MH
Mary Haas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Phelps-County, Missouri
Our Model Tree links this Mary Haas across the 1920, 1930 and 1940 US Censuses in Phelps-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 5-person household.
Age 49
b. ~1891
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Phelps-County, Missouri |
| Surname | Haas |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Rolla City |
| 1935 Residence (County) | Phelps |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Rolla City |
| Est. Birth Year | ~1891 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Haas | Son | — | 22 | ~1918 |
| Arnold Haas | Head | — | 55 | ~1885 |
| Paul Haas | Son | — | 10 | ~1930 |
| Myrtle Haas | Daughter | — | 18 | ~1922 |
| Mary Haas | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Phelps, Missouri
Spouse, age 29
Phelps, Missouri · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hass |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Phelps, Missouri
Spouse, age 39
Phelps, Missouri · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Phelps-County, Missouri
Spouse, age 49
Phelps-County, Missouri · implied b. ~1891 — 5 household members
| Surname | Haas |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Rolla City |
| 1935 Residence (County) | Phelps |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 49 · b. ~1891 · Missouri
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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 — Phelps-County, Missouri
Open full size
1940 US Federal Census — Phelps-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02140-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roman E. Hickman | 65 | Head | Printer | Missouri |
| 2 | Minnie W. Hickman | 66 | Wife | — | Missouri |
| 3 | James J. Hickman | 46 | Son | Salesman | Missouri |
| 4 | Leo J. Ullrich | 36 | Head | Farmer | Indiana |
| 5 | Pauline M. Ullrich | 28 | Wife | — | Missouri |
| 6 | Cecelia M. Ullrich | 8 | Daughter | — | Missouri |
| 7 | Agusta A. Ullrich | 7 | Daughter | — | Missouri |
| 8 | Alexander A. Ullrich | 6 | Daughter | — | Missouri |
| 9 | Edward L. Ullrich | 5 | Son | — | Missouri |
| 10 | Edwin E. Burrell | 35 | Head | Owner | Nebraska |
| 11 | Mabel L. Burrell | 33 | Wife | — | Dakota |
| 12 | Rudolph E. Burrell | 7 | Son | — | Dakota |
| 13 | Darlene A. Burrell | 4 | Daughter | — | Missouri |
| 14 | Mary J. Burrell | 2 | Daughter | — | Missouri |
| 15 | Gerald P. Donigan | 29 | Head | Owner | Nebraska |
| 16 | Marjorie Donigan | 22 | Wife | — | Dakota |
| 17 | William E. Mcewen | 61 | Head | Laborer | Missouri |
| 18 | Mary E. Mcewen | 57 | Wife | — | Missouri |
| 19 | Leslie L. Rueppel | 31 | Head | Laborer | Missouri |
| 20 | Emma H. Rueppel | 28 | Wife | — | Missouri |
| 21 | Robert L. Rueppel | 6 | Son | — | Missouri |
| 22 | Clara A. Rueppel | 4 | Daughter | — | Missouri |
| 23 | Fern G. Rueppel | 2 | Daughter | — | Missouri |
| 24 | Doris M. Rueppel | 1 | Daughter | — | Missouri |
| 25 | John Y. Ruppel | 63 | Head | Farmer | New Jersey |
| 26 | Josephine L. Ruppel | 60 | Wife | — | Missouri |
| 27 | Ivan A. Ruppel | 30 | Son | Farm Laborer | Missouri |
| 28 | Robert E. Cadwalender | 74 | Head | Laborer | Virginia |
| 29 | Eliza J. Cadwalender | 64 | Wife | — | Missouri |
| 30 | James R. Gideon | 76 | Head | — | Kentucky |
| 31 | Homer E. Gideon | 30 | Son | Owner | Missouri |
| 32 | Bertha M. Gideon | 47 | Daughter | — | Missouri |
| 33 | Arnold G. Haas | 55 | Head | Farmer | Wisconsin |
| 34 | Mary A. Haas THIS PERSON | 49 | Wife | — | Missouri |
| 35 | Gilbert G. Haas | 22 | Son | — | Missouri |
| 36 | Myrtle G. Haas | 18 | Daughter | Waitress | Missouri |
| 37 | Paul A. Haas | 10 | Son | — | Missouri |
| 38 | Ernest G. Card | 65 | Head | Salesman | Arkansas |
| 39 | William L. Horton | 55 | Head | Laborer | Missouri |
| 40 | Myrtle E. Horton | 44 | Wife | House Keeper | Missouri |
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)