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Louis Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Louis Harris across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 10-person household.
Age 45
b. ~1895
Male
Head
Born: Greece
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1895 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| James Harris | Son | — | 13 | ~1927 |
| Bertha Harris | Daughter | — | 11 | ~1929 |
| Metaxon Spiva | Other | — | 60 | ~1880 |
| Mabel Harris | Daughter | — | 10 | ~1930 |
| Olympia Harris | Daughter | — | 16 | ~1924 |
| John Harris | Son | — | 15 | ~1925 |
| Georgia Harris | Daughter | — | 4 | ~1936 |
| Helen Harris | Spouse | — | 37 | ~1903 |
| George Harris | Son | — | 4 | ~1936 |
| Louis Harris | Head | — | 45 | ~1895 |
Census Appearances
1930
Cook, Illinois
Other, age 36
Cook, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Louis |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Greece |
| Naturalization Status | First papers filed |
| Year of Immigration | 1913 |
| Father's Birthplace | Greece |
| Mother's Birthplace | Greece |
| Occupation | Butcher |
| Industry | Wholesale Meat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Greek |
| Veteran | No |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
1940
Cook-County, Illinois
Head, age 45
Cook-County, Illinois · implied b. ~1895 — 10 household members
| Surname | Harris |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
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 Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Harris
Head · 1940 · age 45 · b. ~1895 · 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
39 people indexed on this census page (nara:1940:m-t0627-00933-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angeline Sassone | 27 | Daughter | Biller | Illinois |
| 2 | George Sassone | 24 | Son | Clerk | Illinois |
| 3 | Marguerite Sassone | 22 | Daughter | Bookkeeper | Illinois |
| 4 | Catherine Sassone | 20 | Daughter | Clerk | Illinois |
| 5 | Christ Katzambis | 48 | Head | — | Greece |
| 6 | Beulah Katzambis | 43 | Wife | — | Greece |
| 7 | John Katzambis | 26 | Son | Fruit Dealer | Illinois |
| 8 | Helen Katzambis | 22 | Daughter | Beauty Operator | Illinois |
| 9 | Louis Harris THIS PERSON | 45 | Head | — | Greece |
| 10 | Helen Harris | 37 | Wife | — | Greece |
| 11 | Olympia Harris | 16 | Daughter | — | Illinois |
| 12 | John Harris | 15 | Son | — | Illinois |
| 13 | James Harris | 13 | Son | — | Illinois |
| 14 | Bertha Harris | 11 | Daughter | — | Illinois |
| 15 | Mabel Harris | 10 | Daughter | — | Illinois |
| 16 | George Harris | 4 | Son | — | Illinois |
| 17 | Georgia Harris | 4 | Daughter | — | Illinois |
| 18 | Metaxon Spiva | 60 | Lodger | — | Greece |
| 19 | Paul D. Matthews | 56 | Head | Storekeeper | Michigan |
| 20 | Josephine Matthews | 45 | Wife | Storekeeper | Illinois |
| 21 | Paul P. Matthews | 21 | Son | Clerk | Illinois |
| 22 | Donna Matthews | 23 | Daughter | Cashier | Illinois |
| 23 | Gray Matthews | 21 | Son | Attendant | Illinois |
| 24 | Charles Patrick | 39 | Head | Manager | Missouri |
| 25 | Myrtle Patrick | 48 | Daughter | Stenographer | Missouri |
| 26 | Clara Patrick | 69 | Mother | — | Ohio |
| 27 | John Steiber | 26 | Head | Janitor | Michigan |
| 28 | Mary Steiber | 24 | Wife | — | Romania |
| 29 | Florence Stoika | 19 | Sister-in-law | Floor Manager | Romania |
| 30 | Sophie Stoika | 17 | Sister-in-law | — | Romania |
| 31 | Marian Stoika | 3 | Daughter | — | Michigan |
| 32 | Patrick Russell | 24 | Head | — | Illinois |
| 33 | Vera Russell | 32 | Daughter | Clerk | Illinois |
| 34 | Howard Nelson | 44 | Head | Electrician | Illinois |
| 35 | Lucille Nelson | 42 | Wife | — | Illinois |
| 36 | Betty Jean Nelson | 18 | Daughter | New Worker | Illinois |
| 37 | James Delaney | 43 | Head | Inspector | Ohio |
| 38 | Mildred Delaney | 37 | Wife | — | Illinois |
| 39 | Marilyn Delaney | 17 | Daughter | — | 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)