MF
Mary Farmer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Farmer across the 1920, 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 44
b. ~1886
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Farmer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1886 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Farmer | Son | — | 17 | ~1913 |
| William Farmer | Son | — | 11 | ~1919 |
| Robert Farmer | Head | — | 41 | ~1889 |
| Mary Farmer | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Los Angeles, …
Spouse, age 33
Los Angeles, California · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farmer |
| Given Name | May P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Barberess |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Los Angeles, …
Spouse, age 44
Los Angeles, California · implied b. ~1886 — 4 household members
| Surname | Farmer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Los-Angeles-County, California
Head, age 52
Los-Angeles-County, California · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farmer |
| Given Name | Myra |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Preacher |
| Industry | Own Church |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Farmer 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 Farmer
Spouse · 1930 · age 44 · b. ~1886 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel141:0725)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Replogle Susan Pierson | 27 | Boarder | Engineer | Nebraska |
| 2 | Leslie B. Arnet | 37 | Head | Salesman | Missouri |
| 3 | Mildred Arnet | 36 | Wife-H | None | Missouri |
| 4 | Logue Arnet | 15 | Son | None | Missouri |
| 5 | Mary D. Arnet | 9 | Daughter | None | Missouri |
| 6 | Hazel Helmick | 36 | Head | Beauty Specialist | Illinois |
| 7 | Frances Helmick | 16 | Daughter | None | Kansas |
| 8 | Rowena Helmick | 13 | Daughter | None | Colorado |
| 9 | Dorothy Helmick | 11 | Daughter | None | Colorado |
| 10 | Hugh Radcliff | 59 | Father-in-law | Salesman | Indiana |
| 11 | Robert Radcliff | 30 | Brother-in-law | Salesman | Illinois |
| 12 | Paul G. Mcelhany | 25 | Head | Foreman | Iowa |
| 13 | Helen Mcelhany | 27 | Wife-H | Clerk | Massachusetts |
| 14 | Lilla Brown | 60 | Aunt | Nursing | Maine |
| 15 | Gertrude Winifred | 62 | Head | None | Missouri |
| 16 | Juliet Mcgowan | 53 | Head | Nursing | Australia |
| 17 | George Mcgowan | 30 | Son | Clerk | New York |
| 18 | Herbert Coolbeck | 34 | Brother | Clerk | New York |
| 19 | Charles Stansbury | 65 | Head | Contractor | California |
| 20 | Anne Stansbury | 66 | Wife-H | None | Missouri |
| 21 | Alice Flute | 67 | Boarder | None | New York |
| 22 | Catherine Stansbury | 25 | Daughter | Teacher | California |
| 23 | Frank Wauter | 31 | Head | Locksmith | Poland |
| 24 | Stephanie Wauter | 45 | Wife-H | None | Poland |
| 25 | Alice Marmaduke | 38 | Boarder | Bookkeeper | Missouri |
| 26 | Elizabeth Lombin | 78 | Head | None | Canada-English |
| 27 | Ida Lombin | 64 | Sister | None | Canada-English |
| 28 | Ella Lombin | 53 | Sister | None | Canada-English |
| 29 | Estelle G. Freeman | 52 | Head | None | Illinois |
| 30 | Addie Freeman | 40 | Wife | None | Wisconsin |
| 31 | Mary Thorn | 60 | Head | None | England |
| 32 | Margaret Dobson | 75 | Sister | None | England |
| 33 | William Rutherford | 70 | Head | None | Canada-English |
| 34 | Margaret Rutherford | 65 | Wife-H | None | Canada-English |
| 35 | Henry J. Harrison | 53 | Head | Manager | Texas |
| 36 | Daisy Harrison | 53 | Wife-H | None | California |
| 37 | Fred Drescher | 64 | Head | None | Illinois |
| 38 | Jessie Drescher | 69 | Wife-H | None | England |
| 39 | Robert Farmer | 41 | Head | Manager | Minnesota |
| 40 | Mary Farmer THIS PERSON | 44 | Wife | None | Illinois |
| 41 | Robert Farmer | 17 | Son | None | Minnesota |
| 42 | William Farmer | 11 | Son | None | California |
| 43 | Robert B. Forbes | 55 | Head | Manager | Illinois |
| 44 | Laura Forbes | 55 | Wife-H | Electrical | Iowa |
| 45 | William Forbes | 23 | Son | Clerk | Nebraska |
| 46 | Robert Forbes | 18 | Son | None | South Dakota |
| 47 | Louise Forbes | 14 | Daughter | None | California |
| 48 | Charles J. Zenia | 70 | Head | None | Tennessee |
| 49 | Mary Zenia | 65 | Wife | None | Tennessee |
| 50 | Theodore Cookinham | 41 | Head | Shipper | Rhode Island |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)