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John Scanlon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Scanlon across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 4-person household.
Age 73
b. ~1867
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Scanlon |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1867 |
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 |
|---|---|---|---|---|
| William Austin | Other | — | 36 | ~1904 |
| John Scanlon | Head | — | 73 | ~1867 |
| Alice Austin | Daughter | — | 35 | ~1905 |
| Beatrice Scanlon | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Cook, Illinois
Other, age 49
Cook, Illinois · implied b. ~1871 — 36 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Car yards |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 61
Cook, Illinois · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlan |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Foreman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 90 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 73
Cook-County, Illinois · implied b. ~1867 — 4 household members
| Surname | Scanlon |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Scanlon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Scanlon
Head · 1940 · age 73 · b. ~1867 · 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-t0627-00958-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Scanlon THIS PERSON | 73 | Head | — | Ireland |
| 2 | Beatrice Scanlon | 69 | Wife | — | Canada English |
| 3 | William Austin | 36 | Son in law | Manager | Illinois |
| 4 | Alice Austin | 35 | Daughter | Clerk | Illinois |
| 5 | Robert Lynch | 49 | Head | Clerk | Wisconsin |
| 6 | Gladys Lynch | 41 | Wife | Secretary | Illinois |
| 7 | C. W. Mussenhauer | 68 | Head | Janitor | Germany |
| 8 | Minnie Mussenhauer | 63 | Wife | — | Indiana |
| 9 | Valentine Hargesheimer | 53 | Head | Baker | Austria |
| 10 | Hulda Hargesheimer | 48 | Wife | — | Germany |
| 11 | John Claffey | 68 | Head | Post-Office Clerk | Illinois |
| 12 | Margaret Claffey | 62 | Wife | — | Illinois |
| 13 | Margaret Claffey | 21 | Daughter | Secretary | Illinois |
| 14 | Thomas Mccarthy | 44 | Head | Lawyer | Ireland |
| 15 | Jerry Mccarthy | 40 | Son | Druggist Asst | Illinois |
| 16 | Ellen A. Mccarthy | 30 | Daughter | Teacher Primary | Illinois |
| 17 | Mary E. Mccarthy | 28 | Daughter | Teacher | Illinois |
| 18 | Will J. Mccarthy | 28 | Son | Attorney | Illinois |
| 19 | Charles Braun | 51 | Head | Superintendent | Illinois |
| 20 | Marie A. Braun | 51 | Wife | — | Illinois |
| 21 | Eleanor Braun | 23 | Daughter | — | Illinois |
| 22 | Charles J. Braun | 10 | Son | — | Illinois |
| 23 | Shirley Braun | 9 | Daughter | — | Illinois |
| 24 | Wilhelmina Braun | 47 | Sister | Sales Lady | Illinois |
| 25 | David A. Burke | 54 | Head | Sales Man | Illinois |
| 26 | Edna Burke | 47 | Wife | — | Michigan |
| 27 | William Burke | 24 | Son | Shipping Clerk | Illinois |
| 28 | David N. Burke | 19 | Son | Typist | Illinois |
| 29 | Elizabeth Burke | 16 | Daughter | — | Illinois |
| 30 | Mary Burke | 13 | Daughter | — | Illinois |
| 31 | Virginia Burke | 12 | Daughter | — | Illinois |
| 32 | John Burke | 11 | Son | — | Illinois |
| 33 | Catherine Burke | 7 | Daughter | — | Illinois |
| 34 | John Burke | 92 | Father | — | New York |
| 35 | Gustaf R. Ohlson | 46 | Head | Janitor | Illinois |
| 36 | Ellen C. Ohlson | 45 | Wife | — | Illinois |
| 37 | Paul H. Ohlson | 11 | Son | — | Illinois |
| 38 | Glenn H. Ohlson | 9 | Son | — | Illinois |
| 39 | Andrew P. Ohlson | 83 | Father | — | Sweden |
| 40 | James R. Hoskins | 65 | Head | Civil Engineer | Indiana |
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)