LS
Louis Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Louis Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sam & Jessie — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago-City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Cab Driver |
| Industry | Local Cab Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Cab Driver |
| Township / Ward | Chicagocity |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Rosalyn Smith | Daughter | — | 11 | ~1929 |
| Miriam Smith | Daughter | — | 10 | ~1930 |
| Louis Smith | Head | — | 42 | ~1898 |
| Anna Harris | Other | — | 64 | ~1876 |
| Dorthy Smith | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Sheet Metal Worker |
| Industry | Tin Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Hebrew |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Son, age 33
Cook, Illinois · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 30 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Driver |
| Industry | Taxi Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Veteran | Yes WW |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 5 household members
| Surname | Smith |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago-City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Cab Driver |
| Industry | Local Cab Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Louis Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence) and mother Bessie Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Smith
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Bessie Smith
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Smith
Head · 1940 · age 42 · b. ~1898 · 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-t0627-00999-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John M. Kolarik | 39 | Head | Civil Engineer | Illinois |
| 42 | Vera Schmidt | 38 | Head | Steno. | Illinois |
| 43 | Adeline Schmidt | 30 | Sister | Biller | Illinois |
| 44 | Charles Getman | 40 | Head | Metal Worker | Illinois |
| 45 | Irene Getman | 34 | Wife | — | Illinois |
| 46 | Phyllis Getman | 6 | Daughter | — | Illinois |
| 47 | William Ackerson | 60 | Head | Ins. Man. | Illinois |
| 48 | Edythe Ackerson | 52 | Wife | — | Illinois |
| 49 | Leo Grep | 40 | Head | Cab Driver | Russia |
| 50 | Gertrude Grep | 38 | Wife | — | Illinois |
| 51 | Adele Grep | 17 | daughter | — | Illinois |
| 52 | Beverly Grep | 13 | daughter | — | Illinois |
| 53 | Louis E. Quater | 51 | Head | Clerk | Illinois |
| 54 | Sara Quater | 45 | Wife | — | Illinois |
| 55 | Gerald L. Quater | 22 | Son | Clerk | Illinois |
| 56 | Dolores L. Quater | 12 | Daughter | — | Illinois |
| 57 | Julius Schuman | 44 | Head | Teller | Maryland |
| 58 | Lillian Schuman | 41 | Wife | Teller | Illinois |
| 59 | Elmer Schuman | 18 | Son | Gen. Labor | Illinois |
| 60 | Harold Schuman | 13 | Son | — | Illinois |
| 61 | Arlene Schuman | 5 | daughter | — | Illinois |
| 62 | Henry Echt | 37 | Head | Shipping Clerk | Illinois |
| 63 | Anna Echt | 36 | Wife | Sales Lady | Poland |
| 64 | Theodore Echt | 10 | Son | — | Illinois |
| 65 | Roberta Echt | 9 | daughter | — | Illinois |
| 66 | Max Pudman | 46 | Head | Bread Peddler | Poland |
| 67 | Sara Pudman | 45 | Wife | — | Poland |
| 68 | Barry Ganek | 40 | Head | Guard | Russia |
| 69 | Lillian Ganek | 36 | Wife | — | Russia |
| 70 | Harriet Ganek | 11 | daughter | — | Illinois |
| 71 | Leonard Ganek | 8 | Son | — | Illinois |
| 72 | Louis Smith THIS PERSON | 42 | Head | Cab Driver | Russia |
| 73 | Dorthy Smith | 34 | Wife | — | Illinois |
| 74 | Rosalyn Smith | 11 | daughter | — | Illinois |
| 75 | Miriam Smith | 10 | daughter | — | Illinois |
| 76 | Anna Harris | 64 | Mother-in-law | — | Russia |
| 77 | Samuel Lein | 52 | Head | Carpenter | Scotland |
| 78 | Dorthy Lein | 39 | Wife | — | Illinois |
| 79 | Seymour J. Lein | 20 | Son | Clerk | Illinois |
| 80 | Jerold A. Lein | 7 | Son | — | Illinois |
Pedigree Summary
Louis
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)