ME
Mary Emery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Emery across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Emery |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Pasadena City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Pasadena City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Richard Emery | Other | — | 1 | ~1939 |
| Beatrice Emery | Daughter | — | 13 | ~1927 |
| Mary Emery | Daughter | — | 21 | ~1919 |
| Lena Emery | Spouse | — | 51 | ~1889 |
| Herbert Emery | Head | — | 51 | ~1889 |
| F Emery | Son | — | 27 | ~1913 |
| Tabitha Emery | Other | — | 26 | ~1914 |
Census Appearances
1930
Los Angeles, …
Daughter, age 11
Los Angeles, California · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Emery |
| Given Name | Mary K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 21
Los-Angeles-County, California · implied b. ~1919 — 7 household members
| Surname | Emery |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Pasadena City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | C 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Emery across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Emery
Daughter · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Beatrice Emery
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
F Emery
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
38 people indexed on this census page (nara:1940:m-t0627-00240-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lu Ann Short | 4 | Daughter | — | California |
| 2 | Robert Short | 1 | Son | — | California |
| 3 | Frank C. Graham | 42 | Head | Chief Operator | Canada English |
| 4 | M. Lydia Graham | 38 | Wife | — | Massachusetts |
| 5 | Robert D. Graham | 4 | Son | — | California |
| 6 | Marilyn V. Huddy | 11 | Neice | — | California |
| 8 | Nell P. Bentley | 54 | Head | Creditwoman | Illinois |
| 9 | Walter Kimball | 88 | Lodger | — | Massachusetts |
| 10 | Earle D. Davis | 37 | Head | Civil Engineer | South Dakota |
| 11 | Thelma E. Davis | 37 | Wife | — | Utah |
| 12 | Coleen Davis | 15 | Daughter | — | California |
| 13 | David Davis | 8 | Son | — | California |
| 14 | Herbert C. Emery | 51 | Head | City Passenger Agent | California |
| 15 | Lena E. Emery | 51 | Wife | — | Iowa |
| 16 | Mary K. Emery THIS PERSON | 21 | Daughter | — | California |
| 17 | Beatrice C. Emery | 13 | Daughter | — | California |
| 18 | F. Eric Emery | 27 | Son | — | California |
| 19 | Tabitha Emery | 26 | Daughter-in-law | Dry Goods Clerk | Oregon |
| 20 | Richard L. Emery | 1 | Grandson | — | California |
| 21 | Florence M. Farron | 60 | Head | — | New York |
| 22 | Marion F. Farron | 36 | Daughter | Owner | New York |
| 23 | Florence May Farron | 34 | Daughter | Recorder | New York |
| 24 | James A. Deley | 45 | Head | Fireman | California |
| 25 | Eleanor M. Deley | 37 | Wife | — | Wisconsin |
| 26 | Margaret E. Deley | 12 | Daughter | New Worker | California |
| 27 | Donald D. Deley | 11 | Son | — | California |
| 28 | William A. Deley | 50 | Brother | Odd Jobs Laborer | California |
| 29 | Dr. Earle L. Ferris | 32 | Head | Optometrist | Oregon |
| 30 | Kathryne Ferris | 31 | Wife | — | Texas |
| 31 | Carol Ann Ferris | 6 | Daughter | — | California |
| 32 | Sharon Kay Ferris | 3 | Daughter | — | California |
| 33 | Charles E. Walton | 73 | Head | — | Massachusetts |
| 34 | Bessie B. Walton | 57 | Wife | — | Indiana |
| 36 | Elizabeth H. Mayo | 47 | Head | Agent | Texas |
| 37 | Edward L. Mayo | 22 | Son | Stock Clerk | Texas |
| 38 | Elizabeth Ann Mayo | 19 | Daughter | Stenographer | Texas |
| 39 | Donald Bar K Ley | 32 | Head | Equipment Operator | Pennsylvania |
| 40 | Mary H. Bar K Ley | 31 | Wife | — | Pennsylvania |
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)