MS
Margaret Stewart — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Margaret Stewart across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Alexander & Charles — first a daughter (b.~1915), then head of a 11-person household.
Age 15
b. ~1915
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Stewart |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1915 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Catherine Stewart | Daughter | — | 9 | ~1921 |
| Jean Stewart | Daughter | — | 17 | ~1913 |
| Margaret Stewart | Daughter | — | 15 | ~1915 |
| Charles Stewart | Head | — | 61 | ~1869 |
| Adrian Pereyra | Other | — | 26 | ~1904 |
| Frank Duarte | Other | — | 43 | ~1887 |
| Lillian Duarte | Other | — | 14 | ~1916 |
| George Stewart | Son | — | ~1930 | |
| Charles Stewart | Son | — | 4 | ~1926 |
| Florence Stewart | Spouse | — | 39 | ~1891 |
| Maud Duarte | Spouse | — | 34 | ~1896 |
Census Appearances
1920
San Francisco, …
Daughter, age 5
San Francisco, California · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 15
San Francisco, California · implied b. ~1915 — 11 household members
| Surname | Stewart |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 26
San-Francisco-County, California · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 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 Margaret Stewart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Stewart (~0.92 confidence) and father Charles Stewart (~0.92 confidence) and mother Florence Stewart (~0.92 confidence) and mother Maud Duarte (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Stewart
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Charles Stewart
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Florence Stewart
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Maud Duarte
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Stewart
Daughter · 1930 · age 15 · b. ~1915 · California
★ You are viewing this record
Sibling
Catherine Stewart
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Stewart
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Stewart
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Stewart
Sibling · 1930 · age 4
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 — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
43 people indexed on this census page (ia:1930:californiacensus00reel198:0190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Youdall | 42 | Head | Engineer | Canada-Eng |
| 2 | Gabrielle Youdall | 44 | Wife-H | — | California |
| 3 | Leonard Youdall | 16 | Son | — | California |
| 4 | Harris Youdall | 15 | Son | — | California |
| 5 | Rees Youdall | 13 | Son | — | California |
| 6 | Peter Youdall | 11 | Son | — | California |
| 7 | Jack Gianelli | 23 | Nephew | Salesman | California |
| 8 | Helen Leonard | 53 | Head | — | California |
| 9 | Hattie Leonard | 49 | Brother | Dealer | California |
| 10 | Kathryn Leonard | 41 | Sister | Secretary | California |
| 11 | Ramona Leonard | 37 | Sister | Teacher | California |
| 13 | Harry Bird | 68 | Head | Manufacturer | California |
| 14 | Margaret Bird | 62 | Wife | — | California |
| 15 | Mayson Bird | 31 | Son | Engineer | California |
| 16 | Robert Bird | 28 | Son | Manager | California |
| 17 | Jeanette Bird | 22 | Daughter | — | California |
| 18 | Robert Searls | 48 | Head | Attorney | California |
| 19 | Gertrude Searls | 47 | Wife | — | California |
| 20 | Fred Searls | 17 | Son | — | California |
| 21 | Virginia Searls | 15 | Daughter | — | California |
| 22 | Anne Searls | 9 | Daughter | — | California |
| 23 | Elizabeth Harrison | 21 | Servant | Servant | Scotland |
| 24 | John Neylan | 47 | Head | Attorney | New York |
| 25 | Gertrude Neylan | 43 | Wife | — | California |
| 26 | Jane Neylan | 16 | Daughter | — | California |
| 28 | Garret Mcenerney | 58 | Head | Mfg. Agent | California |
| 29 | Genevieve Mcenerney | 47 | Wife | — | California |
| 30 | Elizabeth Mcenerney | 22 | Daughter | Librarian | California |
| 31 | Garret Mcenerney | 21 | Son | — | California |
| 32 | Justin Mcenerney | 15 | Son | — | California |
| 33 | Joan Mcenerney | 10 | Daughter | — | California |
| 34 | Edward Mcenerney | 5 | Son | — | California |
| 36 | Charles Stewart | 61 | Head | Proprietor | Scotland |
| 37 | Florence Stewart | 39 | Wife | — | Iowa |
| 38 | Jean Stewart | 17 | Daughter | — | California |
| 39 | Margaret Stewart THIS PERSON | 15 | Daughter | — | California |
| 40 | Catherine Stewart | 9 | Daughter | — | California |
| 41 | Charles Stewart | 4 | Son | — | California |
| 42 | George Stewart | 0 | Son | — | California |
| 43 | Frank Duarte | 43 | Chauffeur | Chauffeur | California |
| 44 | Maud Duarte | 34 | Wife | Maid | California |
| 45 | Lillian Duarte | 14 | Child | — | California |
| 46 | Adrian Pereyra | 26 | Servant | Servant | Philippine |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)