JN
James Norris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Norris across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Norris |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Norris | Son | — | 15 | ~1925 |
| Kathleen Foley | Daughter | — | 15 | ~1925 |
| Jean Norris | Daughter | — | 16 | ~1924 |
| Herbert Adams | Head | — | 32 | ~1908 |
| Evelyn Adams | Spouse | — | 25 | ~1915 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Norris |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 5 household members
| Surname | Norris |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | H 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 Norris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Norris
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Jean Norris
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Foley
Sibling · 1940 · age 15
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
20 people indexed on this census page (nara:1940:m-t0627-00987-00834)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herbert Adams | 32 | Head | Sheet Metal | Illinois |
| 42 | Evelyn Adams | 25 | Wife | — | Illinois |
| 43 | Jean Norris | 16 | Daughter | — | Illinois |
| 44 | James Norris THIS PERSON | 15 | Son | — | Illinois |
| 45 | Kathleen Foley | 15 | Daughter | — | Illinois |
| 46 | Lorraine Kailer | 35 | Head | Dress Maker | Poland |
| 47 | Joseph Kailer | 15 | Son | — | Illinois |
| 48 | Irene Malesh | 22 | Sister | Assembler | Illinois |
| 49 | Theodore Malesh | 29 | Brother | Telephone Maker | Illinois |
| 50 | Stephanie Malesh | 53 | Mother | — | Poland |
| 51 | William A. Gott | 37 | Lodger | Telegrapher | Arkansas |
| 52 | Merle Martisena | 16 | Daughter | — | Illinois |
| 53 | Israel Lipman | 59 | Head | Salesman | Minnesota |
| 54 | Rose Lipman | 52 | Wife | — | Illinois |
| 55 | Annie Remer | 74 | Mother in law | — | Austria |
| 56 | Le Roy Zwicka | 29 | Head | Smoke Inspector | Illinois |
| 57 | Ethel Zwicka | 26 | Wife | Typist | Illinois |
| 58 | Mary Blair | 45 | Head | Clerk | Illinois |
| 59 | Joseph Blair | 45 | Brother | Laborer | Illinois |
| 60 | Catherine Blair | 43 | Sister | Clerk | 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)