JM
James Madden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Madden across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 15-person household.
Age 20
b. ~1920
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Installator |
| Industry | Bell Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Installator |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1920 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Czosek | Son | — | 21 | ~1919 |
| Walter Czosek | Spouse | — | 60 | ~1880 |
| Frances Czosek | Spouse | — | 58 | ~1882 |
| Jacob Werner | Spouse | — | 52 | ~1888 |
| Raymond Madden | Son | — | 28 | ~1912 |
| Medard Czosek | Son | — | 28 | ~1912 |
| Emma Werner | Spouse | — | 55 | ~1885 |
| James Madden | Son | — | 20 | ~1920 |
| Harvey Madden | Head | — | 52 | ~1888 |
| Helen Madden | Daughter | — | 23 | ~1917 |
| Jacob Werner | Son | — | 28 | ~1912 |
| Lillian Madden | Spouse | — | 47 | ~1893 |
| Annie Werner | Daughter | — | 25 | ~1915 |
| Vivian Czosek | Daughter | — | 18 | ~1922 |
| Geraldine Czosek | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 20
Cook-County, Illinois · implied b. ~1920 — 15 household members
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Installator |
| Industry | Bell Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| 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 James Madden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Madden
Son · 1940 · age 20 · b. ~1920 · Illinois
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Sibling
Raymond Madden
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Werner
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Madden
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Medard Czosek
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Werner
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Czosek
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Czosek
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Czosek
Sibling · 1940 · age 18
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
40 people indexed on this census page (nara:1940:m-t0627-01000-00872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eurie Browning | 38 | Head | Attendant | Mississippi |
| 2 | Nennie Browning | 38 | Wife | — | Illinois |
| 3 | Paul Padoy | 55 | Head | Chauffeur | Illinois |
| 4 | Hattie Padoy | 49 | Wife | — | Illinois |
| 5 | Paul Jr Padoy | 11 | Son | — | Illinois |
| 6 | Martha Addy | 33 | Daughter | Packer | Illinois |
| 7 | Jacklyn Addy | 1 | Granddaughter | — | Illinois |
| 8 | Linnette Rlau | 80 | Mother | — | Germany |
| 9 | Adolph Wagner | 50 | Lodger | Watchman | Illinois |
| 10 | Paul Sr Petersen | 67 | Head | Carpenter | Denmark |
| 11 | Marie Petersen | 62 | Wife | — | Denmark |
| 12 | Elenore Petersen | 30 | Daughter | Stenographer | Illinois |
| 13 | Edward Petersen | 16 | Son | — | Illinois |
| 14 | Hedwig Lundberg | 74 | Wife | — | Sweden |
| 15 | Lillie Severcen | 47 | Daughter | — | Illinois |
| 16 | Arthur Severcen | 47 | Son in law | Laborer | Illinois |
| 17 | Andrew Partyka | 64 | Husband | Plumber | Poland |
| 18 | Mary Partyka | 63 | Wife | — | Poland |
| 19 | Louis D Krool | 21 | Husband | Sponger | Illinois |
| 20 | Angelina Krool | 26 | Wife | — | Poland |
| 21 | Carol-Ann Krool | 0 | Infant | — | Illinois |
| 22 | Harvey Madden | 52 | Head | Freight Conductor | Illinois |
| 23 | Lillian Madden | 47 | Wife | — | Illinois |
| 24 | Raymond Madden | 28 | Son | Time Keeper | Illinois |
| 25 | Helen Madden | 23 | Daughter | Looping | Illinois |
| 26 | James Madden THIS PERSON | 20 | Son | Installator | Illinois |
| 27 | Jacob Werner | 52 | Husband | Labor | Russia |
| 28 | Emma Werner | 55 | Wife | — | Germany |
| 29 | Jacob Jr Werner | 28 | Son | Office Clerk | Illinois |
| 30 | Annie Werner | 25 | Daughter | Waitress | Illinois |
| 31 | Walter J Czosek | 60 | Husband | Salesman | Poland |
| 32 | Frances Czosek | 58 | Wife | — | Poland |
| 33 | Medard Czosek | 28 | Son | General Work | Illinois |
| 34 | Gilbert Czosek | 21 | Son | Meat Packing | Illinois |
| 35 | Vivian Czosek | 18 | Daughter | Saleslady | Illinois |
| 36 | Geraldine Czosek | 16 | Daughter | — | Illinois |
| 37 | James A Davis | 46 | Head | Dealer | Illinois |
| 38 | Marion Davis | 38 | Wife | — | Poland |
| 39 | James W Davis | 18 | Son | — | Illinois |
| 40 | Richard Davis | 17 | 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)