FJ
Florence Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Florence Jackson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Andrew & Herman — first a spouse (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1916 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Jackson | Spouse | — | 24 | ~1916 |
| Enoch Jackson | Head | — | 40 | ~1900 |
| Mitz Jackson | Son | — | 12 | ~1928 |
| Robert Jackson | Son | — | 1 | ~1939 |
| Curtis Jackson | Other | — | 15 | ~1925 |
| Clifford Jackson | Son | — | 5 | ~1935 |
Census Appearances
1920
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Florence A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 24
Cook-County, Illinois · implied b. ~1916 — 6 household members
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Jackson (~0.92 confidence) and father Herman Jackson (~0.92 confidence) and mother Catherine Jackson (~0.92 confidence) and mother Florence Jackson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Jackson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Herman Jackson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Catherine Jackson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Florence Jackson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Jackson
Spouse · 1940 · age 24 · b. ~1916 · 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
38 people indexed on this census page (nara:1940:m-t0627-00956-00853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | De Featrey, Thomas Peterson | 23 | Son | Stevedore | Illinois |
| 42 | Lawrence Kraus | 37 | Head | City Policeman | Illinois |
| 43 | Sadie Kraus | 35 | Wife | — | Indiana |
| 44 | Robert Kraus | 15 | Son | — | Illinois |
| 45 | James Kraus | 5 | Son | — | Illinois |
| 46 | Jesse Fleming | 43 | Head | Painting Dec | Illinois |
| 47 | Mabel Fleming | 40 | Wife | — | Missouri |
| 48 | Jesse Jr Fleming | 15 | Son | — | Illinois |
| 49 | Percy Loomis | 43 | Head | Clerk | Illinois |
| 50 | Sarah Loomis | 34 | Wife | — | New York |
| 51 | Robert Loomis | 9 | Son | — | Illinois |
| 52 | Joan Loomis | 7 | Daughter | — | Illinois |
| 53 | Cyrene Loomis | 72 | Mother | — | Illinois |
| 54 | James Welch | 32 | Head | Chemist | Pennsylvania |
| 55 | Margaret Welch | 28 | Wife | Tel. Operator | Illinois |
| 56 | John Welch | 5 | Son | — | Illinois |
| 57 | Margaret Welch | 27 | Sister | Sales Clerk | Pennsylvania |
| 58 | Mary Welch | 2 | Niece | — | Illinois |
| 59 | Helen M. Hastings | 50 | Servant | Servant | Illinois |
| 60 | Enoch Jackson | 40 | Head | Painter Dec | Sweden |
| 61 | Florence Jackson THIS PERSON | 24 | Wife | — | Illinois |
| 62 | Curtis Jackson | 15 | Step-son | — | Illinois |
| 63 | Mitz Jackson | 12 | Son | — | Sweden |
| 64 | Clifford Jackson | 5 | Son | — | Sweden |
| 65 | Robert Jackson | 1 | Son | — | Illinois |
| 66 | Harry Wagner | 54 | Head | Pullman Conductor | Indiana |
| 67 | Eva Wagner | 53 | Wife | — | Indiana |
| 68 | Harold Wagner | 30 | Son | Elevator Operator | Indiana |
| 69 | Bryan Biggs | 43 | Head | Store Manager | Missouri |
| 70 | Mary Biggs | 25 | Wife | — | Illinois |
| 71 | Bryan Jr Biggs | 17 | Son | — | Illinois |
| 72 | Helen Sorensen | 51 | Head | Electrician | Denmark |
| 73 | Meril Sorensen | 47 | Wife | — | Illinois |
| 74 | Warren Sorensen | 20 | Son | — | Illinois |
| 75 | Alan Sorensen | 15 | Son | — | Illinois |
| 76 | Barbara Sorensen | 5 | Daughter | — | Illinois |
| 77 | Harry Pitzman | 46 | Head | W.P.A. Clerk | Illinois |
| 78 | Julia Pitzman | 43 | Wife | — | Illinois |
Pedigree Summary
Florence
Gen 1 · 4 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)