JD
John Daley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Daley across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 8-person household.
Age 25
b. ~1905
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Daley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Conductor |
| Industry | Street Cars |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Conductor |
| Township / Ward | Chicago |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Daley | Daughter | — | 20 | ~1910 |
| John Daley | Son | — | 25 | ~1905 |
| Catherine Daley | Other | — | 45 | ~1885 |
| Francis Daley | Son | — | 11 | ~1919 |
| Andrew Daley | Head | — | 48 | ~1882 |
| Eleanor Daley | Daughter | — | 18 | ~1912 |
| Patrick Daley | Son | — | 23 | ~1907 |
| Marion Daley | Daughter | — | 14 | ~1916 |
Census Appearances
1930
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1905 — 8 household members
| Surname | Daley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Conductor |
| Industry | Street Cars |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 35
Cook-County, Illinois · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Packer |
| Industry | Packing House |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1100 |
| Highest Grade | No 7 |
| 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 John Daley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Daley
Son · 1930 · age 25 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Francis Daley
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Daley
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Daley
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Daley
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Daley
Sibling · 1930 · 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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
40 people indexed on this census page (ia:1930:illinoiscensus00reel434:0477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Kleinmark | 34 | Head | Foreman | Illinois |
| 52 | Elizabeth Kleinmark | 29 | Wife-H | — | Michigan |
| 53 | Elizabeth Kleinmark | 9 | Daughter | — | Illinois |
| 54 | Ruth Kleinmark | 6 | Daughter | — | Illinois |
| 55 | William Kleinmark | 5 | Son | — | Illinois |
| 56 | Violet Kleinmark | 3 | Daughter | — | Illinois |
| 57 | James Kleinmark | 2 | Son | — | Illinois |
| 58 | Alice Kleinmark | 0 | Daughter | — | Illinois |
| 59 | Louis Goldwelt | 48 | Roomer | Laborer | Germany |
| 60 | Charles Harder | 43 | Head | Order Filler | Indiana |
| 61 | Minnie Harder | 42 | Wife-H | — | Indiana |
| 62 | Iona Harder | 10 | Daughter | — | Indiana |
| 63 | Herbert Harder | 8 | Son | — | Indiana |
| 64 | Charles Harder | 5 | Son | — | Indiana |
| 65 | Betty Harder | 2 | Daughter | — | Indiana |
| 66 | Frank Kamien | 55 | Head | — | Poland |
| 67 | Sophie Kamien | 40 | Wife-H | — | Poland |
| 68 | Bruno Kamien | 20 | Son | Laborer | Illinois |
| 69 | Eleanor Kamien | 17 | Daughter | — | Illinois |
| 70 | Joseph Kamien | 15 | Son | — | Illinois |
| 71 | Edward Kamien | 13 | Son | — | Illinois |
| 72 | Frank Kamien | 9 | Son | — | Illinois |
| 73 | Margaret Moore | 55 | Head-H | — | Irish Free State |
| 74 | John Moore | 32 | Son | Mechanic | Irish Free State |
| 75 | Anna Moore | 24 | Daughter-in-law | Stenographer | Illinois |
| 76 | Robert Moore | 19 | Son | — | Illinois |
| 77 | Joseph Czaska | 42 | Head | Laborer | Poland |
| 78 | Anna Czaska | 39 | Wife-H | — | Poland |
| 79 | Joseph Czaska | 12 | Son | — | Illinois |
| 80 | Verna Czaska | 10 | Daughter | — | Illinois |
| 81 | Sophie Czaska | 6 | Daughter | — | Illinois |
| 82 | Bruno Czaska | 3 | Son | — | Illinois |
| 83 | Andrew Daley | 48 | Head | Laborer | Irish Free State |
| 84 | Catherine Daley | 45 | Wife-H | — | Irish Free State |
| 85 | John Daley THIS PERSON | 25 | Son | Conductor | Illinois |
| 86 | Patrick Daley | 23 | Son | Clerk | Illinois |
| 87 | Catherine Daley | 20 | Daughter | Clerk | Illinois |
| 88 | Eleanor Daley | 18 | Daughter | — | Illinois |
| 89 | Marion Daley | 14 | Daughter | — | Illinois |
| 90 | Francis Daley | 11 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)