JD
John Daly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Daly across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Margaret — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | City Fireman |
| Industry | City fire Dept |
| Class of Worker | GW |
| Hours Worked | 72 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | City Fireman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Daly | Daughter | — | 3 | ~1937 |
| John Daly | Head | — | 32 | ~1908 |
| John Daly | Son | — | 2 | ~1938 |
| Mary Daly | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Elevator Man |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 32
Cook-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | City Fireman |
| Industry | City fire Dept |
| Class of Worker | GW |
| Hours Worked | 72 |
| Income (1939) | 600 |
| Highest Grade | Hs 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 John Daly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Daly (~0.92 confidence) and mother Margaret Daly (~0.92 confidence) and mother Catherine Daly (~0.92 confidence) and father John Daly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Daly
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Margaret Daly
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Catherine Daly
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
John Daly
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Daly
Head · 1940 · age 32 · b. ~1908 · Illinois
★ You are viewing this record
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-t0627-00949-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Dodge | 39 | Wife | H | Illinois |
| 2 | Edward Dodge | 13 | Son | — | Illinois |
| 3 | William Dodge | 11 | Son | — | Illinois |
| 4 | James Dodge | 9 | Son | — | Illinois |
| 5 | Mary Ann Dodge | 5 | Daughter | — | Illinois |
| 6 | Harold Watts | 49 | Head | Laborer | New York |
| 7 | Sophie Watts | 44 | Wife | H | Illinois |
| 8 | Irene Watts | 18 | Daughter | Packer | Illinois |
| 9 | Richard Watts | 13 | Son | — | Illinois |
| 10 | Betty Lou Watts | 6 | Daughter | — | Illinois |
| 11 | Samuel Negrelli | 60 | Head | Truck Laborer | Italy |
| 12 | Mary Negrelli | 57 | Wife | H | Italy |
| 13 | Nicholas Negrelli | 31 | Son | Dishwasher | Illinois |
| 14 | Anne Negrelli | 29 | Daughter | Packer (Candy) | Illinois |
| 15 | Josephine Negrelli | 25 | Daughter | Garment Maker | Illinois |
| 16 | Joseph Negrelli | 24 | Son | Laborer | Illinois |
| 17 | Rose Negrelli | 20 | Daughter | Garment Maker | Illinois |
| 18 | Mary Negrelli | 16 | Daughter | S | Illinois |
| 19 | Samuel Jr. Negrelli | 14 | Son | S | Illinois |
| 20 | Frank Buer | 32 | Head | Factory Laborer | Illinois |
| 21 | Agnes Buer | 30 | Wife | Stenographer | Illinois |
| 22 | Joseph Gogola | 62 | Head | Janitor | Austria |
| 23 | Helen Gogola | 52 | Wife | H | Austria |
| 24 | Wanda Gogola | 28 | Daughter | Librarian | Illinois |
| 25 | Belle Gogola | 21 | Daughter | Cashier | Illinois |
| 26 | Walter Jankowski | 42 | Head | Cook-Ham Curing | Illinois |
| 27 | Josephine Jankowski | 33 | Wife | Binder | Illinois |
| 28 | Mary Anna Jankowski | 9 | Daughter | — | Illinois |
| 29 | Joseph Jankowski | 7 | Son | — | Illinois |
| 30 | Edward Jankowski | 5 | Son | — | Illinois |
| 31 | Edward Dryjanski | 29 | Lodger | Armature Winder | Illinois |
| 32 | Roman Wlarek | 17 | Boarder | S | Illinois |
| 33 | George Nielson | 71 | Head | H | Germany |
| 34 | Katherine Nielson | 72 | Wife | H | Germany |
| 35 | John Daly THIS PERSON | 32 | Head | City Fireman | Illinois |
| 36 | Mary Daly | 30 | Wife | H | Illinois |
| 37 | Mary C. Daly | 3 | Daughter | — | Illinois |
| 38 | John Jr. Daly | 2 | Son | — | Illinois |
| 39 | Catherine Daly | 68 | Head | H | Eire Ireland |
| 40 | Eugene Daly | 35 | Son | Typist | Illinois |
Related Census Records
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)