MP
Mary Preston — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Preston across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 5
b. ~1925
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Preston |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Texas |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1925 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| T Preston | Head | — | 41 | ~1889 |
| William Preston | Son | — | 8 | ~1922 |
| Katherine Preston | Daughter | — | 1 | ~1929 |
| Leroy Preston | Son | — | 2 | ~1928 |
| Edith Preston | Daughter | — | 3 | ~1927 |
| Mary Preston | Daughter | — | 5 | ~1925 |
| Lessie Preston | Spouse | — | 26 | ~1904 |
Census Appearances
1930
Los Angeles, …
Daughter, age 5
Los Angeles, California · implied b. ~1925 — 7 household members
| Surname | Preston |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Texas |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 16
Los-Angeles-County, California · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Class of Worker | 0 |
| 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 Preston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Preston
Daughter · 1930 · age 5 · b. ~1925 · California
★ You are viewing this record
Sibling
William Preston
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Preston
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Preston
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Preston
Sibling · 1930 · age 2
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
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:californiacensus00reel145:0019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ned Randall | 46 | Head | Painter | Texas |
| 52 | Minnie Randall | 38 | Wife | Servant | Texas |
| 53 | Henry Randall | 22 | Brother | Chauffeur | Oklahoma |
| 54 | Mary Randall | 20 | Sister in law | None | Georgia |
| 55 | Harvey Curtis | 38 | Head | Chauffeur | California |
| 56 | William B. | 28 | Head | Mechanic | Texas |
| 57 | Bessie B. | 30 | Wife | Maid | Arkansas |
| 58 | William Meurs | 38 | Head | Butcher | Holland |
| 59 | Wallie Meurs | 36 | Wife | None | New Jersey |
| 60 | Dorothy Meurs | 16 | Daughter | None | California |
| 61 | Genevieve Meurs | 13 | Daughter | None | California |
| 62 | Lawrence Meurs | 9 | Son | None | California |
| 63 | Emma Meurs | 32 | Sister | Salesman | New Jersey |
| 64 | Elizabeth Reese | 41 | Head | Cook | South Carolina |
| 65 | Sarah Berry | 55 | R | Servant | Mississippi |
| 66 | Sally Berry | 25 | Son | Butcher | Arkansas |
| 67 | Geraldine Berry | 23 | Daughter | Servant | Arkansas |
| 68 | Maxine Berry | 23 | Daughter | Servant | Arkansas |
| 69 | Emma Biglow | 54 | Head | None | Kentucky |
| 70 | Harry Biglow | 17 | Son | None | Kentucky |
| 71 | Vera L. Biglow | 12 | Daughter | None | California |
| 72 | Leon Cleveland | 28 | R | Chauffeur | Texas |
| 73 | Mallie Cleveland | 25 | Wife | None | California |
| 74 | Juanita Cleveland | 8 | Daughter | None | California |
| 75 | Leon Jr. Cleveland | 7 | Son | None | California |
| 76 | Rudolph Cleveland | 5 | Son | None | California |
| 77 | Audry Cleveland | 3 | Daughter | None | California |
| 78 | Beverly Cleveland | 2 | Daughter | None | California |
| 79 | Earnest Biglow | 23 | Head | Baker | California |
| 80 | Mildred Biglow | 21 | Wife | None | California |
| 81 | Earnest Jr. Biglow | 1 | Son | None | California |
| 82 | Gus Reese | 21 | Head | Mechanic | Kentucky |
| 83 | Reese | 26 | Wife | None | Ohio |
| 84 | T. Henry Preston | 41 | Head | None | Texas |
| 85 | Lessie C. Preston | 26 | Wife | None | Georgia |
| 86 | William H. Preston | 8 | Son | None | California |
| 87 | Mary L. Preston THIS PERSON | 5 | Daughter | None | California |
| 88 | Edith M. Preston | 3 | Daughter | None | California |
| 89 | Leroy E. Preston | 2 | Son | None | California |
| 90 | Katherine B. Preston | 1 | Daughter | None | California |
| 91 | Peter Nicolas | 22 | Head | Janitor | Louisiana |
| 92 | Julia Nicolas | 18 | Wife | None | Georgia |
| 93 | Mary Brooks | 61 | Mother in law | None | Georgia |
| 94 | Amanda Marcus | 30 | Head | Servant | Georgia |
| 95 | John E. Marcus | 10 | Son | None | California |
| 96 | Audie Young | 41 | Head | Day'S Work | Georgia |
| 97 | Artie Young | 14 | Daughter | None | California |
| 98 | Judy Gatton | 69 | Head | None | Alabama |
| 99 | W. Russell Smith | 52 | R | Gardner | Barbados |
| 100 | Dora Smith | 47 | Wife | None | Barbados |
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)