MH
Mary Herman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Herman across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Female
Spouse
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1884 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Herman | Spouse | — | 56 | ~1884 |
| Joseph Herman | Son | — | 27 | ~1913 |
| Joseph Herman | Head | — | 61 | ~1879 |
Census Appearances
1920
Cook, Illinois
Spouse, age 36
Cook, Illinois · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Hungary |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Laundress |
| Industry | Private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1930
Cook, Illinois
Spouse, age 44
Cook, Illinois · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 14 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Cook-County, Illinois
Spouse, age 56
Cook-County, Illinois · implied b. ~1884 — 3 household members
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Herman
Spouse · 1940 · age 56 · b. ~1884 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00951-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Teresa Boehme | 34 | Daughter | Candy Packer | Austria |
| 2 | Francis Boehme | 33 | Head | Auto Parts Stock Clerk | Illinois |
| 3 | Teresa Boehme | 29 | Wife | — | Illinois |
| 4 | Patricia Boehme | 8 | Daughter | — | Illinois |
| 5 | Jane Boehme | 6 | Daughter | — | Illinois |
| 6 | Caroline Boehme | 2 | Daughter | — | Illinois |
| 7 | Charles Boehme | 0 | Son | — | Illinois |
| 8 | James J. Hanek | 40 | Head | Truck Driver | Illinois |
| 9 | Julia Hanek | 35 | Wife | — | Illinois |
| 10 | Joan Hanek | 8 | Daughter | — | Illinois |
| 11 | Henry Wind | 50 | Head | Bricklayer | Austria |
| 12 | Bertha Wind | 44 | Wife | — | Austria |
| 13 | William Wind | 17 | Son | — | Illinois |
| 14 | Anna Wind | 13 | Daughter | — | Illinois |
| 15 | William T. Donovan | 34 | Head | Police Officer | Illinois |
| 16 | May Donovan | 32 | Wife | — | Illinois |
| 17 | Daniel Donovan | 2 | Son | — | Illinois |
| 18 | Joseph Herman | 61 | Head | Carpenter | Hungary |
| 19 | Mary Herman THIS PERSON | 56 | Wife | — | Hungary |
| 20 | Joseph Herman | 27 | Son | Book Binder | Illinois |
| 21 | Nicholas Kot | 44 | Head | Riveter | Austria |
| 22 | Barbara Kot | 38 | Wife | Janitress | Austria |
| 23 | Joseph Kot | 17 | Son | — | Illinois |
| 25 | Lewis Herman | 32 | Head | Cosmetic Chemist | Michigan |
| 26 | Edna Herman | 27 | Wife | — | Illinois |
| 27 | Paul Herman | 1 | Son | — | Illinois |
| 28 | Peter Krawczyk | 38 | Head | Machinist | Illinois |
| 29 | Stella Krawczyk | 36 | Wife | Laborer | Poland |
| 30 | Robert Krawczyk | 13 | Daughter | — | Illinois |
| 31 | Joseph Kein | 57 | Head | Civil Engineer | Illinois |
| 32 | Anna M. Kein | 52 | Wife | — | Nebraska |
| 33 | August Kein | 29 | Son | Bookkeeper | Illinois |
| 34 | Edward Kein | 25 | Son | Laborer | Illinois |
| 35 | Robert Kein | 22 | Son | Wood Worker | Illinois |
| 36 | Catherine Kein | 15 | Daughter | — | Illinois |
| 37 | Sallie Wysocki | 61 | Head | — | Lithuania |
| 38 | Jean Wysocki | 24 | Daughter | Entering Clerk | Illinois |
| 39 | Arthur Holtz | 36 | Head | Dairy Supt. | Wisconsin |
| 40 | Merle Holtz | 26 | Wife | Saleswoman | Wisconsin |
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)