MS
Mary Shields — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Mary Shields across the 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 8-person household.
Age 32
b. ~1908
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Shields |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Webber Twp |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Webber Twp |
| Est. Birth Year | ~1908 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shields | Daughter | — | 4 | ~1936 |
| Mary Shields | Spouse | — | 32 | ~1908 |
| Douglas Shields | Son | — | 8 | ~1932 |
| Raleigh Shields | Head | — | 41 | ~1899 |
| Mervin Shields | Son | — | 4 | ~1936 |
| Joyce Shields | Daughter | — | 2 | ~1938 |
| Reba Shields | Daughter | — | 10 | ~1930 |
| Raleigh Shields | Son | — | 11 | ~1929 |
Census Appearances
1930
Jefferson, Illinois
Other, age 21
Jefferson, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 16 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Illinois
Spouse, age 32
Jefferson-County, Illinois · implied b. ~1908 — 8 household members
| Surname | Shields |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Webber Twp |
| 1935 Residence (County) | Jefferson |
| Highest Grade | H-2 |
| 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 Mary Shields across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shields
Spouse · 1940 · age 32 · b. ~1908 · 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 — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00982)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Crouch | 28 | Son | Mechanic | Illinois |
| 42 | Mary Crouch | 18 | Daughter | — | Illinois |
| 43 | Casper Crouch | 17 | Son | Farm Hand | Illinois |
| 44 | Charles Crouch | 15 | Son | Farm Hand | Illinois |
| 45 | Dorothy Crouch | 13 | Daughter | — | Illinois |
| 46 | John Crouch | 12 | Son | — | Illinois |
| 47 | Bill Crouch | 12 | Son | — | Illinois |
| 48 | Kenneth Crouch | 11 | Son | — | Illinois |
| 49 | James Crouch | 8 | Son | — | Illinois |
| 50 | Marcella M. Crouch | 7 | Daughter | — | Illinois |
| 51 | Raleigh Shields | 41 | Head | Farmer | Illinois |
| 52 | Mary E. Shields THIS PERSON | 32 | Wife | — | Illinois |
| 53 | Raleigh B. Shields | 11 | Son | — | Wisconsin |
| 54 | Reba Shields | 10 | Daughter | — | Illinois |
| 55 | Douglas L. Shields | 8 | Son | — | Illinois |
| 56 | Mary L. Shields | 4 | Daughter | — | Illinois |
| 57 | Mervin D. Shields | 4 | Son | — | Illinois |
| 58 | Joyce E. Shields | 2 | Daughter | — | Illinois |
| 59 | Sam R. Gregory | 55 | Head | Painter | Illinois |
| 60 | Jannie Gregory | 52 | Wife | — | Illinois |
| 61 | Linnie Lou Gregory | 12 | Daughter | — | Illinois |
| 62 | Billie Ray Gregory | 13 | Son | — | Illinois |
| 63 | Horace Green | 20 | Head | Farm Hand | Illinois |
| 64 | Irene Green | 17 | Wife | — | Illinois |
| 65 | Billie G. Green | 1 | Son | — | Illinois |
| 66 | George B. Gazony | 34 | Head | Oiler | Illinois |
| 67 | Elenore Gazony | 21 | Wife | — | Illinois |
| 68 | Lewis W. Gazony | 2 | Son | — | Illinois |
| 69 | Clyde Carmons | 37 | Head | Farmer | Illinois |
| 70 | Essie Carmons | 37 | Wife | — | Illinois |
| 71 | Varian Carmons | 12 | Daughter | — | Illinois |
| 72 | Washington D. Butler | 80 | Head | — | Tennessee |
| 73 | Lucetta Butler | 77 | Wife | — | Indiana |
| 74 | Sammuel Friend | 24 | Head | Truck Driver | Illinois |
| 75 | Opal Friend | 29 | Wife | — | Illinois |
| 76 | John D. Park Hill | 48 | Head | Farmer | Illinois |
| 77 | Renvetta Park Hill | 42 | Wife | — | Illinois |
| 78 | Harry Park Hill | 12 | Son | — | Illinois |
| 79 | Fairy Park Hill | 11 | Daughter | — | Illinois |
| 80 | Floyd Wallity | 40 | Head | Labour | 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)