MC
Mary Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Collins across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Female
Spouse
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Collins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Salad Maker |
| Industry | Tea Room |
| Class of Worker | PW |
| Income (1939) | 280 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Salad Maker |
| Township / Ward | Los Angeles |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Collins | Head | — | 63 | ~1877 |
| Harry Collins | Son | — | 39 | ~1901 |
| Mary Collins | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Los Angeles, …
Spouse, age 41
Los Angeles, California · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Los Angeles, …
Other, age 50
Los Angeles, California · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Mary M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Los-Angeles-County, California
Spouse, age 60
Los-Angeles-County, California · implied b. ~1880 — 3 household members
| Surname | Collins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Salad Maker |
| Industry | Tea Room |
| Class of Worker | PW |
| Income (1939) | 280 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Collins 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 Collins
Spouse · 1940 · age 60 · b. ~1880 · 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
39 people indexed on this census page (nara:1940:m-t0627-00425-00430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rhona B Waites | 33 | Wife | — | Canada |
| 42 | Beverly Waites | 10 | Daughter | — | California |
| 43 | Roy C. Preston | 57 | Head | Garage Attendant | California |
| 44 | Nellie Preston | 60 | Wife | — | Michigan |
| 45 | John D. Stark | 50 | Head | Yard Foreman | Scotland |
| 46 | Elizabeth Stark | 51 | Wife | — | Scotland |
| 47 | Benjamin Stark | 21 | Son | Electrical Repairman | Pennsylvania |
| 48 | Matilda Stark | 85 | Mother | — | Scotland |
| 49 | William Bowers | 30 | Head | Salesman | Texas |
| 50 | Clare Bowers | 31 | Wife | — | California |
| 51 | Brent Bowers | 1 | Son | — | California |
| 52 | Walter Hampshire | 62 | Head | — | Illinois |
| 53 | Ethel Hampshire | 58 | Wife | — | Illinois |
| 54 | Fred Hampshire | 58 | Cousin | — | Germany |
| 56 | Alfred Dahlstrom | 64 | Head | Elevator Operator | Sweden |
| 57 | Heather Dahlstrom | 57 | Wife | — | Sweden |
| 58 | Jack Froese | 47 | Lodger | Salesman | Russia |
| 59 | Carl Hallace | 50 | Head | Telephone Installer | Virginia |
| 60 | Laura Hallace | 42 | Wife | — | Wisconsin |
| 61 | Elizabeth Hallace | 18 | Daughter | — | Wisconsin |
| 62 | Harry E Collins | 63 | Head | — | Colorado |
| 63 | Mary Collins THIS PERSON | 60 | Wife | Salad Maker | Oregon |
| 64 | Harry M Collins | 39 | Son | Driver | Colorado |
| 65 | Sulo E. Hakkila | 54 | Head | Carpenter | Finland |
| 66 | Hilda Hakkila | 50 | Wife | Housekeeper | Finland |
| 67 | Corydon Bartholomew | 45 | Head | Insurance Agent | California |
| 68 | Zola Bartholomew | 43 | Wife | — | Kansas |
| 69 | Laurel Bartholomew | 18 | Son | — | California |
| 70 | Laurence Ross | 40 | Head | House Painter | Nebraska |
| 71 | Quentine Ross | 35 | Wife | — | Kentucky |
| 72 | Edgar Ross | 15 | Son | — | California |
| 73 | Beverly Ross | 12 | Daughter | — | California |
| 74 | George Ross | 10 | Son | — | California |
| 75 | James A Morford | 67 | Head | — | Indiana |
| 76 | Loretta Morford | 69 | Wife | — | Indiana |
| 77 | George Williams | 80 | Head | — | New Jersey |
| 78 | Belle Williams | 20 | Wife | — | New York |
| 79 | George Dolbier | 36 | Boarder | Instrument Musician | New Jersey |
| 80 | Roland B. Gunter | 68 | Head | Carpenter | Missouri |
Related Census Records
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)