JL
John Lowery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Lowery across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 6-person household.
Age 59
b. ~1881
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Lowery |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Grain Inspector |
| Industry | Board of Trade |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 4300 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Grain Inspector |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1881 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frank Lowery | Son | — | 24 | ~1916 |
| Mary Lowery | Spouse | — | 59 | ~1881 |
| John Lowery | Head | — | 59 | ~1881 |
| Marion Lowery | Daughter | — | 30 | ~1910 |
| Bernice Lowery | Daughter | — | 29 | ~1911 |
| Janet Lowery | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Head, age 49
Cook, Illinois · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lowery |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | New York |
| Mother's Birthplace | Canada English |
| Occupation | Lawyer |
| Industry | Law |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 59
Cook-County, Illinois · implied b. ~1881 — 6 household members
| Surname | Lowery |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Grain Inspector |
| Industry | Board of Trade |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 4300 |
| Highest Grade | No 8 |
| 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 John Lowery across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lowery
Head · 1940 · age 59 · b. ~1881 · Illinois
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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-t0627-00982-00734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jerome F. Brennan | 42 | Head | Rate Clerk | Illinois |
| 2 | Josephine Brennan | 39 | Wife | — | Illinois |
| 3 | Elmer Brennan | 19 | Son | — | Illinois |
| 4 | John Brennan | 52 | Brother | Freight Handler | Illinois |
| 5 | Charles E. Moloney | 50 | Head | Solicitor | Minnesota |
| 6 | Mary F. Moloney | 52 | Wife | — | Wisconsin |
| 7 | Emma Knuth | 81 | Mother | — | Wisconsin |
| 8 | Robert Steele | 44 | Head | Counter | Illinois |
| 9 | Natalie Steele | 40 | Wife | — | Illinois |
| 10 | Margaret Steele | 18 | Daughter | Stenographer | Illinois |
| 11 | Robert Jr. Steele | 16 | Son | — | Illinois |
| 12 | Raymond Steele | 14 | Son | — | Illinois |
| 13 | Lorraine Steele | 11 | Daughter | — | Illinois |
| 14 | Jack Steele | 7 | Son | — | Illinois |
| 15 | Eva Mclaughlin | 42 | Sister-in-law | Clerk | Illinois |
| 16 | Ella Tucker | 45 | Sister-in-law | — | Illinois |
| 17 | John M. Lowery THIS PERSON | 59 | Head | Grain Inspector | Illinois |
| 18 | Mary J. Lowery | 59 | Wife | — | Illinois |
| 19 | Marion Lowery | 30 | Daughter | Clerk | Illinois |
| 20 | Bernice Lowery | 29 | Daughter | Teacher | Illinois |
| 21 | Frank Lowery | 24 | Son | Grain Examiner | Illinois |
| 22 | Janet Lowery | 19 | Daughter | — | Illinois |
| 23 | Joe M. Collins | 44 | Head | Clerk | Illinois |
| 24 | Mary Collins | 76 | Mother | — | Eire |
| 25 | Lawrence F. Collins | 26 | Nephew | Inspector | Illinois |
| 26 | Rose Iovino | 55 | Head | — | Italy |
| 27 | Armand Iovino | 30 | Son | Hearing Officer | Illinois |
| 28 | Henry Iovino | 28 | Son | Postal Laborer | Illinois |
| 29 | Victor Iovino | 25 | Son | Bookkeeper | Illinois |
| 30 | Catherine Donohue | 65 | Head | — | Eire |
| 31 | Catherine Fox | 29 | Daughter | — | Illinois |
| 32 | Maurice Fox | 31 | Son-in-law | Sales Correspondent | Illinois |
| 33 | Ronald Fox | 0 | Grandson | — | Illinois |
| 34 | Joshua Beckman | 55 | Head | Butcher | New Jersey |
| 35 | Belinda Beckman | 57 | Wife | — | Delaware |
| 36 | Meyer Beckman | 26 | Son | Clerk | Illinois |
| 37 | Myra Beckman | 20 | Daughter | Stenographer | Illinois |
| 38 | Henry H. Crawford | 49 | Head | Post Office Clerk | Illinois |
| 39 | Rose Crawford | 28 | Wife | — | Illinois |
| 40 | Richard Crawford | 21 | Son | Clerk | Kentucky |
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)