MR
Mary Ritter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Ritter across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Ritter |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | Yes 8 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| 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 |
|---|---|---|---|---|
| Lawrence Ritter | Head | — | 52 | ~1888 |
| Mary Ritter | Daughter | — | 13 | ~1927 |
| Sherrill Ritter | Son | — | 29 | ~1911 |
| Sherrill Ritter | Other | — | 7 | ~1933 |
| Ruth Ritter | Other | — | 27 | ~1913 |
| William Vaught | Other | — | 24 | ~1916 |
| John Ritter | Other | — | 5 | ~1935 |
| Minnie Ritter | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 3
Jefferson, Kentucky · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ritter |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 13
Jefferson-County, Kentucky · implied b. ~1927 — 8 household members
| Surname | Ritter |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | Yes 8 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 · Kentucky
★ You are viewing this record
Sibling
Sherrill Ritter
Sibling · 1940 · age 29
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01376-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Matilda Cooper | 54 | Wife | — | Kentucky |
| 42 | George Cooper | 25 | Son | Laborer | Kentucky |
| 43 | Ellen Cooper | 24 | Daughter | Saleslady | Kentucky |
| 44 | Harry J. Jr. Cooper | 18 | Son | Stockboy | Kentucky |
| 45 | Thomas Cooper | 22 | Son | Machinist | Kentucky |
| 46 | Melvina Cooper | 21 | Daughter-in-law | — | Kentucky |
| 47 | Patrick Cooper | 0 | Grandson | — | Kentucky |
| 48 | Lawrence Ritter | 52 | Head | Laborer | Kentucky |
| 49 | Minnie Ritter | 50 | Wife | — | Kentucky |
| 50 | Mary E. Ritter THIS PERSON | 13 | Daughter | — | Kentucky |
| 51 | Sherrill Ritter | 29 | Son | Salesman | Kentucky |
| 52 | Ruth Ritter | 27 | Daughter-in-law | — | Kentucky |
| 53 | Sherrill Jr. Ritter | 7 | Grandson | — | Kentucky |
| 54 | John L. Ritter | 5 | Grandson | — | Kentucky |
| 55 | William Vaught | 24 | Boarder | Salesman | Kentucky |
| 56 | William Hayes | 31 | Head | Salesman | Kentucky |
| 57 | Eula Hayes | 30 | Wife | — | Kentucky |
| 58 | Evelyn Hayes | 5 | Daughter | — | Kentucky |
| 59 | Edward L. Taylor | 37 | Head | Millwright | Kentucky |
| 60 | Elizabeth Taylor | 43 | Wife | — | Kentucky |
| 61 | Howard O. Tracy | 35 | Head | Fireman | Michigan |
| 62 | Violet Tracy | 33 | Wife | Operator | Kentucky |
| 63 | Howard Jr. Tracy | 11 | Son | — | Kentucky |
| 64 | Marlene Tracy | 4 | Daughter | — | Michigan |
| 65 | Robert Batchelder | 43 | Head | Assistant Superintendent | Kentucky |
| 66 | Rachel Batchelder | 41 | Wife | — | Kentucky |
| 67 | Evelyn Batchelder | 17 | Daughter | — | Kentucky |
| 68 | Roy Owen | 37 | Head | Truckdriver | Kentucky |
| 69 | Addie Owen | 37 | Wife | — | Kentucky |
| 70 | Jean Owen | 15 | Son | — | Kentucky |
| 71 | Rosa Lee Owen | 14 | Daughter | — | Kentucky |
| 72 | George Owen | 11 | Son | — | Kentucky |
| 73 | Carl Owen | 1 | Son | — | Kentucky |
| 74 | — | None | — | — | — |
| 75 | John H. Schmitt | 39 | Head | Postal Clerk | Kentucky |
| 76 | Anne Schmitt | 31 | Wife | — | Kentucky |
| 77 | Shirley Anne Schmitt | 2 | Daughter | — | Kentucky |
| 78 | Virginia Schmitt | 0 | Daughter | — | Kentucky |
| 79 | Herbert L. Taylor | 52 | Head | Foreman | Kentucky |
| 80 | Ora L. Taylor | 56 | Wife | — | Kentucky |
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)