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Mary Walter — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Walter across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 6
b. ~1924
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Walter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Jugo Slavia |
| Mother's Birthplace | Jugo Slavia |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lena Walter | Daughter | — | 5 | ~1925 |
| Anton Anton | Other | — | 67 | ~1863 |
| Mary Walter | Daughter | — | 6 | ~1924 |
| John Walter | Son | — | 2 | ~1928 |
| Magdalena Anton | Other | — | 65 | ~1865 |
| Anton Walter | Head | — | 31 | ~1899 |
| Anton Walter | Son | — | 3 | ~1927 |
| Catherine Walter | Daughter | — | ~1930 | |
| Mary Walter | Other | — | 31 | ~1899 |
Census Appearances
1930
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1924 — 9 household members
| Surname | Walter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Jugo Slavia |
| Mother's Birthplace | Jugo Slavia |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 17
Cook-County, Illinois · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Walter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Walter
Daughter · 1930 · age 6 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Lena Walter
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anton Walter
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Walter
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Walter
Sibling · 1930 · age 2
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel437:0941)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antonio Santos | 35 | Head | Waiter | Texas |
| 2 | Margarita Santos | 28 | Wife-H | — | Mexico |
| 3 | Matharia Santos | 13 | Daughter | — | Oklahoma |
| 4 | Elena Santos | 11 | Daughter | — | Illinois |
| 5 | Consuelo Santos | 8 | Daughter | — | Illinois |
| 6 | Antonio D Santos | 7 | Son | — | Illinois |
| 7 | David Santos | 5 | Son | — | Illinois |
| 8 | Maria M. Santos | 4 | Daughter | — | Illinois |
| 9 | Iona Santos | 0 | Daughter | — | Illinois |
| 10 | Frances Hernandez | 47 | Mother-in-law | — | Mexico |
| 11 | Juan M Hernandez | 50 | Father-in-law | Laborer | Mexico |
| 12 | Salvador Aguilar | 28 | Roomer | Laborer | Mexico |
| 13 | Jesus Flores | 25 | Roomer | Laborer | Mexico |
| 14 | James Lane | 36 | Head | Chauffeur | Illinois |
| 15 | Michael Lane | 36 | Lodger | Chemist | Irish Free State |
| 16 | John Sommer | 63 | Head | Proprietor | Austria |
| 17 | Elizabeth Sommer | 56 | Wife-H | — | Germany |
| 18 | Conrad Schrank | 53 | Head | Motor Repairer | Wisconsin |
| 19 | Lillian Schrank | 48 | Wife-H | — | Illinois |
| 20 | Billy Schrank | 22 | Daughter | — | Illinois |
| 21 | Laura Schrank | 29 | Sister | Typist | Wisconsin |
| 22 | Hazel Schrank | 22 | Sister | Saleswoman | Wisconsin |
| 23 | Robert Schrank | 20 | Brother | Motor Repairer | Wisconsin |
| 24 | Joseph Tan | 52 | Head | Proprietor | Michigan |
| 25 | Walter Mccrory | 45 | Roomer | Watchman | Maryland |
| 26 | Stanley Drobinkski | 41 | Head | Boiler Maker | Poland |
| 27 | Matthew Drobinkski | 14 | Son | — | Illinois |
| 28 | Stanley Drobinkski | 12 | Son | — | Illinois |
| 29 | Peter Drobinkski | 11 | Son | — | Illinois |
| 30 | William Drobinkski | 10 | Son | — | Illinois |
| 31 | Bernhardt Teitzke | 40 | Head | Ham Weaver | Germany |
| 32 | Jennie Teitzke | 42 | Wife-H | Saleswoman | Canada English |
| 33 | Raymond Teitzke | 15 | Son | — | Illinois |
| 34 | Anton Walter | 31 | Head | Agent | Jugo Slavia |
| 35 | Mary Walter | 31 | Wife-H | — | Jugo Slavia |
| 36 | Mary Walter THIS PERSON | 6 | Daughter | — | Illinois |
| 37 | Lena S Walter | 5 | Daughter | — | Illinois |
| 38 | Anton C Walter | 3 | Son | — | Illinois |
| 39 | John Walter | 2 | Son | — | Illinois |
| 40 | Catherine E Walter | 0 | Daughter | — | Illinois |
| 41 | Anton Anton | 67 | Father | Proprietor | Jugo Slavia |
| 42 | Magdalena Anton | 65 | Mother | — | Jugo Slavia |
| 43 | Henry C Miller | 43 | Head | Proprietor | Illinois |
| 44 | Andrea A Miller | 33 | Wife-H | — | Illinois |
| 45 | Edward C Miller | 9 | Son | — | Illinois |
| 46 | George Kering | 61 | Father-in-law | Elevator Operator | Germany |
| 47 | Philip Kering | 24 | Brother-in-law | Conductor | Illinois |
| 48 | Joseph Sturbitsch | 56 | Head | Laborer | Austria |
| 49 | Mary Sturbitsch | 44 | Wife-H | — | Austria |
| 50 | Mary Sturbitsch | 22 | Daughter | Saleswoman | Illinois |
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)