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James Roach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Roach across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Roach |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Oak Park |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Publishing |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 278 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Salesman |
| Township / Ward | Oak Park |
| Est. Birth Year | ~1905 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Roach | Spouse | — | 34 | ~1906 |
| James Roach | Head | — | 35 | ~1905 |
| Elizabeth Roach | Daughter | — | 3 | ~1937 |
| James Roach | Son | — | 4 | ~1936 |
| Mary Roach | Daughter | — | 8 | ~1932 |
| Margaret Roach | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Cook, Illinois
Head, age 25
Cook, Illinois · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Bonds |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 75 |
| Radio Set | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Cook-County, Illinois
Head, age 35
Cook-County, Illinois · implied b. ~1905 — 6 household members
| Surname | Roach |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Oak Park |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Publishing |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 278 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Roach
Head · 1940 · age 35 · b. ~1905 · 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-t0627-00785-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas B Nicholson | 62 | Head | Sales Agent | Illinois |
| 2 | Gertrude Nicholson | 60 | Wife | — | Illinois |
| 3 | — | None | — | — | — |
| 4 | — | None | — | — | — |
| 5 | — | None | — | — | — |
| 6 | Harry L Larson | 46 | Head | Mechanic | Illinois |
| 7 | Eunice Larson | 47 | Wife | — | Holland |
| 8 | Gloria Larson | 15 | Daughter | — | Illinois |
| 9 | Anna Vandermeulen | 73 | Mother-in-law | — | Holland |
| 10 | Emma Krueger | 64 | Head | — | Illinois |
| 11 | Margaret Krueger | 34 | Daughter | Stenographer | Illinois |
| 12 | Blanche Hutson | 44 | Sister | Snapshots | Illinois |
| 13 | Philip Herbutt | 41 | Lodger | Salesman | Wisconsin |
| 14 | George Smith | 59 | Head | Fireman | Ohio |
| 15 | Julia Smith | 52 | Wife | — | Illinois |
| 16 | Arthur Kraves | 36 | Head | Lawyer | Illinois |
| 17 | Alice Kraves | 30 | Wife | — | Illinois |
| 18 | Jane Kraves | 3 | Daughter | — | Illinois |
| 19 | Marjorie Kraves | 1 | Daughter | — | Illinois |
| 20 | Clarence Kraves | 66 | Father | Clerk Sales | Wisconsin |
| 21 | Margaret Balas | 18 | Maid | Maid | Wisconsin |
| 22 | Cleon Arnold | 46 | Head | Executive | Ohio |
| 23 | Rhea Arnold | 46 | Wife | — | Ohio |
| 24 | Cleon Jr Arnold | 19 | Son | — | Ohio |
| 25 | Doris Arnold | 15 | Daughter | — | Ohio |
| 26 | Charles Worley | 25 | Head | Field Manager | Lombard, Ill |
| 27 | Genevieve Worley | 29 | Wife | — | Penn. |
| 28 | Thomas Pearson | 60 | Head | Broker | Wisconsin |
| 29 | Jessie Pearson | 48 | Wife | — | Illinois |
| 30 | Jessie Lerompton | 21 | Daughter | Typist | Illinois |
| 31 | James Roach THIS PERSON | 35 | Head | Salesman | Colorado |
| 32 | Mary Roach | 34 | Wife | Teacher | Illinois |
| 33 | Mary L Roach | 8 | Daughter | — | Illinois |
| 34 | Margaret Roach | 5 | Daughter | — | Illinois |
| 35 | Elizabeth Roach | 3 | Daughter | — | Illinois |
| 36 | James Roach | 4 | Son | — | Illinois |
| 37 | Arthur Powell | 38 | Head | Janitor | Wales |
| 38 | Ethel Powell | 23 | Wife | — | Illinois |
| 39 | Barbara Powell | 2 | Daughter | — | Illinois |
| 40 | John Powers | 38 | Head | Customer Service Supervisor | 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)