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Lillian Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Lillian Lewis across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Lewis |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Tel. Opr. |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Tel. Opr. |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| James Lewis | Son | — | 22 | ~1908 |
| Mary Lewis | Spouse | — | 41 | ~1889 |
| Lillian Lewis | Daughter | — | 19 | ~1911 |
| Eleanor Lewis | Daughter | — | 17 | ~1913 |
| James Lewis | Head | — | 47 | ~1883 |
Census Appearances
1920
San Francisco, …
Daughter, age 9
San Francisco, California · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 19
San Francisco, California · implied b. ~1911 — 5 household members
| Surname | Lewis |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | California |
| Occupation | Tel. Opr. |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 29
San-Francisco-County, California · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Lucille C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Grass Valley |
| 1935 Residence (County) | Nevada |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| 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 Lillian Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lewis (~0.92 confidence) and father James Lewis (~0.92 confidence) and mother Mary Lewis (~0.92 confidence) and mother May Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lewis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
James Lewis
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Lewis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
May Lewis
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Lewis
Daughter · 1930 · age 19 · b. ~1911 · California
★ You are viewing this record
Sibling
James Lewis
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Lewis
Sibling · 1930 · age 17
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
50 people indexed on this census page (ia:1930:californiacensus00reel196:0759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Caitlin | 48 | Head | Machinist | New Mexico |
| 2 | Ida Caitlin | 40 | Wife | — | California |
| 3 | Bernice Caitlin | 19 | Daughter | Stenographer | California |
| 4 | Frank Caitlin | 16 | Son | School | California |
| 5 | Alfred Caitlin | 12 | Son | School | California |
| 6 | Paul Cemeteri | 27 | Head | Laborer | Malta |
| 7 | Jean Cemeteri | 28 | Wife | — | Malta |
| 8 | Paul Cemeteri | 6 | Son | — | Malta |
| 9 | John B. Caitlin | 75 | Head | Retired | Belgium |
| 10 | Margaret Caitlin | 77 | Wife | — | Germany |
| 11 | John H. Caitlin | 42 | Son | Machinist | California |
| 12 | John Bonelli | 29 | Head | Machinist | Wisconsin |
| 13 | Letitia Bonelli | 26 | Wife | — | Italy |
| 14 | John E. Bonelli | 8 | Son | School | California |
| 15 | Beatrice Bonelli | 7 | Daughter | School | California |
| 16 | George Bonelli | 1 | Son | — | California |
| 17 | Louis Seibert | 43 | Head | Fruit Merchant | New York |
| 18 | Rose Seibert | 33 | Wife | — | New York |
| 19 | Fanny Seibert | 12 | Daughter | School | California |
| 20 | Gertrude Seibert | 9 | Son | School | California |
| 21 | Bert Seibert | 8 | Son | School | California |
| 22 | Phillip Seibert | 80 | Father | Retired | Poland |
| 23 | Caroline Vasquez | 60 | Boarder | — | California |
| 24 | George Edelstein | 50 | Head | Insurance | New York |
| 25 | Pauline Edelstein | 30 | Wife | — | Poland |
| 26 | Burton Edelstein | 4 | Son | — | California |
| 27 | Rocco Bertuccio | 37 | Head | Scavenger | Italy |
| 28 | Carolina Bertuccio | 40 | Wife | — | Italy |
| 29 | George Bertuccio | 14 | Son | School | California |
| 30 | Virginia Bertuccio | 12 | Son | School | California |
| 31 | Rochelle Bertuccio | 10 | Son | School | California |
| 32 | Aldo Bertuccio | 8 | Son | — | California |
| 33 | Andrew T. Svenson | 40 | Head | Seaman | Sweden |
| 34 | Elsa Svenson | 43 | Wife | — | Sweden |
| 35 | Aileen Svenson | 18 | Daughter | Stock Clerk | Colorado |
| 36 | Vera Svenson | 15 | Daughter | School | Colorado |
| 37 | Edith Svenson | 14 | Daughter | School | Vermont |
| 38 | Herbert Svenson | 12 | Son | School | Vermont |
| 39 | James F. Lewis | 47 | Head | Fireman | Kentucky |
| 40 | Mary G. Lewis | 41 | Wife | — | California |
| 41 | James B. Lewis | 22 | Son | Dentist | California |
| 42 | Lillian M. Lewis THIS PERSON | 19 | Daughter | Tel. Opr. | California |
| 43 | Eleanor Lewis | 17 | Daughter | Student | California |
| 44 | Pearl Baldwin | 32 | Head | Bank Clerk | California |
| 45 | Margaret Baldwin | 24 | Wife | — | California |
| 46 | Gerald Baldwin | 2 | Son | — | California |
| 47 | Thomas Baldwin | 0 | Son | — | California |
| 48 | Desmond Stuart | 34 | Head | Contractor | California |
| 49 | Sarah Stuart | 30 | Wife | — | New York |
| 50 | James Hash | 60 | Lodger | Carpenter | Missouri |
Pedigree Summary
Lillian + 2 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)