MR
Mary Ritter — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Mary Ritter across the 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 6-person household.
Age 11
b. ~1919
Female
Daughter
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Ritter |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Audubon Park |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Ritter | Head | — | 43 | ~1887 |
| Sal Ritter | Daughter | — | 3 | ~1927 |
| Frank Ritter | Son | — | 6 | ~1924 |
| Lula Ritter | Spouse | — | 43 | ~1887 |
| Helen Ritter | Daughter | — | 8 | ~1922 |
| Mary Ritter | Daughter | — | 11 | ~1919 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 11
Jefferson, Kentucky · implied b. ~1919 — 6 household members
| Surname | Ritter |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 21
Jefferson-County, Kentucky · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ratter |
| Given Name | Mary Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Audubon Park |
| 1935 Residence (County) | Jefferson |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| 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 · 1930 · age 11 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Helen Ritter
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Ritter
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sal Ritter
Sibling · 1930 · 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
1930 US Federal Census — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel752:0573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James D Ray | 45 | Head | Executive | Kentucky |
| 2 | Agnes D Ray | 39 | Wife | — | Kentucky |
| 3 | Sue Ray | 7 | Daughter | — | Kentucky |
| 4 | Jamie B Webb | 50 | Servant | Servant | Kentucky |
| 5 | Adeline M Wood | 15 | Servant | Servant | Kentucky |
| 6 | Peter B Lanham | 55 | Head | Executive | Kentucky |
| 7 | Helen T Lanham | 53 | Wife | — | Kentucky |
| 8 | Peter B Jr Lanham | 23 | Son | Executive | Kentucky |
| 9 | Lunsford Lanham | 22 | Son | Servant | Kentucky |
| 10 | Joseph Shafer | 59 | Head | Doctor | Kentucky |
| 11 | Elma R Shafer | 48 | Wife | — | Kentucky |
| 12 | Peter Shafer | 12 | Son | — | Kentucky |
| 13 | Odie M Rivers | 35 | Servant | Servant | Kentucky |
| 14 | J Hunt Holzman | 42 | Head | Proprietor | Kentucky |
| 15 | Bessie Holzman | 41 | Wife | — | Missouri |
| 16 | Lillian Holzman | 18 | Daughter | — | Kentucky |
| 17 | Lloyd E First | 39 | Head | Executive | Ohio |
| 18 | Dora D First | 30 | Wife | — | Texas |
| 19 | June First | 9 | Daughter | — | Kentucky |
| 20 | Lloyd Jr First | 6 | Son | — | Kentucky |
| 21 | Scott Durham | 69 | Father-in-law | — | Georgia |
| 22 | Earl Durham | 58 | Brother-in-law | — | Tennessee |
| 23 | Jewell Durham | 22 | Sister-in-law | Stenographer | Georgia |
| 24 | F James Gillette | 60 | Head | Traveler|Traveling Salesman | Kentucky |
| 25 | Thomas P Bradley | 55 | Boarder | — | Kentucky |
| 26 | Tillie B Bradley | 47 | Boarder | Bookkeeper | Indiana |
| 27 | Gilbert B Brownell | 48 | Head | Manager | Kentucky |
| 28 | Miriam G Brownell | 41 | Wife | — | Kentucky |
| 29 | Harry G Brownell | 69 | Father-in-law | Electrician | Vermont |
| 30 | James B Slaughter | 33 | Head | Bookkeeper | Kentucky |
| 31 | Maude Slaughter | 33 | Wife | — | Kentucky |
| 32 | Clara J Slaughter | 3 | Daughter | — | Kentucky |
| 33 | John V Lansing | 37 | Head | Executive | Tennessee |
| 34 | Ethel B Lansing | 27 | Wife | — | Kentucky |
| 35 | John Mc Lansing | 2 | Son | — | Kentucky |
| 36 | Leila V Lansing | 0 | Daughter | — | Kentucky |
| 37 | Minnie Hawkins | 22 | Servant | Servant | Kentucky |
| 38 | W Ray Moss | 31 | Head | Executive | Kentucky |
| 39 | Margaret H Moss | 32 | Wife | — | Kentucky |
| 40 | Mary H Moss | 5 | Daughter | — | Kentucky |
| 41 | Hallie R Moss | 58 | Mother | — | Kentucky |
| 42 | Frank Ritter | 43 | Head | Doctor | Indiana |
| 43 | Lula M Ritter | 43 | Wife | — | Indiana |
| 44 | Mary M Ritter THIS PERSON | 11 | Daughter | — | Kentucky |
| 45 | Helen J Ritter | 8 | Daughter | — | Kentucky |
| 46 | Frank K Ritter | 6 | Son | — | Kentucky |
| 47 | Sal Ann Ritter | 3 | Daughter | — | Kentucky |
| 48 | Kenneth P Reutlinger | 65 | Head | — | Kentucky |
| 49 | Elizabeth Reutlinger | 60 | Wife | — | Kentucky |
| 50 | Norbert F Reutlinger | 31 | Son | Broker | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)