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Florence Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Florence Harris across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1903 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Lewis Harris | Head | — | 38 | ~1902 |
| Audrey Harris | Daughter | — | 11 | ~1929 |
| Florence Harris | Spouse | — | 37 | ~1903 |
| Shirley Harris | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Cook, Illinois
Other, age 19
Cook, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Florence |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Saleslady |
| Industry | Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Other, age 28
Cook, Illinois · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Florence |
| Relationship to Head | boarder |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 37
Cook-County, Illinois · implied b. ~1903 — 4 household members
| Surname | Harris |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 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 Florence Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence Harris
Spouse · 1940 · age 37 · b. ~1903 · 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-t0627-00957-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgette Geocaris | 11 | Daughter | — | Illinois |
| 2 | James Geocaris | 9 | Son | — | Illinois |
| 3 | Infant Geocaris | 0 | Daughter | — | Illinois |
| 4 | Reuben Levine | 44 | Head | Broker | Illinois |
| 5 | Rose Levine | 42 | Wife | — | Illinois |
| 6 | Stanley Levine | 15 | Son | Salesman | Illinois |
| 7 | Alvin Levine | 13 | Son | — | Illinois |
| 8 | Harold Levine | 5 | Son | Fire Guard | Illinois |
| 9 | Albert Pfau | 60 | Head | Selling Insurance | Indiana |
| 10 | Elizabeth Pfau | 58 | Wife | — | Illinois |
| 11 | Paul Pfau | 30 | Son | Shipping Clerk | Illinois |
| 12 | Walter Pfau | 21 | Son | Cigar Store Manager | Illinois |
| 13 | Stella Pfau | 20 | Daughter | Adm. Clerk | Illinois |
| 14 | James Vandemark | 26 | Head | Machinist | Indiana |
| 15 | Hilda Vandemark | 21 | Wife | Sewing Machine Operator | Indiana |
| 16 | James Jr. Vandemark | 1 | Son | — | Illinois |
| 17 | Julius Lipshultz | 54 | Head | Proprietor | Russia |
| 18 | Anabel Lipshultz | 52 | Wife | Bookkeeper | Illinois |
| 19 | Muriel Lipshultz | 17 | Daughter | — | Illinois |
| 20 | Lewis Harris | 38 | Head | Maintenance | Illinois |
| 21 | Florence Harris THIS PERSON | 37 | Wife | — | Illinois |
| 22 | Shirley Ann Harris | 14 | Daughter | — | Illinois |
| 23 | Audrey Harris | 11 | Daughter | — | Illinois |
| 24 | Edward L. Anderson | 55 | Head | Chief Special Agent | Iowa |
| 25 | Lura Anderson | 52 | Wife | — | Pennsylvania |
| 26 | Ends Here | None | BLOCK | — | — |
| 27 | Anna Kasper | 42 | Head | — | Lithuania |
| 28 | Anthony Kasper | 25 | Son | Machinist | Illinois |
| 29 | Gustave Gurske | 44 | Roomer | Meat Grinder | Germany |
| 30 | Josephine Lantry | 59 | Head | — | Pennsylvania |
| 31 | Jean Lantry | 21 | Daughter | Stenographer | Illinois |
| 32 | Virginia Lantry | 19 | Daughter | Clerk Off. Work | Illinois |
| 33 | Marjorie Lantry | 16 | Daughter | — | Illinois |
| 34 | Clyde Mcentee | 32 | Head | Trailer Driver | Michigan |
| 35 | Mabel Mcentee | 35 | Wife | — | Illinois |
| 36 | Theodore Mcentee | 13 | Son | — | Illinois |
| 37 | Frederick Sigrist | 67 | Head | — | Missouri |
| 38 | James O'Brien | 49 | Head | Dry Cleaner | Illinois |
| 39 | Margaret O'Brien | 43 | Wife | — | Iowa |
| 40 | Catherine O'Brien | 14 | Daughter | — | 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)