MV
Mary Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Vaughn across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 9-person household.
Age 35
b. ~1905
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Vaughn |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Maywood City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Maywood City |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nancy Vaughn | Daughter | — | 5 | ~1935 |
| Mary Vaughn | Daughter | — | 14 | ~1926 |
| Doris Vaughn | Daughter | — | 13 | ~1927 |
| Gregory Vaughn | Son | — | 4 | ~1936 |
| Mary Vaughn | Spouse | — | 35 | ~1905 |
| Teresa Vaughn | Son | — | 11 | ~1929 |
| Richard Vaughn | Son | — | 17 | ~1923 |
| James Vaughn | Head | — | 41 | ~1899 |
| James Vaughn | Son | — | 19 | ~1921 |
Census Appearances
1930
Los Angeles, …
Spouse, age 24
Los Angeles, California · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | Marjorie J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 18 |
| Father's Birthplace | England |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Spouse, age 35
Los-Angeles-County, California · implied b. ~1905 — 9 household members
| Surname | Vaughn |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Maywood City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Vaughn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Vaughn
Spouse · 1940 · age 35 · b. ~1905 · 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
38 people indexed on this census page (nara:1940:m-t0627-00247-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Phyllis G. Pierson | 19 | Son | Concrete Worker | California |
| 42 | Bessie M. Pierson | 18 | Daughter | Clerk | California |
| 43 | Carolyn Pierson | 12 | Daughter | — | California |
| 46 | James R. Book | 41 | Head | Crane Operator | Louisiana |
| 47 | Elsie L. Book | 41 | Wife | — | Ohio |
| 48 | Merna M. Book | 17 | Daughter | — | Ohio |
| 49 | Mildred B. Book | 15 | Daughter | — | California |
| 50 | La Verne Book | 14 | Daughter | — | California |
| 51 | Lena L. Book | 13 | Daughter | — | California |
| 52 | Gary R. Book | 8 | Daughter | — | California |
| 53 | Barbara J. Book | 7 | Daughter | — | California |
| 54 | Doris L. Book | 6 | Daughter | — | California |
| 55 | Delena Book | 5 | Daughter | — | California |
| 56 | Armand Swanson | 27 | Head | Stock Clerk | Washington |
| 57 | Iris L. Swanson | 24 | Wife | — | California |
| 58 | James A. Vaughn | 41 | Head | Salesman | New York |
| 59 | Mary E. Vaughn THIS PERSON | 35 | Wife | — | California |
| 60 | James A. Vaughn | 19 | Son | Printer | Washington |
| 61 | Richard E. Vaughn | 17 | Son | — | Washington |
| 62 | Mary I. Vaughn | 14 | Daughter | — | Washington |
| 63 | Doris A. Vaughn | 13 | Daughter | — | Washington |
| 64 | Teresa A. Vaughn | 11 | Son | — | California |
| 65 | Nancy L. Vaughn | 5 | Daughter | — | California |
| 66 | Gregory Vaughn | 4 | Son | — | California |
| 67 | Mitchell Stigall | 65 | Head | — | Kentucky |
| 68 | Vivian Stigall | 43 | Son | Barber | Oklahoma |
| 69 | Mary E. Beard | 72 | Sister | — | Kentucky |
| 70 | Harry H. Sharp | 62 | Head | — | Missouri |
| 71 | Hazel B. Sharp | 41 | Wife | — | Missouri |
| 72 | Robert E. Sharp | 15 | Son | — | California |
| 73 | Barbara M. Sharp | 13 | Daughter | — | California |
| 74 | Doris L. Sharp | 11 | Daughter | — | California |
| 75 | Eugene N. Sharp | 5 | Son | — | California |
| 76 | Victor R. Carter | 28 | Head | Upholsterer | Arkansas |
| 77 | Sylvia C. Carter | 22 | Wife | — | Oklahoma |
| 78 | Lucy C. Carter | 4 | Daughter | — | California |
| 79 | Victor Carter | 1 | Son | — | California |
| 80 | Llewellyn Jones | 31 | Head | Box Maker | 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)