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Mary Briggs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coles-County, Illinois
Our Model Tree links this Mary Briggs across the 1930 and 1940 US Censuses in Coles-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coles-County, Illinois |
| Surname | Briggs |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Charleston Township |
| 1935 Residence (County) | Coles |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Charleston Township |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Briggs | Son | — | 19 | ~1921 |
| Edna Briggs | Spouse | — | 44 | ~1896 |
| Betty Briggs | Daughter | — | 14 | ~1926 |
| Ruth Briggs | Daughter | — | 10 | ~1930 |
| Vera Smith | Other | — | 19 | ~1921 |
| Mary Briggs | Daughter | — | 19 | ~1921 |
| Max Briggs | Son | — | 8 | ~1932 |
| Margaret Briggs | Daughter | — | 5 | ~1935 |
| George Briggs | Head | — | 46 | ~1894 |
| Catherine Briggs | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Coles, Illinois
Daughter, age 8
Coles, Illinois · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Briggs |
| Given Name | Marly E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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
Coles-County, Illinois
Daughter, age 19
Coles-County, Illinois · implied b. ~1921 — 10 household members
| Surname | Briggs |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Charleston Township |
| 1935 Residence (County) | Coles |
| Industry | 0 |
| Highest Grade | H 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 Mary Briggs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Briggs
Daughter · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Betty Briggs
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Briggs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Max Briggs
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Briggs
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Briggs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Briggs
Sibling · 1940 · age 10
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 — Coles-County, Illinois
Open full size
1940 US Federal Census — Coles-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00771-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George A Briggs | 46 | Head | Puna Monument | Illinois |
| 42 | Edna L Briggs | 44 | Wife | — | Illinois |
| 43 | George S Briggs | 19 | son | — | Illinois |
| 44 | Mary E Briggs THIS PERSON | 19 | daughter | — | Illinois |
| 45 | Catherine Briggs | 16 | daughter | — | Illinois |
| 46 | Betty Briggs | 14 | daughter | — | Illinois |
| 47 | Ruth Briggs | 10 | daughter | — | Illinois |
| 48 | Max Briggs | 8 | son | — | Illinois |
| 49 | Margaret Briggs | 5 | daughter | — | Illinois |
| 50 | Vera Smith | 19 | niece | — | Illinois |
| 51 | George Handwerk | 64 | Head | Farmer | Illinois |
| 52 | Della Handwerk | 62 | Wife | — | Illinois |
| 53 | Charles Owings | 48 | Head | Secon | Illinois |
| 54 | Chelsea Owings | 47 | Wife | — | Illinois |
| 55 | Charles J Owings | 20 | son | Pin Setter | Illinois |
| 56 | Benjamin Owings | 17 | son | Pin Setter | Illinois |
| 57 | Louise Owings | 13 | daughter | — | Missouri |
| 58 | Robert Craig | 52 | Head | Farmer | Indiana |
| 59 | Mary Craig | 62 | Wife | — | Illinois |
| 60 | Clarence Craig | 26 | Nephew | Block Layer | Illinois |
| 61 | Samuel Wright | 33 | Head | Bridge Worker | Illinois |
| 62 | Harriet Wright | 21 | Wife | — | Illinois |
| 63 | Jacqueline Wright | 4 | daughter | — | Illinois |
| 64 | Carolyn Wright | 2 | daughter | — | Illinois |
| 65 | Jack Watson | 71 | Head | Farmer | Ohio |
| 66 | Forest D Watson | 71 | Wife | — | Indiana |
| 67 | Lois Burgner | 36 | Daughter | — | Illinois |
| 68 | Jack Burgner | 17 | Grandson | — | Illinois |
| 69 | George Wilson | 57 | Head | Farmer | Virginia |
| 70 | Ola Wilson | 51 | Wife | — | Illinois |
| 71 | Robert Wilson | 16 | son | — | Illinois |
| 72 | Mary Wilson | 12 | Daughter | — | Illinois |
| 73 | Willard Rosebrough | 41 | Head | Farmer | Illinois |
| 74 | Ruth Rosebrough | 39 | Wife | — | Illinois |
| 75 | Eleanor Rosebrough | 16 | Daughter | — | Illinois |
| 76 | Robert Rosebrough | 12 | son | — | Illinois |
| 77 | Carrol Rosebrough | 1 | Daughter | — | Illinois |
| 78 | William Phillips | 40 | Head | Farm Helper | Illinois |
| 79 | Elva Phillips | 36 | Wife | — | Illinois |
| 80 | Thelma Phillips | 18 | Daughter | — | 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)