MR
Mary Ritter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, Missouri
Our Model Tree links this Mary Ritter across the 1930 and 1940 US Censuses in Monroe-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Missouri |
| Surname | Ritter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Monroe City |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Monroe City |
| Est. Birth Year | ~1882 |
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 |
|---|---|---|---|---|
| A Ritter | Head | — | 62 | ~1878 |
| Maurice Ritter | Son | — | 30 | ~1910 |
| John Ritter | Son | — | 36 | ~1904 |
| James Ritter | Son | — | 24 | ~1916 |
| Mary Ritter | Spouse | — | 58 | ~1882 |
Census Appearances
1930
Monroe, Missouri
Spouse, age 48
Monroe, Missouri · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ritter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Monroe-County, Missouri
Spouse, age 58
Monroe-County, Missouri · implied b. ~1882 — 5 household members
| Surname | Ritter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Monroe City |
| 1935 Residence (County) | Monroe |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Ritter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ritter
Spouse · 1940 · age 58 · b. ~1882 · Missouri
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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 — Monroe-County, Missouri
Open full size
1940 US Federal Census — Monroe-County, Missouri
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02130-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Yates | 25 | Wife | — | Missouri |
| 42 | Elbert J. Yates | 5 | Son | — | Missouri |
| 43 | William Nick Yates | 2 | Son | — | Missouri |
| 44 | Frank S. Houson | 58 | Head | Salesman | Missouri |
| 45 | Agnes Houson | 54 | Wife | Owner | Missouri |
| 46 | Mabel Chandler | 52 | Head | — | Illinois |
| 47 | Jack Chandler | 25 | Son | Barber | Illinois |
| 48 | Nellie Spalding | 84 | Head | — | Missouri |
| 49 | Alfred Abel | 50 | Head | Veterinary | Missouri |
| 50 | Cecelia Abel | 53 | Wife | — | Illinois |
| 51 | Raymond Abel | 22 | Son | Attendant | Missouri |
| 52 | Viola Abel | 14 | Daughter | — | Missouri |
| 53 | Burt Simmons | 30 | Head | Delivery | Missouri |
| 54 | Mary E. Simmons | 29 | Wife | — | Missouri |
| 55 | Carl Richard Simmons | 1 | Son | 0 | Missouri |
| 56 | Russell Betz | 22 | Head | Body Man | Missouri |
| 57 | Naomi Betz | 21 | Wife | — | Missouri |
| 58 | Charlie Buckman | 55 | Head | Maintainer | Missouri |
| 59 | Mildred Buckman | 29 | Wife | — | Missouri |
| 60 | Aubrey Spalding | 56 | Head | — | Missouri |
| 61 | Mary E. Spalding | 52 | Wife | — | Missouri |
| 62 | Harold Spalding | 29 | Son | Clerk | Missouri |
| 63 | Alice Belle Spalding | 25 | Daughter | Egg Candler | Missouri |
| 64 | Thomas Lee Spalding | 2 | Son | 0 | Missouri |
| 65 | Alfred Buckman | 19 | Lodger | Grocer | Missouri |
| 66 | Charles Haglerong | 57 | Head | Labor | Missouri |
| 67 | Lucy Haglerong | 55 | Wife | — | Missouri |
| 68 | William E. Lefever | 48 | Head | — | Missouri |
| 69 | Anna Lefever | 46 | Wife | — | Iowa |
| 70 | Neil Meyer | 15 | Nephew | — | Wisconsin |
| 71 | A. F. Ritter | 62 | Head | — | Tennessee |
| 72 | Mary Ritter THIS PERSON | 58 | Wife | — | Missouri |
| 73 | John Ritter | 36 | Son | Bench Mark Setter | Missouri |
| 74 | Maurice Ritter | 30 | Son | — | Missouri |
| 75 | James Ritter | 24 | Son | Budget Manager | Missouri |
| 76 | J. E. Mudd | 65 | Head | — | Missouri |
| 77 | Sarah Mudd | 54 | Wife | — | Missouri |
| 78 | Joseph E. Mudd | 7 | Son | — | Washington |
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)