MH
Mary Haas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monongalia-County, West Virginia
Our Model Tree links this Mary Haas across the 1920, 1930 and 1940 US Censuses in Monongalia-County, West Virginia (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 6-person household.
Age 60
b. ~1880
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monongalia-County, West Virginia |
| Surname | Haas |
| Given Name | Mary N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Morgantown |
| 1935 Residence (County) | Monongalia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Morgantown |
| Est. Birth Year | ~1880 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Delores Haas | Other | — | 9 | ~1931 |
| Minnie Haas | Other | — | 31 | ~1909 |
| Junior Haas | Son | — | 11 | ~1929 |
| Milton Haas | Head | — | 63 | ~1877 |
| Jessie Haas | Son | — | 34 | ~1906 |
| Mary Haas | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Monongalia, West …
Spouse, age 40
Monongalia, West Virginia · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Monongalia, West …
Spouse, age 50
Monongalia, West Virginia · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | Mary G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Monongalia-County, West …
Spouse, age 60
Monongalia-County, West Virginia · implied b. ~1880 — 6 household members
| Surname | Haas |
| Given Name | Mary N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Morgantown |
| 1935 Residence (County) | Monongalia |
| Naturalization Status | Naturalized |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 60 · b. ~1880 · West Virginia
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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 — Monongalia-County, West Virginia
Open full size
1940 US Federal Census — Monongalia-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04433-00054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Cavanaugh | 43 | Head | Foreman | Pennsylvania |
| 42 | Patricia Cavanaugh | 10 | Daughter | — | Pennsylvania |
| 43 | Rhoda Cavanaugh | 9 | Daughter | — | Pennsylvania |
| 44 | Joseph Cavanaugh | 3 | Son | — | Pennsylvania |
| 45 | Kathleen Cavanaugh | 1 | Daughter | — | Pennsylvania |
| 46 | James Cavanaugh | 52 | Brother | Foreman | Pennsylvania |
| 47 | Milton B.W. Haas | 63 | Head | Loader | Virginia |
| 48 | Mary N. Haas THIS PERSON | 60 | Wife | — | Sweden |
| 49 | Jessie O. Haas | 34 | Son | Warehouse Clerk | West Virginia |
| 50 | Minnie Haas | 31 | Daughter-in-law | Switchboard Operator | West Virginia |
| 51 | Junior F. Haas | 11 | Son | — | West Virginia |
| 52 | Delores Haas | 9 | Granddaughter | — | West Virginia |
| 53 | George Mohle | 35 | Head | Dry Cleaning | New York |
| 54 | Margaret O. Mohle | 33 | Wife | — | West Virginia |
| 55 | Betty Jean Mohle | 11 | Daughter | — | West Virginia |
| 56 | Margaret Mohle | 10 | Daughter | — | West Virginia |
| 57 | John Neimer | 37 | Head | Carpenter | West Virginia |
| 58 | Rhea Neimer | 35 | Wife | — | West Virginia |
| 59 | John Jr. Neimer | 4 | Son | — | West Virginia |
| 60 | David W. Shrout | 50 | Head | Loader | West Virginia |
| 61 | Mary Shrout | 45 | Wife | Housework | West Virginia |
| 62 | Charles Shrout | 22 | Son | Brick Tender | West Virginia |
| 63 | Virginia Shrout | 21 | Daughter-in-law | — | West Virginia |
| 64 | Carl Lipscomb | 29 | Head | Laborer | West Virginia |
| 65 | Bessie Lipscomb | 25 | Wife | — | Pennsylvania |
| 66 | Carl Lipscomb | 5 | Son | — | West Virginia |
| 67 | Ronald Lipscomb | 3 | Son | — | West Virginia |
| 68 | Barbara Lipscomb | 1 | Daughter | — | West Virginia |
| 69 | Jean Fickey | 30 | Head | Beautician | West Virginia |
| 70 | Glenn Fickey | 18 | Brother | Laborer | West Virginia |
| 71 | G.W. Shump | 77 | Head | — | West Virginia |
| 72 | Margaret Shump | 71 | Wife | — | Germany |
| 73 | Merle Shump | 46 | Daughter | Clerk | West Virginia |
| 74 | Maude Shump | 37 | Daughter | Clerk | West Virginia |
| 75 | Fosta Shump | 32 | Daughter | Clerk | West Virginia |
| 76 | Ray Mason | 35 | Head | Electrician'S Helper | Maryland |
| 77 | Ada Mason | 32 | Wife | — | Maryland |
| 78 | Rupert Ball | 35 | Head | Mechanic | West Virginia |
| 79 | Anna Ball | 26 | Wife | — | Pennsylvania |
| 80 | Channing Ball | 3 | Son | — | West Virginia |
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)