MR
Mary Richards — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Mary Richards across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield Wood Rock Nos. |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Springfield Wood Rock Nos |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joyce Richards | Daughter | — | 11 | ~1929 |
| Harry Richards | Head | — | 56 | ~1884 |
| David Richards | Son | — | 18 | ~1922 |
| James Richards | Son | — | 16 | ~1924 |
| Mary Richards | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Sangamon, Illinois
Spouse, age 34
Sangamon, Illinois · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Sangamon, Illinois
Other, age 45
Sangamon, Illinois · implied b. ~1885 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Sangamon-County, Illinois
Spouse, age 55
Sangamon-County, Illinois · implied b. ~1885 — 5 household members
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield Wood Rock Nos. |
| 1935 Residence (County) | Sangamon |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Richards across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Richards
Spouse · 1940 · age 55 · b. ~1885 · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00887-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Brazitis | 22 | Son | Digger | Illinois |
| 42 | Norma Brazitis | 19 | Daughter | Cook | Illinois |
| 43 | Russell Rose | 35 | Head | Trucker (Horse) | Illinois |
| 44 | Elsie Rose | 32 | Wife | — | Illinois |
| 45 | Ward Alver | 70 | Head | Trucker (Horse) | Indiana |
| 46 | Stella Alver | 32 | Wife | — | Illinois |
| 48 | Harry Richards | 36 | Head | Supervisor | Illinois |
| 49 | Ina Richards | 31 | Wife | — | Illinois |
| 50 | Ruby Richards | 13 | Daughter | — | Illinois |
| 51 | Alice Richards | 11 | Daughter | — | Illinois |
| 52 | Donald Richards | 9 | Son | — | Illinois |
| 53 | Harry D. Jr. Richards | 56 | Head | — | Michigan |
| 54 | Mary Richards THIS PERSON | 55 | Wife | — | Ohio |
| 55 | David Richards | 18 | Son | New Worker | Illinois |
| 56 | James Richards | 16 | Son | — | Illinois |
| 57 | Joyce Richards | 11 | Daughter | — | Illinois |
| 58 | Katherine Flunko | 33 | Head | Cook | Illinois |
| 59 | Harry J. Flunko | 11 | Son | — | Illinois |
| 60 | Charles Richards | 28 | Head | Painter | Illinois |
| 61 | Ellen Richards | 28 | Wife | — | Illinois |
| 62 | Ellen Marie Richards | 4 | Daughter | — | Illinois |
| 63 | Charles E. Jr. Richards | 3 | Son | — | Illinois |
| 64 | Bonnie Sue Richards | 1 | Daughter | — | Illinois |
| 65 | Russell Richms | 23 | Head | Digger | Illinois |
| 66 | Wynona Richms | 21 | Wife | — | Illinois |
| 67 | Judith Richms | 1 | Daughter | — | Illinois |
| 68 | Lester Girard | 29 | Head | Trucker | Illinois |
| 69 | Leona Girard | 25 | Wife | — | Illinois |
| 70 | Mary Anna Girard | 6 | Daughter | — | Illinois |
| 71 | Lester Jr. Girard | 4 | Son | — | Illinois |
| 72 | Dona Jean Girard | 2 | Daughter | — | Illinois |
| 73 | Thomas Corlas | 50 | Head | Motorman | Illinois |
| 74 | Victoria B. Corlas | 43 | Wife | — | Illinois |
| 75 | Walter Corlas | 25 | Son | Motorman | Illinois |
| 76 | Nick Kish | 32 | Head | Mechanic | Illinois |
| 77 | Jennie Kish | 29 | Wife | — | Oklahoma |
| 78 | Barbara A. Kish | 6 | Daughter | — | Illinois |
| 79 | James Gibson | 31 | Head | Manager | Missouri |
| 80 | Ella Gibson | 31 | Wife | — | 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)