MS
Mary Sears — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Sears across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 12-person household.
Age 0
b. ~1930
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Sears |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Japan |
| Mother's Birthplace | Japan |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1930 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Sears | Other | — | 61 | ~1869 |
| Mary Sears | Spouse | — | 38 | ~1892 |
| Josephine Sears | Daughter | — | 16 | ~1914 |
| Mary Sears | Daughter | — | ~1930 | |
| John Sears | Other | — | 64 | ~1866 |
| Mary Sears | Daughter | — | 12 | ~1918 |
| Joseph Sears | Head | — | 42 | ~1888 |
| Kiku Sears | Spouse | — | 31 | ~1899 |
| Helen Sears | Daughter | — | 4 | ~1926 |
| Frank Sears | Son | — | 42 | ~1888 |
| George Sears | Son | — | 4 | ~1926 |
| Rose Sears | Daughter | — | 14 | ~1916 |
Census Appearances
1930
Los Angeles, …
Daughter, age
Los Angeles, California · implied b. ~1930 — 12 household members
| Surname | Sears |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Japan |
| Mother's Birthplace | Japan |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 11
Los-Angeles-County, California · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Seawars |
| Given Name | Marcia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 5 |
| 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 Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sears
Daughter · 1930 · age 0 · b. ~1930 · California
★ You are viewing this record
Sibling
Josephine Sears
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Sears
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Sears
Sibling · 1930 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sears
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Sears
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sears
Sibling · 1930 · age 12
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
39 people indexed on this census page (ia:1930:californiacensus00reel144:0889)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George T. Williams | 28 | Head | Laborer | Missouri |
| 2 | Irene Williams | 27 | Wife | — | Ohio |
| 3 | George Jr. Williams | 2 | Son | — | California |
| 4 | Robert Williams | 1 | Son | — | California |
| 5 | Howard L. La Rue | 21 | Head | Auto Mechanic | Nebraska |
| 6 | Emma La Rue | 20 | Wife | Laundry Worker | California |
| 7 | Helen La Rue | 1 | Daughter | — | California |
| 8 | Anna Karasch | 45 | Head | — | New York |
| 9 | Anna Karasch | 17 | Daughter | — | California |
| 10 | Herman Karasch | 15 | Son | — | Germany |
| 11 | Virginia Karasch | 13 | Daughter | — | Virginia |
| 12 | Herman Karasch | 11 | Son | — | California |
| 13 | Fred H. Fuelling | 52 | Head | Letter Carrier | Maryland |
| 14 | Clarence Fuelling | 48 | Wife | — | Ohio |
| 15 | Minnie J. James | 44 | Sister-in-law | Saleslady | Colorado |
| 16 | Nels P. Ecklund | 65 | Head | — | Denmark |
| 17 | Esther Ecklund | 62 | Wife | — | California |
| 18 | Hans Thorsen | 65 | Head | — | Norway |
| 19 | Anna Thorsen | 60 | Wife | — | Norway |
| 20 | Arthur Thorsen | 25 | Son | — | Illinois |
| 21 | Lillian Thorsen | 21 | Daughter | — | Illinois |
| 22 | Hiram Wilder | 73 | Head | — | Michigan |
| 23 | Joseph Sears | 42 | Head | Cabinet Maker | Italy |
| 24 | Mary Sears | 38 | Wife | — | Italy |
| 25 | Josephine Sears | 16 | Daughter | — | Italy |
| 26 | Rose Sears | 14 | Daughter | — | Italy |
| 27 | Mary Sears | 12 | Daughter | — | Italy |
| 28 | Frank Sears | 42 | Son | — | Japan |
| 29 | Kiku Sears | 31 | Wife | Housewife | Japan |
| 30 | George Sears | 4 | Son | — | California |
| 31 | Helen Sears | 4 | Daughter | — | California |
| 32 | Mary Sears THIS PERSON | 0 | Daughter | — | California |
| 33 | John Sears | 64 | Boarder | — | England |
| 34 | John Sears | 61 | Boarder | Case Maker | Massachusetts |
| 35 | Ster Haynes | 24 | Head | Salesman | Arizona |
| 36 | Mary Haynes | 32 | Wife | Seamstress | Arizona |
| 37 | Lillie M. Haynes | 14 | Daughter | — | Arizona |
| 38 | Vida Haynes | 6 | Daughter | — | California |
| 39 | Lupe Bustamante | 45 | Sister-in-law | Seamstress | Arizona |
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)