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James Daley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Daley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Daley |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | road builder |
| Industry | C. C. C. |
| Class of Worker | GW |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Road Builder |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| John Daley | Son | — | 19 | ~1921 |
| James Daley | Son | — | 21 | ~1919 |
| Robert Daley | Son | — | 16 | ~1924 |
| Catherine Daley | Spouse | — | 51 | ~1889 |
| James Daley | Head | — | 55 | ~1885 |
| William Daley | Son | — | 10 | ~1930 |
Census Appearances
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daley |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Daley |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | road builder |
| Industry | C. C. C. |
| Class of Worker | GW |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 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 Daley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Daley
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Robert Daley
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Daley
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Daley
Sibling · 1940 · age 10
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
37 people indexed on this census page (nara:1940:m-t0627-00942-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irving Mori | 29 | Lodger | Coal | Coal Heaver | Kansas |
| 42 | Dennis Kufe | Rufe | 42 | Head | Clerk | Illinois |
| 43 | Frances Kufe | Rufe | 37 | Wife | — | Ohio |
| 44 | Dennis Jr Kufe | Rufe | 2 | Son | — | Illinois |
| 45 | Cornelius Kufe | Rufe | 56 | Brother | — | Ohio |
| 46 | Henry Burke | 41 | Head | 1St Helper Open Hearth | Indiana |
| 47 | Mary Burke | 41 | Wife | — | Illinois |
| 48 | Robert Burke | 16 | Son | — | Illinois |
| 49 | Marceline Burke | 15 | Daughter | — | Illinois |
| 50 | Thomas Burke | 70 | Father | — | New York |
| 51 | Florence Zart | 39 | Head | Custom Finisher | Illinois |
| 52 | Lois Zart | 10 | Daughter | — | Illinois |
| 53 | James Hahan | Mahan | 74 | Head | — | England |
| 54 | Conner Anna Hahan | Mahan | 40 | Daughter | — | Illinois |
| 55 | Leo Hahan | Mahan | 39 | Son | Salesman | Penn |
| 56 | Andrew Martin | 58 | Head | Fireman | Austria |
| 57 | Mary Martin | 52 | Wife | — | Austria |
| 58 | Pete Martin | 17 | Son | — | Illinois |
| 59 | Ernest Koch | 73 | Head | — | Penn |
| 60 | Catherine Koch | 68 | Wife | — | Germany |
| 61 | Edna Mauch | 40 | Daughter | Switchboard Operator | New York |
| 62 | Robert Koch | 36 | Son | Repairman | Illinois |
| 63 | Dorothy Koch | 24 | Daughter | — | Illinois |
| 64 | James Daley | 55 | Head | Police Man | Eire |
| 65 | Catherine Daley | 51 | Wife | — | Eire |
| 66 | James Jr. Daley THIS PERSON | 21 | Son | Road Builder | Illinois |
| 67 | John Daley | 19 | Son | Road Builder | Illinois |
| 68 | Robert Daley | 16 | Son | — | Illinois |
| 69 | William Daley | 10 | Son | — | Illinois |
| 70 | John Pallanti | 50 | Head | Labor | Italy |
| 71 | Mary Pallanti | 45 | Wife | — | Italy |
| 72 | Fred Pallanti | 25 | Son | Mason Helper | Illinois |
| 73 | William Pallanti | 22 | Son | Labor | Illinois |
| 74 | Armand Pallanti | 20 | Son | Relinking Machine | Illinois |
| 75 | Ester Pallanti | 18 | Daughter | Cotton | Illinois |
| 76 | Rose Pallanti | 15 | Daughter | — | Illinois |
| 77 | Rudolph Pallanti | 13 | Son | — | 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)