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Mary Herman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Herman across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Office |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office |
| Township / Ward | Cicero Town |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Void Herman | Other | — | — | |
| Ruth Herman | Daughter | — | 21 | ~1909 |
| Roy Herman | Daughter | — | 11 | ~1919 |
| Emily Herman | Son | — | 19 | ~1911 |
| Max Herman | Head | — | 44 | ~1886 |
| Mary Herman | Daughter | — | 17 | ~1913 |
| Martha Herman | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Cook, Illinois
Daughter, age 17
Cook, Illinois · implied b. ~1913 — 7 household members
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Office |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 28
Cook-County, Illinois · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Horman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 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 Herman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Herman
Daughter · 1930 · age 17 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Roy Herman
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Herman
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Herman
Sibling · 1930 · age 19
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:illinoiscensus00reel498:0479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ray Herman | 28 | Boarder | Carpenter | Czechoslovakia |
| 52 | Max Herman | 44 | Head | Upholsterer | Illinois |
| 53 | Martha Herman | 41 | Wife | — | Illinois |
| 54 | Ruth Herman | 21 | Daughter | Office | Illinois |
| 55 | Emily Herman | 19 | Son | Helper Hand | Illinois |
| 56 | Mary Herman THIS PERSON | 17 | Daughter | Office | Illinois |
| 57 | Roy Herman | 11 | Daughter | — | Illinois |
| 58 | Void Herman | None | — | — | — |
| 59 | Joseph Golus | 25 | Head | Painter | Illinois |
| 60 | Anna Golus | 24 | Wife | — | Illinois |
| 61 | Mary Golus | 2 | Daughter | — | Illinois |
| 62 | Katherine Krantz | 42 | Head | — | Illinois |
| 63 | Edward Krantz | 22 | Son | Installer | Illinois |
| 64 | John Golus | 58 | Head | Silverer | Czechoslovakia |
| 65 | Helen Golus | 54 | Wife | — | Nebraska |
| 66 | Walter Winters | 33 | Son-in-law | Salesman | Illinois |
| 67 | Lillian Winters | 30 | Daughter | — | Illinois |
| 68 | Helen Winters | 7 | Granddaughter | — | Illinois |
| 69 | Walter Winters | 5 | Grandson | — | Illinois |
| 70 | Frank Hvoreck | 54 | Head | Chain Maker | Czechoslovakia |
| 71 | Antonia Hvoreck | 50 | Wife | — | Czechoslovakia |
| 72 | Helen Hvoreck | 23 | Daughter | Office | Illinois |
| 73 | Frank Hvoreck | 15 | Son | Apprentice | Illinois |
| 74 | Joseph Hvoreck | 13 | Son | — | Illinois |
| 75 | Jerry Halacek | 30 | Head | Carpenter | Illinois |
| 76 | Valaria Halacek | 29 | Wife | — | Czechoslovakia |
| 77 | Valaria Halacek | 4 | Daughter | — | Illinois |
| 78 | Frank Brzek | 42 | Head | Carpenter | Czechoslovakia |
| 79 | Hermina Brzek | 42 | Wife | — | Czechoslovakia |
| 80 | Jerry Brzek | 19 | Son | Office | Illinois |
| 81 | Jerry Halacek | 55 | Head | — | Czechoslovakia |
| 82 | Albert Halacek | 32 | Son | Electrician | Illinois |
| 83 | Agnes Halacek | 21 | Daughter | Clerk | Illinois |
| 84 | Frank Halacek | 26 | Son | Chauffeur | Illinois |
| 85 | Dorothy Halacek | 9 | Daughter | — | Illinois |
| 86 | Edward Matzel | 27 | Head | Postal | Illinois |
| 87 | Mary Matzel | 23 | Wife | — | Illinois |
| 88 | Katherine Matzel | 3 | Daughter | — | Illinois |
| 89 | Jean Matzel | 1 | Daughter | — | Illinois |
| 90 | Loretta Hansen | 21 | Boarder | Clerk | Illinois |
| 91 | Geraldine Hansen | 18 | Boarder | Worker | Illinois |
| 92 | Evelyn Hansen | 12 | Boarder | — | Illinois |
| 93 | Jerry Blaha | 52 | Head | Machinist | Czechoslovakia |
| 94 | Caroline Blaha | 49 | Wife | — | Czechoslovakia |
| 95 | Caroline Blaha | 23 | Daughter | — | Illinois |
| 96 | George Blaha | 20 | Son | Brick Layer | Illinois |
| 97 | Adolph Frank | 30 | Head | Clerk | Illinois |
| 98 | Marguerite Frank | 28 | Wife | — | Illinois |
| 99 | Patricia Frank | 5 | Daughter | — | Illinois |
| 100 | Frank Coch | 50 | Head | — | Yugoslavia |
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)