LJ
Lillian Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lillian Jones across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Minnie — first a daughter (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Daughter
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1425 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Operator |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1894 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Audrey Jones | Daughter | — | 15 | ~1925 |
| Delores Barnes | Daughter | — | 21 | ~1919 |
| Lillian Jones | Daughter | — | 46 | ~1894 |
| La Jones | Daughter | — | 23 | ~1917 |
| Lorraine Barnes | Daughter | — | 23 | ~1917 |
| Minnie Barnes | Head | — | 66 | ~1874 |
Census Appearances
1920
Cook, Illinois
Spouse, age 25
Cook, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 46
Cook-County, Illinois · implied b. ~1894 — 6 household members
| Surname | Jones |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1425 |
| Highest Grade | Hs 4 |
| 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 Lillian Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Barnes (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Barnes
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Jones
Daughter · 1940 · age 46 · b. ~1894 · Illinois
★ You are viewing this record
Sibling
Audrey Jones
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Barnes
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Barnes
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Jones
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00925-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis Moore | 72 | Father-in-law | — | Massachusetts |
| 42 | Alex Baxter | 47 | Lodger | Digger | Mississippi |
| 43 | Horace Jones | 60 | Head | Car Cleaner | Missouri |
| 44 | Nannie Jones | 40 | Wife | — | Mississippi |
| 45 | Emily Lacey | 36 | Lodger | — | Mississippi |
| 46 | Eunice Thornton | 19 | Daughter | Laboratory Assistant | Mississippi |
| 47 | Abe Goins | 17 | Nephew | — | Mississippi |
| 48 | Clara Duckworth | 37 | Head | — | Illinois |
| 49 | Walter Duckworth | 7 | Son | — | Illinois |
| 50 | Grace Duckworth | 5 | Daughter | — | Illinois |
| 51 | Lionel Duckworth | 2 | Son | — | Illinois |
| 52 | Cornell Duckworth | 2 | Son | — | Illinois |
| 53 | George Jordan | 40 | Lodger | Porter | Alabama |
| 54 | Fannie Jackson | 40 | Lodger | Maid | Mississippi |
| 55 | Conway Cross | 39 | Head | Pork Cutter | Mississippi |
| 56 | Earline Cross | 36 | Wife | — | Mississippi |
| 57 | Earline Atkins | 14 | Daughter | — | Illinois |
| 58 | Thea Elizabeth Atkins | 11 | Daughter | — | Illinois |
| 59 | James Grant | 27 | Lodger | Mechanic | Mississippi |
| 60 | Harold Robinson | 30 | Head | Porter | Kentucky |
| 61 | Estella Robinson | 35 | Wife | Maid | Virginia |
| 62 | Edward James | 21 | Son | Waiter | Virginia |
| 63 | John Jones | 52 | Head | Repairman | Arkansas |
| 64 | Ethel Jones | 39 | Wife | — | Arkansas |
| 65 | Alice Jones | 21 | Daughter | Maid | Arkansas |
| 66 | Carrie Williams | 61 | Mother | — | Arkansas |
| 67 | Phyllis Mitchell | 1 | Step-daughter | — | Illinois |
| 68 | Minnie Barnes | 66 | Head | — | Czechoslovakia |
| 69 | Lorraine Barnes | 23 | Daughter | Salesgirl | Illinois |
| 70 | Delores Barnes | 21 | Daughter | — | Illinois |
| 71 | Lillian Jones THIS PERSON | 46 | Daughter | Operator | Illinois |
| 72 | La Verne Jones | 23 | Daughter | Typist | Illinois |
| 73 | Audrey Jones | 15 | Daughter | — | Illinois |
| 74 | Millard Jenkins | 27 | Head | — | Mississippi |
| 75 | Le Roy Jenkins | 8 | Son | — | Illinois |
| 76 | Constance Jenkins | 6 | Daughter | — | Illinois |
| 77 | Lala Mcgee | 42 | Mother | — | Mississippi |
| 78 | Shirley Mcgee | 14 | Sister | — | Illinois |
| 79 | Helen Mcgee | 12 | Sister | — | Illinois |
| 80 | Earnest Bolton | 28 | Lodger | Candy Maker | Michigan |
Pedigree Summary
Lillian + 4 siblings
Gen 1 · 1 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)