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.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Madden |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 20 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1922 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marie Madden | Spouse | — | 49 | ~1891 |
| Jane Madden | Head | — | 51 | ~1889 |
| Joan Madden | Daughter | — | 11 | ~1929 |
| Mary Madden | Daughter | — | 15 | ~1925 |
| Catherine Madden | Daughter | — | 23 | ~1917 |
| Margaret Madden | Daughter | — | 24 | ~1916 |
| James Madden | Son | — | 18 | ~1922 |
| Elizabeth Madden | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Son, age 6
Cook, Illinois · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 18
Cook-County, Illinois · implied b. ~1922 — 8 household members
| Surname | Madden |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | No 20 |
| 1935 Residence | Same House |
| 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 18 · b. ~1922 · Illinois
★ You are viewing this record
Sibling
Joan Madden
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Madden
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Madden
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Madden
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Madden
Sibling · 1940 · age 24
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-t0627-01015-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia H Curren | 53 | Wife | — | Illinois |
| 2 | Ella Smith | 74 | Head | — | Ohio |
| 3 | Harry L Hoskins | 53 | Son in law | Manager Opt | Ohio |
| 4 | Mayme Hoskins | 50 | Daughter | — | Ohio |
| 5 | Thomas Curren | 52 | Head | Cashier | New York |
| 6 | Audrey Curren | 46 | Wife | — | Illinois |
| 7 | John Quinn | 52 | Brother | V. Pres | Illinois |
| 8 | Margaret Curren | 11 | Daughter | — | Illinois |
| 9 | Audrey Curren | 9 | Daughter | — | Illinois |
| 10 | Georgiana Curren | 7 | Daughter | — | Illinois |
| 11 | Thomas Curren | 4 | Son | — | Illinois |
| 12 | Elizabeth Gustafson | 57 | Head | — | Sweden |
| 13 | John Gustafson | 27 | Son | Clerk | Illinois |
| 14 | George Farquharson | 63 | Lodger | Photographer | Scotland |
| 15 | E Mable | 51 | Head | — | Illinois |
| 16 | Clara Mable | 51 | Wife | — | Illinois |
| 17 | William Mable | 51 | Son | — | Illinois |
| 18 | Robert Mable | 51 | Son | — | Illinois |
| 19 | Marilyn Mable | 51 | Daughter | — | Illinois |
| 20 | Shirley Mable | 51 | Daughter | — | Illinois |
| 21 | Jane E Madden | 51 | Head | Typist | Illinois |
| 22 | Marie E Madden | 49 | Wife | — | Illinois |
| 23 | Margaret M Madden | 24 | Daughter | Stenographer | Illinois |
| 24 | Catherine Madden | 23 | Daughter | Accountant | Illinois |
| 25 | Elizabeth Ann Madden | 19 | Daughter | Operator | Illinois |
| 26 | James E Madden THIS PERSON | 18 | Son | — | Illinois |
| 27 | Mary Therese Madden | 15 | Daughter | — | Illinois |
| 28 | Joan Marie Madden | 11 | Daughter | — | Illinois |
| 29 | Delos E Palmer | 69 | Head | — | Pennsylvania |
| 30 | Anna E Palmer | 71 | Wife | — | Iowa |
| 31 | Sofia Marlett | 71 | Head | — | W. Virginia |
| 32 | Anna Bahl | 71 | Head | — | Germany |
| 33 | Gladys Blair | 24 | Head | Delivery Boy | Michigan |
| 34 | Harry Blair | 24 | Husband | Delivery Boy | Illinois |
| 35 | Catherine Brown | 52 | Head | — | New York |
| 36 | Alvar Abrahamson | 35 | Head | Wood Finisher | Sweden |
| 37 | Amy Abrahamson | 35 | Wife | — | Sweden |
| 38 | Janet Abrahamson | 2 | Daughter | — | Illinois |
| 39 | Harold Hansen | 27 | Head | Assistant Manager | Illinois |
| 40 | Aleda Hansen | 27 | Wife | — | 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)