MS
Mary Stephens — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Stephens across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 13-person household.
Age 0
b. ~1930
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Stephens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Pasadena City Part Of |
| 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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Stephens | Daughter | — | 19 | ~1911 |
| Annie Stephens | Daughter | — | 15 | ~1915 |
| Mary Stephens | Daughter | — | ~1930 | |
| Martha Stephens | Daughter | — | 8 | ~1922 |
| John Stephens | Head | — | 53 | ~1877 |
| George Stephens | Son | — | 10 | ~1920 |
| William Stephens | Son | — | 6 | ~1924 |
| Robert Stephens | Son | — | 4 | ~1926 |
| James Stephens | Son | — | 17 | ~1913 |
| Charles Stephens | Son | — | 12 | ~1918 |
| Edward Stephens | Son | — | 2 | ~1928 |
| John Stephens | Son | — | 21 | ~1909 |
| Mary Stephens | Spouse | — | 56 | ~1874 |
Census Appearances
1930
Los Angeles, …
Daughter, age
Los Angeles, California · implied b. ~1930 — 13 household members
| Surname | Stephens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| 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 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steffen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 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 Stephens across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stephens
Daughter · 1930 · age 0 · b. ~1930 · California
★ You are viewing this record
Sibling
John Stephens
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stephens
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Stephens
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Stephens
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Stephens
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Stephens
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Stephens
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Stephens
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Stephens
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Stephens
Sibling · 1930 · age 8
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:californiacensus00reel168:0776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas S Carmack | 61 | Head | — | Vermont |
| 2 | Anna E Carmack | 58 | Wife | — | Iowa |
| 3 | Clarence E Carmack | 27 | Son | — | Iowa |
| 4 | Albert Schaffer | 48 | Head | — | Iowa |
| 5 | Lulu Schaffer | 46 | Wife | — | Delaware |
| 6 | Lulu Schaffer | 21 | Daughter | — | Delaware |
| 7 | Albert Schaffer | 16 | Son | — | Northern Ireland |
| 8 | Lulu Schaffer | 11 | Daughter | — | Delaware |
| 9 | John Stephens | 53 | Head | Teamster | Scotland |
| 10 | Mary Stephens | 56 | Wife | — | Norway |
| 11 | John Stephens | 21 | Son | — | Scotland |
| 12 | Mary Stephens | 19 | Daughter | — | Scotland |
| 13 | James Stephens | 17 | Son | Baker | Norway |
| 14 | Annie Stephens | 15 | Daughter | — | Norway |
| 15 | Charles Stephens | 12 | Son | — | California |
| 16 | George Stephens | 10 | Son | — | California |
| 17 | Martha Stephens | 8 | Daughter | — | California |
| 18 | William Stephens | 6 | Son | — | California |
| 19 | Robert Stephens | 4 | Son | — | California |
| 20 | Edward Stephens | 2 | Son | — | California |
| 21 | Mary Stephens THIS PERSON | 0 | Daughter | — | California |
| 22 | Isaac Wren | 40 | Head | — | Illinois |
| 23 | Edgar F Pollock | 40 | Head | Carpenter | Idaho |
| 24 | Edna Pollock | 33 | Wife | — | California |
| 25 | Edgar Pollock | 13 | Son | — | California |
| 26 | James Pollock | 10 | Son | — | Iowa |
| 27 | William Pollock | 7 | Son | — | Illinois |
| 28 | Edna Pollock | 5 | Daughter | — | Illinois |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | William Bail | 65 | Head | — | France |
| 32 | Anna Bail | 60 | Wife | — | France |
| 33 | William Bail | 25 | Son | Proprietor | Ohio |
| 34 | Julius Forger | 53 | Head | Harnessmaker | Germany |
| 35 | Mary E Forger | 54 | Wife | — | Michigan |
| 36 | Julius Forger | 26 | Son | — | Michigan |
| 37 | Mary Forger | 26 | Daughter | — | Michigan |
| 38 | Frank Wood | 49 | Head | — | Italy |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
Related Census Records
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)