MJ
Marjorie Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Marjorie Jones across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Jones |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Glen Carbon Village |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Industry | S |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Glen Carbon Village |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Martha Jones | Spouse | — | 39 | ~1901 |
| Earl Jones | Son | — | 12 | ~1928 |
| Helen Jones | Daughter | — | 18 | ~1922 |
| Peggy Jones | Daughter | — | 17 | ~1923 |
| Marjorie Jones | Daughter | — | 11 | ~1929 |
| Genevieve Jones | Daughter | — | 14 | ~1926 |
| Claude Jones | Head | — | 41 | ~1899 |
Census Appearances
1930
Madison, Illinois
Daughter, age 1
Madison, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Daughter, age 11
Madison-County, Illinois · implied b. ~1929 — 7 household members
| Surname | Jones |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Glen Carbon Village |
| 1935 Residence (County) | Madison |
| Industry | S |
| Highest Grade | 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 Marjorie Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marjorie Jones
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Genevieve Jones
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Jones
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Jones
Sibling · 1940 · age 18
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00849-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claude V. Jones | 41 | Head | Carpenter | Illinois |
| 2 | Martha Jones | 39 | Wife | — | Illinois |
| 3 | Helen Jones | 18 | Daughter | Bookkeeper | Illinois |
| 4 | Peggy Jones | 17 | Daughter | — | Illinois |
| 5 | Genevieve Jones | 14 | Daughter | — | Illinois |
| 6 | Earl D. Jones | 12 | Son | — | Illinois |
| 7 | Marjorie Jones THIS PERSON | 11 | Daughter | — | Illinois |
| 8 | Robert C. Jones | 32 | Head | Loader | South Dakota |
| 9 | Evelyn R. Jones | 26 | Wife | — | Illinois |
| 10 | Lyle A. Jones | 4 | Son | — | Illinois |
| 11 | Betty Ann Jones | 1 | Daughter | — | Illinois |
| 12 | Charles M. Theckston | 54 | Head | Mine Examiner | Nevada |
| 13 | Della Theckston | 44 | Wife | — | Illinois |
| 14 | Elizabeth L. Schaefer | 64 | Head | — | Illinois |
| 15 | Calvin Dawson | 22 | Son-in-law | Loader | Pennsylvania |
| 16 | Louise Dawson | 22 | Daughter | — | Illinois |
| 17 | Charles Dawson | 7 | Grandson | — | Illinois |
| 18 | Richard Dawson | 6 | Grandson | — | Illinois |
| 19 | Alfred A. Mcnabb | 45 | Head | Signal Man | Illinois |
| 20 | Edna C. Mcnabb | 42 | Wife | — | Illinois |
| 21 | Alex H. Heckman | 48 | Head | National Instructor | Illinois |
| 22 | Inez Heckman | 37 | Wife | — | Illinois |
| 23 | Harold Heckman | 15 | Son | — | Illinois |
| 24 | Milton Heckman | 12 | Son | — | Illinois |
| 25 | Richard Heckman | 8 | Son | — | Illinois |
| 26 | Betty Heckman | 7 | Daughter | — | Illinois |
| 27 | Glen Heckman | 3 | Son | — | Illinois |
| 28 | Joseph Henshaw | 65 | Head | Loader | Missouri |
| 29 | Cyrus Henshaw | 49 | Brother | Supt. Vet. Relief | Oklahoma |
| 30 | Rudolph Schibel | 55 | Brother-in-law | Loader | Illinois |
| 31 | Alice Schibel | 52 | Sister | — | Oklahoma |
| 32 | Frank Lukas | 52 | Head | Library Repairman | Germany |
| 33 | Annie Lukas | 58 | Wife | — | Germany |
| 34 | James H. Rurtle | 50 | Head | Clerk Secretary | Missouri |
| 35 | Jenny Rurtle | 50 | Wife | — | Illinois |
| 36 | Dale Rurtle | 15 | Son | — | Illinois |
| 37 | William J. Russell | 83 | Head | — | Ohio |
| 38 | Aramia Russell | 73 | Wife | — | Indiana |
| 39 | Sam Ambrozat | 83 | Head | Loader | Lithuania |
| 40 | Anna Ambrozat | 51 | Wife | — | Lithuania |
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)