FJ
Florence Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Florence Jones across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Theresa — first a spouse (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Mary Jones | Daughter | — | 4 | ~1936 |
| Raymond Jones | Son | — | 13 | ~1927 |
| Robert Jones | Son | — | 11 | ~1929 |
| Florence Jones | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 23
Cook, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 34
Cook-County, Illinois · implied b. ~1906 — 4 household members
| Surname | Jones |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Highest Grade | H-3 |
| 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 Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Jones (~0.92 confidence) and mother Theresa Jones (~0.92 confidence) and mother Mary Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jones
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Theresa Jones
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Jones
Spouse · 1940 · age 34 · b. ~1906 · 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-t0627-00937-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Jones THIS PERSON | 34 | Wife | — | Illinois |
| 42 | Raymond Jones | 13 | Son | — | Illinois |
| 43 | Robert Jones | 11 | Son | — | Illinois |
| 44 | Mary Jones | 4 | Daughter | — | Illinois |
| 45 | Harry Jacobs | 41 | Head | Police Officer | Illinois |
| 46 | Rose Jacobs | 36 | Wife | — | Illinois |
| 47 | Rose Mary Jacobs | 5 | Daughter | — | Illinois |
| 48 | Bernard Freehill | 59 | Head | Freighter | Ireland |
| 49 | Bernard Jr Freehill | 26 | Son | Accountant | Illinois |
| 50 | James Freehill | 24 | Son | Printer Apprentice | Illinois |
| 51 | Thos E Freehill | 22 | Son | Genl Work | Illinois |
| 52 | T. E. Apgar | 86 | Head | — | Ohio |
| 53 | Myrtle Apgar | 42 | Daughter | — | Illinois |
| 54 | John Vollman | 74 | Head | — | Illinois |
| 55 | Emma Vollman | 72 | Wife | — | Illinois |
| 56 | Hans Miller | 66 | Head | Laborer | Illinois |
| 57 | Lilly Miller | 58 | Sister | — | Illinois |
| 58 | Selma Miller | 56 | Sister | — | Illinois |
| 59 | Irene Miller | 32 | Sister | — | Illinois |
| 60 | Henrietta Beversdorf | 60 | Head | — | Illinois |
| 61 | Alfred Beversdorf | 27 | Son | Apprentice | Illinois |
| 62 | Roy Beversdorf | 24 | Son | Inspector | Illinois |
| 63 | Helen Beversdorf | 17 | Daughter | — | Illinois |
| 64 | Anne Vincent | 57 | Head | — | Ohio |
| 65 | Harold Vincent | 27 | Son | — | Illinois |
| 66 | Gertrude Fleming | 33 | Lodger | Clerk | Illinois |
| 67 | Charles Fleming | 5 | Lodger Son | — | Illinois |
| 68 | — | None | — | — | — |
| 69 | Earl J. | 7 | Lodger | — | Illinois |
| 70 | Nancy | 5 | Lodger | — | Illinois |
| 71 | Emma Seyforth | 74 | Head | — | Illinois |
| 72 | Fred Seyforth | 52 | Son | Butcher | Illinois |
| 73 | Walter Seyforth | 35 | Son | Janitor | Illinois |
| 74 | Walter Jr Seyforth | 10 | Grandson | — | Illinois |
| 75 | Alfred Belzer | 41 | Head | Clerk | Illinois |
| 76 | Lillian Belzer | 39 | Wife | — | Illinois |
| 77 | Alfred Jr Belzer | 6 | Son | — | Illinois |
| 78 | Peter Trybom | 79 | Head | — | Sweden |
| 79 | Jennie Trybom | 74 | Wife | — | Sweden |
| 80 | Paul Somshor | 72 | Head | — | Russia |
Pedigree Summary
Florence
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)