MJ
Marie Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Marie Jones across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 8-person household.
Age 38
b. ~1902
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Jones | Daughter | — | 9 | ~1931 |
| Lillian Aronson | Daughter | — | 26 | ~1914 |
| Bonnie Jones | Daughter | — | 19 | ~1921 |
| Melvin Jones | Head | — | 47 | ~1893 |
| Harriet Roeser | Other | — | 70 | ~1870 |
| Susan Hulke | Other | — | 60 | ~1880 |
| Melvin Jones | Son | — | 16 | ~1924 |
| Marie Jones | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Cook, Illinois
Spouse, age 29
Cook, Illinois · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 18 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Cook-County, Illinois
Spouse, age 38
Cook-County, Illinois · implied b. ~1902 — 8 household members
| Surname | Jones |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Marie Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Jones
Spouse · 1940 · age 38 · b. ~1902 · 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
26 people indexed on this census page (nara:1940:m-t0627-01002-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George R Bartels | 58 | Head | Butcher | Illinois |
| 2 | George Jr Bartels | 28 | Son | Butcher | Illinois |
| 3 | John Bartels | 25 | Son | Correspondent | Illinois |
| 4 | Aaron Ohlson | 73 | Head | Shop Foreman | Sweden |
| 5 | Esther Ohlson | 45 | Daughter | Biller | Illinois |
| 6 | Theodore Samuelson | 48 | Head | Traveling Sales | Illinois |
| 7 | Frieda Samuelson | 47 | Wife | — | Illinois |
| 8 | Theodore Jr Samuelson | 16 | Son | — | Illinois |
| 9 | Donald Samuelson | 13 | Son | — | Illinois |
| 10 | Raymond Metzger | 32 | Head | Proprietor | Illinois |
| 11 | Evelyn Metzger | 32 | Wife | — | Illinois |
| 12 | Raymond Jr Metzger | 5 | Son | — | Illinois |
| 13 | Paul Metzger | 4 | Son | — | Illinois |
| 14 | Paul E Gates | 30 | Head | Comptometer | New York |
| 15 | Lenore Gates | 26 | Wife | — | Illinois |
| 16 | Melvin Jones | 47 | Head | Pumpman | Mississippi |
| 17 | Marie Jones THIS PERSON | 38 | Wife | — | California |
| 18 | Bonnie Jones | 19 | Daughter | Saleslady | Pennsylvania |
| 19 | Melvin Jr Jones | 16 | Son | — | Illinois |
| 20 | Dorothy Jones | 9 | Daughter | — | Illinois |
| 21 | Susan Hulke | 60 | Mother-in-law | — | Germany |
| 22 | Harriet Roeser | 70 | Mother | — | Indiana |
| 23 | Lillian Aronson | 26 | Daughter | Stenographer | England |
| 24 | Frank P Tobin | 45 | Head | Bricklayer | Illinois |
| 25 | Ethel Tobin | 45 | Wife | — | Illinois |
| 26 | Frank J Tobin | 12 | Son | — | 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)