MH
Mary Haas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Haas across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Glendale City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Glendale City |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edmond Haas | Son | — | 16 | ~1924 |
| Melvin Haas | Head | — | 48 | ~1892 |
| Mary Haas | Spouse | — | 42 | ~1898 |
| Melvin Haas | Son | — | 17 | ~1923 |
Census Appearances
1930
Los Angeles, …
Other, age 34
Los Angeles, California · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hass |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 25 |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Los-Angeles-County, California
Spouse, age 42
Los-Angeles-County, California · implied b. ~1898 — 4 household members
| Surname | Haas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Glendale City |
| 1935 Residence (County) | Los Angeles |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haas
Spouse · 1940 · age 42 · b. ~1898 · California
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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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00232-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Whalen | 12 | Son | — | California |
| 2 | Joyce Whalen | 8 | Daughter | — | California |
| 3 | Helen Bakewell | 46 | Head | — | Illinois |
| 4 | Charles Bakewell | 22 | Son | — | Pennsylvania |
| 5 | Marie Bakewell | 13 | Daughter | — | Illinois |
| 6 | John Murdock | 45 | Head | Salesman | Utah |
| 7 | Velma Murdock | 45 | Wife | Secretary | Kansas |
| 8 | Robert Murdock | 21 | Son | — | California |
| 9 | Jane Ann Murdock | 12 | Daughter | — | California |
| 10 | Chester Dunlap | 63 | Head | Valuation Clerk | West Virginia |
| 11 | Mary Dunlap | 63 | Wife | — | Pennsylvania |
| 12 | Robert Dunlap | 23 | Son | Clerk | Pennsylvania |
| 13 | Carlton Richards | 30 | Head | Salesman | Utah |
| 14 | Dorothy Richards | 29 | Wife | — | Utah |
| 15 | Jacqueline Richards | 2 | Daughter | — | California |
| 16 | Abbie Carter | 87 | Mother-in-law | — | Maine |
| 17 | Ralph Procter | 45 | Head | Civil Engineer | Illinois |
| 18 | Mabel Procter | 45 | Wife | — | California |
| 19 | Marjorie Procter | 20 | Daughter | — | California |
| 20 | Walter Sullivan | 44 | Head | Manager | Illinois |
| 21 | Kathleen Sullivan | 39 | Wife | — | Illinois |
| 22 | Jack Molder | 19 | Step-son | Clerk | Illinois |
| 23 | Nick Sullivan | 12 | Son | — | Illinois |
| 24 | Fred Flesch | 32 | Head | Salesman | New York |
| 25 | Rose Flesch | 32 | Wife | — | New York |
| 26 | Henry Naylor | 33 | Brother-in-law | Clerk | New York |
| 27 | Mary Naylor | 31 | Sister-in-law | — | New York |
| 28 | Suzette Naylor | 10 | Niece | — | New York |
| 29 | Melvin H. Haas | 48 | Head | Broker | Wisconsin |
| 30 | Mary Haas THIS PERSON | 42 | Wife | — | Nebraska |
| 31 | Melvin Haas | 17 | Son | — | California |
| 32 | Edmond Haas | 16 | Son | — | California |
| 33 | Hugh Cameron | 50 | Head | Jeweler | California |
| 34 | Anita Cameron | 52 | Wife | Saleslady | Minnesota |
| 35 | Hugh Cameron | 20 | Son | — | California |
| 36 | Harley Shoemaker | 47 | Head | Manager | Ohio |
| 37 | Velma Shoemaker | 45 | Wife | — | 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)