 14 | ~1926 |
| John Elliott | Son | — | 12 | ~1928 |
| Florence Elliott | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Elliott |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 19
Cook-County, Illinois · implied b. ~1921 — 10 household members
| Surname | Elliott |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | C 2 |
| 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 James Elliott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Elliott
Son · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
William Elliott
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Elliott
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madelyn Elliott
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Elliott
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Elliott
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Elliott
Sibling · 1940 · age 14
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-t0627-00960-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michel Murray | 50 | Head | Executive | Illinois |
| 42 | Frances Murray | 38 | Wife | — | Ohio |
| 43 | Robert Murray | 21 | Son | Traffic Clerk | Illinois |
| 44 | Donald Murray | 17 | Son | — | Illinois |
| 45 | Michel Murray | 10 | Son | — | Illinois |
| 46 | Gerald Murray | 9 | Son | — | Illinois |
| 47 | Marilyn Ann Murray | 6 | Daughter | — | Illinois |
| 48 | Barbara Murray | 5 | Daughter | — | Illinois |
| 49 | Isabelle Hieke | 18 | Servant | Maid | Wisconsin |
| 50 | Charles Nicholson | 52 | Head | Executive | Pennsylvania |
| 51 | Flora Nicholson | 50 | Wife | — | Pennsylvania |
| 52 | Walter Nicholson | 20 | Son | — | Pennsylvania |
| 53 | Joanne Nicholson | 16 | Daughter | — | Pennsylvania |
| 54 | Capt. L. H. Connell | 50 | Lodger | — | Illinois |
| 55 | Beverly Hills Rest Home | None | — | — | — |
| 56 | Arthur D. Heffron | 79 | Head | — | New York |
| 57 | Helena Heffron | 46 | Wife | — | Eng Canada |
| 58 | Jeannette Heffron | 23 | Daughter | — | Illinois |
| 59 | Alice Myers | 34 | Nurse | Nurse Grad | Illinois |
| 60 | Gillette De Crispigny | 56 | Nurse | Nurse | Switzerland |
| 61 | Lloyd Blackman | 48 | Head | Doctor | Wisconsin |
| 62 | Louise Blackman | 47 | Wife | Secretary | Illinois |
| 63 | Lloyd Blackman | 19 | Son | — | Illinois |
| 64 | Allen Blackman | 16 | Son | — | Illinois |
| 65 | Walter Peterson | 21 | Lodger | — | Illinois |
| 66 | William Elliott | 44 | Head | Salesman | Illinois |
| 67 | Florence Elliott | 44 | Wife | — | Illinois |
| 68 | William Jr. Elliott | 21 | Son | — | Illinois |
| 69 | James Elliott THIS PERSON | 19 | Son | — | Illinois |
| 70 | Jean Elliott | 17 | Daughter | — | Illinois |
| 71 | Mary Elliott | 15 | Daughter | — | Illinois |
| 72 | Edward Elliott | 14 | Son | — | Illinois |
| 73 | John Raymond Elliott | 12 | Son | — | Illinois |
| 74 | Madelyn Elliott | 11 | Daughter | — | Illinois |
| 75 | Florence Reed | 60 | Aunt | — | Illinois |
| 76 | Honora B. Norton | 56 | Head | — | Minnesota |
| 77 | Mary Jane Norton | 22 | Daughter | — | Illinois |
| 78 | John R. Norton | 15 | Son | — | Illinois |
| 79 | Albert Peters | 43 | Head | Doctor | Illinois |
| 80 | Evelyn Peters | 41 | Wife | — | Illinois |
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)