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John Madden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this John Madden across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 14-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Madden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Dental Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Delivery Boy |
| Township / Ward | Toledo |
| 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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Madden | Son | — | 25 | ~1915 |
| Marian Madden | Daughter | — | 3 | ~1937 |
| Harry Madden | Son | — | 20 | ~1920 |
| Thomas Madden | Son | — | 11 | ~1929 |
| Emma Madden | Other | — | 20 | ~1920 |
| Robert Madden | Son | — | 17 | ~1923 |
| John Madden | Head | — | 53 | ~1887 |
| Virginia Madden | Daughter | — | 7 | ~1933 |
| Bessie Madden | Spouse | — | 42 | ~1898 |
| Paul Madden | Son | — | 5 | ~1935 |
| Elizabeth Madden | Other | — | 18 | ~1922 |
| John Madden | Son | — | 21 | ~1919 |
| Maureen Madden | Daughter | — | 13 | ~1927 |
| James Madden | Son | — | 16 | ~1924 |
Census Appearances
1930
Lucas, Ohio
Son, age 12
Lucas, Ohio · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Son, age 21
Lucas-County, Ohio · implied b. ~1919 — 14 household members
| Surname | Madden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Delivery Boy |
| Industry | Dental Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Madden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Madden
Son · 1940 · age 21 · b. ~1919 · Ohio
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Sibling
Harry Madden
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maureen Madden
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Madden
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Madden
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Madden
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Madden
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Madden
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Madden
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Madden
Sibling · 1940 · age 7
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03259-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Mary F O'Neill | 63 | Head | — | Ohio |
| 3 | Julia Inman | 35 | Lodger | — | Ohio |
| 4 | Morris L Cohen | 38 | Head | Salesman | Russia |
| 5 | Fanny S Cohen | 35 | Wife | — | Penna |
| 6 | Edwin Cohen | 9 | Son | — | Penna |
| 7 | Sally Cohen | 6 | Daughter | — | Penna |
| 8 | Mark Scheinbach | 45 | Head | Salesman | Austria |
| 9 | Anna Scheinbach | 39 | Wife | — | Russia |
| 10 | Ruth Scheinbach | 19 | Daughter | Bookkeeper | Ohio |
| 11 | Irving Scheinbach | 17 | Son | — | Ohio |
| 12 | Gertrude Scheinbach | 32 | Sister | Coil-Taper | Austria |
| 13 | Julius Steinberg | 65 | Head | Bookkeeper | Michigan |
| 14 | Sara Steinberg | 52 | Wife | — | Russia |
| 15 | Morton Steinberg | 26 | Son | Salesman | Ohio |
| 16 | Evelyn Steinberg | 21 | Daughter | Bookkeeper | Ohio |
| 17 | Raymond Steinberg | 19 | Son | Librarian | Ohio |
| 18 | Donald Steinberg | 17 | Son | — | Ohio |
| 19 | John H Madden | 53 | Head | News Salesman | Penna |
| 20 | Bessie Madden | 42 | Wife | — | Ohio |
| 21 | Harry Madden | 20 | Son | Delivery Boy | Ohio |
| 22 | Robert Madden | 17 | Son | Delivery Boy | Ohio |
| 23 | James Madden | 16 | Son | — | Ohio |
| 24 | Maureen Madden | 13 | Daughter | — | Ohio |
| 25 | Thomas Madden | 11 | Son | — | Ohio |
| 26 | Virginia Madden | 7 | Daughter | — | Ohio |
| 27 | Paul Madden | 5 | Son | — | Ohio |
| 28 | Marian Madden | 3 | Daughter | — | Ohio |
| 29 | William Madden | 25 | Son | Laborer | Ohio |
| 30 | Emma Madden | 20 | Daughter-in-law | — | Maryland |
| 31 | John Madden THIS PERSON | 21 | Son | Delivery Boy | Ohio |
| 32 | Elizabeth Madden | 18 | Daughter-in-law | — | Ohio |
| 33 | Henry Faust | 61 | Head | Costumier | Bohemia |
| 34 | Mary Faust | 70 | Wife | — | Indiana |
| 35 | Isadore Blumberg | 31 | Head | Clerk | Ohio |
| 36 | Rosalind Blumberg | 25 | Wife | — | Ohio |
| 37 | Allan L Blumberg | 2 | Son | — | Ohio |
| 38 | Jean C Tatkowski | 17 | Servant | Housework | Ohio |
| 39 | Henry Salzman | 48 | Head | Shoe Robber|Shoe Cobbler | Poland |
| 40 | Dorothy Salzman | 18 | Daughter | Saleslady | Ohio |
Related Census Records
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)