MS
Mary Sloan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Sloan across the 1920, 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 10-person household.
Age 45
b. ~1885
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Sloan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 18 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1885 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Sloan | Son | — | 12 | ~1918 |
| Mary Sloan | Spouse | — | 45 | ~1885 |
| Jack Sloan | Son | — | 4 | ~1926 |
| James Sloan | Son | — | 10 | ~1920 |
| Dorothy Sloan | Daughter | — | 16 | ~1914 |
| Betty Sloan | Daughter | — | 8 | ~1922 |
| Helen Sloan | Daughter | — | 14 | ~1916 |
| Ruth Sloan | Daughter | — | 6 | ~1924 |
| Philip Sloan | Son | — | 18 | ~1912 |
| Philip Sloan | Head | — | 47 | ~1883 |
Census Appearances
1920
Los Angeles, …
Spouse, age 37
Los Angeles, California · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sloan |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Los Angeles, …
Spouse, age 45
Los Angeles, California · implied b. ~1885 — 10 household members
| Surname | Sloan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 18 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Los-Angeles-County, California
Other, age 56
Los-Angeles-County, California · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sloan |
| Given Name | Marion E. |
| Relationship to Head | Partner |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Long Beach City |
| 1935 Residence (County) | Los Angeles |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 195 |
| Highest Grade | No 1 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Sloan 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 Sloan
Spouse · 1930 · age 45 · b. ~1885 · 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:missouricensus00reel1226:0766)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar Hall | 39 | Head | Laborer | Tennessee |
| 2 | Minnie Hall | 34 | Wife | — | Tennessee |
| 3 | Oscar Jr. Hall | 14 | Son | — | Tennessee |
| 4 | James Hall | 12 | Son | — | Tennessee |
| 5 | Mary Hall | 10 | Daughter | — | Tennessee |
| 6 | Robert Smyth | 45 | Head | Laborer | Missouri |
| 7 | Minnie Smyth | 42 | Wife | — | Missouri |
| 8 | Robert Jr. Smyth | 18 | Son | Laborer | Missouri |
| 9 | Charles Smyth | 16 | Son | — | Missouri |
| 10 | Mildred Smyth | 14 | Daughter | — | Missouri |
| 11 | Dorothy Smyth | 12 | Daughter | — | Missouri |
| 12 | Helen Smyth | 10 | Daughter | — | Missouri |
| 13 | Ruth Smyth | 8 | Daughter | — | Missouri |
| 14 | Betty Smyth | 6 | Daughter | — | Missouri |
| 15 | Jack Smyth | 4 | Son | — | Missouri |
| 16 | James Obermuller | 34 | Head | Chauffeur | Missouri |
| 17 | Hazel Obermuller | 34 | Wife | — | Missouri |
| 18 | James Jr. Obermuller | 7 | Son | — | Missouri |
| 19 | Francis Obermuller | 5 | Son | — | Missouri |
| 20 | Robert Obermuller | 2 | Son | — | Missouri |
| 21 | Mary Obermuller | 0 | Daughter | — | Missouri |
| 22 | Frank Cunningham | 45 | Head | Chauffeur | Missouri |
| 23 | Emma Cunningham | 41 | Wife | — | Missouri |
| 24 | Philip Sloan | 47 | Head | Laborer | Missouri |
| 25 | Mary Sloan THIS PERSON | 45 | Wife | — | Missouri |
| 26 | Philip Jr. Sloan | 18 | Son | — | Missouri |
| 27 | Dorothy Sloan | 16 | Daughter | — | Missouri |
| 28 | Helen Sloan | 14 | Daughter | — | Missouri |
| 29 | Robert Sloan | 12 | Son | — | Missouri |
| 30 | James Sloan | 10 | Son | — | Missouri |
| 31 | Betty Sloan | 8 | Daughter | — | Missouri |
| 32 | Ruth Sloan | 6 | Daughter | — | Missouri |
| 33 | Jack Sloan | 4 | Son | — | Missouri |
| 34 | John Bridge | 42 | Head | Laborer | Missouri |
| 35 | Lillian Bridge | 40 | Wife | — | Missouri |
| 36 | John Jr. Bridge | 18 | Son | — | Missouri |
| 37 | Lillian Jr. Bridge | 16 | Daughter | — | Missouri |
| 38 | Robert Bridge | 14 | Son | — | Missouri |
| 39 | Helen Bridge | 12 | Daughter | — | Missouri |
| 40 | James Bridge | 10 | Son | — | Missouri |
| 41 | Betty Bridge | 8 | Daughter | — | Missouri |
| 42 | Ruth Bridge | 6 | Daughter | — | Missouri |
| 43 | Jack Bridge | 4 | Son | — | Missouri |
| 44 | Robert Smyth | 45 | Head | Laborer | Missouri |
| 45 | Minnie Smyth | 42 | Wife | — | Missouri |
| 46 | Robert Jr. Smyth | 18 | Son | — | Missouri |
| 47 | Charles Smyth | 16 | Son | — | Missouri |
| 48 | Mildred Smyth | 14 | Daughter | — | Missouri |
| 49 | Dorothy Smyth | 12 | Daughter | — | Missouri |
| 50 | Helen Smyth | 10 | Daughter | — | Missouri |
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)