MS
Michael Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Michael Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Male
Head
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Wholesale Plumbing |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 988 |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1880 |
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 Michael | Age | Birth yr |
|---|---|---|---|---|
| Michael Smith | Head | — | 60 | ~1880 |
| Helen Smith | Other | — | 27 | ~1913 |
| Victoria Smith | Spouse | — | 47 | ~1893 |
| John Smith | Son | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Head, age 38
Cook, Illinois · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mike |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Labor |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Alien |
| Year of Immigration | 1905 |
| Age at First Marriage | 27 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Laborer |
| Industry | Supply House |
| Class of Worker | W |
| Can Read/Write | No |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Cook-County, Illinois
Head, age 60
Cook-County, Illinois · implied b. ~1880 — 4 household members
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Wholesale Plumbing |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 988 |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Michael Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Michael Smith
Head · 1940 · age 60 · b. ~1880 · 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-t0627-00992-00663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Adelaine Rigby | 26 | Wife | Supervisor | Illinois |
| 42 | Beverly Rigby | 2 | Daughter | — | Illinois |
| 43 | Ingar Nelson | 53 | Head | Clerk | Norway |
| 44 | Gordon Nelson | 24 | Son | Clerk | Illinois |
| 45 | Ruth Nelson | 16 | Daughter | — | Illinois |
| 46 | John Sitnik | 47 | Head | Tailor | Russia |
| 47 | Mamie Sitnik | 35 | Wife | Machine Operat. | Illinois |
| 48 | Alice Sitnik | 14 | Daughter | — | Illinois |
| 49 | Dorothy Sitnik | 13 | Daughter | — | Illinois |
| 50 | Steven Toth | 39 | Head | Construction Machinist | Jugo-Slavia |
| 51 | Anna Toth | 30 | Wife | — | Illinois |
| 52 | Jerome Toth | 6 | Son | — | Illinois |
| 53 | Phyllis Toth | 1 | Daughter | — | Illinois |
| 54 | Theresa Toth | 60 | Mother | — | Jugo-Slavia |
| 55 | Charles Moggee | 47 | Head | Bookkeeper | Illinois |
| 56 | Martha Moggee | 44 | Wife | — | Illinois |
| 57 | Elaine Moggee | 16 | Daughter | — | Illinois |
| 58 | Kenneth Moggee | 11 | Son | — | Illinois |
| 59 | Mildred Geller | 42 | Head | Stenographer | Illinois |
| 60 | Elaine Geller | 12 | Daughter | — | Illinois |
| 61 | Thomas Soem | 36 | Head | Senior Clerk | Illinois |
| 62 | Gertrude Soem | 34 | Wife | — | Illinois |
| 63 | Raymond Carroll | 33 | Head | Switchman | Illinois |
| 64 | Ardelle Carroll | 25 | Wife | Correspondent | Illinois |
| 65 | Gloria Carroll | 8 | Daughter | — | Illinois |
| 66 | Caroline Sanders | 53 | Mother-in-law | House Keeper | Minnesota |
| 67 | Lucille Vogel | 34 | Head | Salesman | Illinois |
| 68 | Lucille Vogel | 27 | Wife | — | Illinois |
| 69 | Ronald Vogel | 2 | Son | — | Illinois |
| 70 | Gerald Vogel | 1 | Son | — | Illinois |
| 71 | William Duffy | 65 | Father-in-law | — | Illinois |
| 72 | Caroline Duffy | 61 | Mother-in-law | — | Illinois |
| 73 | Merton Simpson | 30 | Head | Chauffeur | Illinois |
| 74 | Myrtle Simpson | 30 | Wife | Auditing | Illinois |
| 75 | George Waskow | 66 | Father-in-law | Bartender | Illinois |
| 76 | Clara Waskow | 52 | Mother-in-law | — | Illinois |
| 77 | Michael Smith THIS PERSON | 60 | Head | Laborer | Poland |
| 78 | Victoria Smith | 47 | Wife | — | Poland |
| 79 | John Smith | 29 | Son | Steward | Illinois |
| 80 | Helen Smith | 27 | Daughter-in-law | — | 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)