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Mary Haas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clinton-County, Illinois
Our Model Tree links this Mary Haas across the 1920, 1930 and 1940 US Censuses in Clinton-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 9-person household.
Age 54
b. ~1886
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Illinois |
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Trenton city |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1886 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Loretta Haas | Daughter | — | 15 | ~1925 |
| Verdina Haas | Daughter | — | 23 | ~1917 |
| Mary Haas | Spouse | — | 54 | ~1886 |
| Virginia Haas | Daughter | — | 18 | ~1922 |
| William Haas | Son | — | 20 | ~1920 |
| Frank Haas | Son | — | 27 | ~1913 |
| Frank Haas | Head | — | 58 | ~1882 |
| Margaret Haas | Daughter | — | 25 | ~1915 |
| Arthur Haas | Son | — | 21 | ~1919 |
Census Appearances
1920
Clinton, Illinois
Spouse, age 34
Clinton, Illinois · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Clinton, Illinois
Spouse, age 44
Clinton, Illinois · implied b. ~1886 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clinton-County, Illinois
Spouse, age 54
Clinton-County, Illinois · implied b. ~1886 — 9 household members
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Trenton city |
| 1935 Residence (County) | Clinton |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 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 Haas 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 Haas
Spouse · 1940 · age 54 · b. ~1886 · 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 — Clinton-County, Illinois
Open full size
1940 US Federal Census — Clinton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00770-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Appel | 56 | Wife | — | Missouri |
| 42 | Edith Appel | 19 | Daughter | — | Illinois |
| 43 | Eunice Appel | 16 | Daughter | — | Illinois |
| 44 | Walter H. Appel | 9 | Son | — | Illinois |
| 45 | David Hames | 65 | Head | — | Illinois |
| 46 | Margaret Benedict | 30 | Niece | Teacher | Illinois |
| 47 | Charles Kelly | 76 | Head | Retired | Illinois |
| 48 | Agnes Kelly | 77 | Wife | — | Illinois |
| 49 | Ethel Kelly | 38 | Daughter | Housework | Illinois |
| 50 | Anna Mclead | 57 | Niece | — | Illinois |
| 51 | George Hartley | 82 | Head | Agent | Missouri |
| 52 | Molly Hartley | 72 | Wife | — | Illinois |
| 53 | Glenn Hartley | 42 | Son | Agent | Illinois |
| 54 | Henry Saithoff | 48 | Head | Manager | Iowa |
| 55 | Helen Saithoff | 42 | Wife | — | Illinois |
| 56 | Edgerton Saithoff | 13 | Son | — | Illinois |
| 57 | Shirley Saithoff | 9 | Son | — | Illinois |
| 58 | Louis Geissert | 33 | Head | Carpenter | Illinois |
| 59 | Eugenia Geissert | 31 | Wife | — | Illinois |
| 60 | Nancy Jo Geissert | 3 | Daughter | — | Illinois |
| 61 | Janet Geissert | 1 | Daughter | — | Illinois |
| 62 | William Reichman | 61 | Head | Salesman | Illinois |
| 63 | Cordelia Reichman | 60 | Wife | — | Illinois |
| 64 | Ella Thurman | 48 | Head | — | Illinois |
| 65 | Carrie Thurman | 26 | Daughter | — | Illinois |
| 66 | Ralph Thurman | 23 | Son | Truck Driver | Illinois |
| 67 | Mary Kochler | 75 | Head | — | Illinois |
| 68 | Julia Kochler | 63 | Sister | — | Illinois |
| 69 | Herman Hanke | 57 | Head | General Work | Illinois |
| 70 | Amelia Hanke | 49 | Wife | — | Missouri |
| 71 | — | None | — | — | — |
| 72 | Frank Haas | 58 | Head | Common Labor | Illinois |
| 73 | Mary Haas THIS PERSON | 54 | Wife | — | Illinois |
| 74 | Frank Jr. Haas | 27 | Son | Concret Mixer | Illinois |
| 75 | Margaret Haas | 25 | Daughter | General Work | Illinois |
| 76 | Verdina Haas | 23 | Daughter | House Work | Illinois |
| 77 | Arthur Haas | 21 | Son | Fireman | Illinois |
| 78 | William Haas | 20 | Son | Janitor | Illinois |
| 79 | Virginia Haas | 18 | Daughter | General Work | Illinois |
| 80 | Loretta Haas | 15 | Daughter | House Work | Illinois |
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)