MR
Mary Ritter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oconee-County, South Carolina
Our Model Tree links this Mary Ritter across the 1930 and 1940 US Censuses in Oconee-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oconee-County, South Carolina |
| Surname | Ritter |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oconee |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Wagner Township |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Amalie Ritter | Daughter | — | 11 | ~1929 |
| Henry Ritter | Son | — | 15 | ~1925 |
| Robert Ritter | Son | — | 3 | ~1937 |
| Ruth Ritter | Spouse | — | 44 | ~1896 |
| Margret Ritter | Daughter | — | 9 | ~1931 |
| Herman Ritter | Head | — | 54 | ~1886 |
| Mary Ritter | Daughter | — | 13 | ~1927 |
| Archelaus Ritter | Son | — | 17 | ~1923 |
Census Appearances
1930
Oconee, South …
Daughter, age 3
Oconee, South Carolina · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ritter |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Oconee-County, South …
Daughter, age 13
Oconee-County, South Carolina · implied b. ~1927 — 8 household members
| Surname | Ritter |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oconee |
| Highest Grade | No 7 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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
Daughter · 1940 · age 13 · b. ~1927 · South Carolina
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Sibling
Archelaus Ritter
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amalie Ritter
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Ritter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margret Ritter
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Ritter
Sibling · 1940 · age 3
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 — Oconee-County, South Carolina
Open full size
1940 US Federal Census — Oconee-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03828-00851)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Trucie Smith | 49 | Wife | — | Georgia |
| 42 | Dortha Smith | 13 | Daughter | — | South Carolina |
| 43 | Frank Smith | 12 | Son | — | South Carolina |
| 44 | Ida Nell Smith | 7 | Daughter | — | South Carolina |
| 45 | Lou Ellen Smith | 5 | Daughter | — | South Carolina |
| 46 | R. D. Edwards | 53 | Head | Farmer | South Carolina |
| 47 | Dora Edwards | 51 | Wife | — | South Carolina |
| 48 | Henry Edwards | 19 | Son | Farmer | South Carolina |
| 49 | Elizabeth Edwards | 16 | Daughter | — | South Carolina |
| 50 | Nora Edwards | 15 | Son | — | South Carolina |
| 51 | Ray Edwards | 10 | Son | — | South Carolina |
| 52 | Martha Edwards | 7 | Daughter | — | South Carolina |
| 53 | Herman J. G. Ritter | 54 | Head | Laborer | South Carolina |
| 54 | Ruth Ritter | 44 | Wife | — | South Carolina |
| 55 | Archelaus Ritter | 17 | Son | — | South Carolina |
| 56 | Henry Ritter | 15 | Son | — | South Carolina |
| 57 | Mary Louise Ritter THIS PERSON | 13 | Daughter | — | South Carolina |
| 58 | Amalie Ruth Ritter | 11 | Daughter | — | South Carolina |
| 59 | Margret Ritter | 9 | Daughter | — | South Carolina |
| 60 | Robert Ritter | 3 | Son | — | South Carolina |
| 61 | John H. Schwicke | 68 | Head | Farmer | South Carolina |
| 62 | Johannah Schwicke | 66 | Wife | — | South Carolina |
| 63 | Will Moss | 50 | Head | Farmer | Georgia |
| 64 | Madge Moss | 35 | Wife | — | Georgia |
| 65 | Dewey Moss | 11 | Son | — | South Carolina |
| 66 | George C. King | 66 | Head | Farmer | South Carolina |
| 67 | Sue Eunice King | 54 | Wife | — | South Carolina |
| 68 | Catherine King | 17 | Granddaughter | Housekeeper | South Carolina |
| 69 | James Lewis King | 3 | Grandson | — | South Carolina |
| 70 | John Harvey | 60 | Head | Farmer | South Carolina |
| 71 | Dora Harvey | 62 | Wife | — | South Carolina |
| 72 | Julia Harvey | 27 | Daughter | — | South Carolina |
| 73 | John Harvey | 17 | Grandson | Farmer | South Carolina |
| 74 | Betty Jean Harvey | 5 | Granddaughter | — | South Carolina |
| 75 | Charles Harvey | 29 | Head | Farmer | South Carolina |
| 76 | Jessie Mae Harvey | 25 | Wife | — | South Carolina |
| 77 | Charles Junior Harvey | 6 | Son | — | South Carolina |
| 78 | Francis Harvey | 3 | Daughter | — | South Carolina |
| 79 | Charles Harvey | 0 | Son | — | South Carolina |
| 80 | J. S. Vistinehuter | 52 | Head | Farmer | South Carolina |
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)