ME
Mary Eckert — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Eckert across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Eckert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Eckert | Son | — | 21 | ~1909 |
| Anthony Eckert | Son | — | 18 | ~1912 |
| Victor Eckert | Son | — | 14 | ~1916 |
| Mary Eckert | Daughter | — | 11 | ~1919 |
| Elizabeth Eckert | Head | — | 55 | ~1875 |
| Charles Eckert | Son | — | 15 | ~1915 |
| George Eckert | Son | — | 25 | ~1905 |
| Otto Eckert | Son | — | 20 | ~1910 |
Census Appearances
1930
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1919 — 8 household members
| Surname | Eckert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 22
Cook-County, Illinois · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Eckert |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Soap Packer |
| Industry | Cleaning |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 192 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Eckert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Eckert
Daughter · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
George Eckert
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otto Eckert
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Eckert
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Eckert
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Eckert
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Eckert
Sibling · 1930 · age 14
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
47 people indexed on this census page (ia:1930:illinoiscensus00reel487:0348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Theodore Scott | 37 | Head | Checker | Iowa |
| 52 | Ella Scott | 33 | Wife | — | Illinois |
| 53 | Edward Scott | 13 | Son | — | Iowa |
| 55 | Otto R. Jarr | 42 | Head | Motorman | Illinois |
| 56 | Mae Jarr | 42 | Wife | — | Illinois |
| 57 | Ralph H. Jarr | 19 | Son | Clerk | Illinois |
| 58 | Charles A. Jarr | 15 | Son | — | Illinois |
| 59 | Charles Freund | 46 | Head | Woodworker | Illinois |
| 60 | Rose Freund | 47 | Wife | — | Illinois |
| 61 | Henry Bock | 20 | Head | Clerk | Illinois |
| 62 | Ruth Bock | 20 | Wife | — | Illinois |
| 63 | Raymond Bock | 1 | Son | — | Illinois |
| 64 | Elizabeth Langfeld | 48 | Head | — | Illinois |
| 65 | Leona Langfeld | 23 | Daughter | Stenographer | Illinois |
| 66 | Louis Langfeld | 21 | Son | Statistical Clerk | Illinois |
| 67 | Clarence Langfeld | 18 | Son | Stenographer | Illinois |
| 68 | Anthony Langfeld | 12 | Son | — | Illinois |
| 69 | Marcella Langfeld | 7 | Daughter | — | Illinois |
| 70 | Michael Massard | 38 | Head | Bricklayer | Illinois |
| 71 | Mary Massard | 41 | Wife | — | Illinois |
| 72 | Marie Massard | 13 | Daughter | — | Illinois |
| 73 | Raymond Massard | 10 | Son | — | Illinois |
| 74 | Elizabeth Eckert | 55 | Head | — | New York |
| 75 | George Eckert | 25 | Son | Helper | Illinois |
| 76 | Frank Eckert | 21 | Son | Helper | Illinois |
| 77 | Otto Eckert | 20 | Son | Finisher | Illinois |
| 78 | Anthony Eckert | 18 | Son | General Office Work | Illinois |
| 79 | Charles Eckert | 15 | Son | — | Illinois |
| 80 | Victor Eckert | 14 | Son | — | Illinois |
| 81 | Mary Eckert THIS PERSON | 11 | Daughter | — | Illinois |
| 82 | Elmer Sundstrom | 31 | Head | Furniture Mover | Illinois |
| 83 | Rosalind Sundstrom | 22 | Wife | — | Illinois |
| 84 | Elmer Sundstrom | 2 | Son | — | Illinois |
| 85 | Harold Sundstrom | 11 | Son | — | Illinois |
| 86 | Leo Hopp | 55 | Head | Bill Distributor | Indiana |
| 87 | Louise Hopp | 33 | Wife | — | Illinois |
| 88 | Salvador Tavera | 39 | Boarder | Waiter | Mexico |
| 89 | Irvin Eckert | 24 | Head | Salesman | Illinois |
| 90 | Dorothea Eckert | 20 | Wife | — | Illinois |
| 91 | Irene Eckert | 3 | Daughter | — | Illinois |
| 92 | William Berg | 35 | Head | Auto Repair | Illinois |
| 93 | Elizabeth Berg | 32 | Wife | — | Illinois |
| 94 | Fred Wulf | 58 | Head | Sewer Builder | Germany |
| 95 | Lizzie Wulf | 49 | Wife | — | Germany-Kiel |
| 96 | Adam Yoch | 57 | Head | Baker | Pennsylvania |
| 97 | Lillian Yoch | 49 | Wife | — | Pennsylvania |
| 98 | Lillian Yoch | 19 | Daughter | — | 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)