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Lillian Lewis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Lillian Lewis across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 7-person household.
Age 22
b. ~1908
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Lewis |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City Pt |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Frank Lewis | Head | — | 47 | ~1883 |
| Paul Lewis | Son | — | 3 | ~1927 |
| Lillian Lewis | Daughter | — | 22 | ~1908 |
| Ramona Lewis | Daughter | — | 15 | ~1915 |
| Ramon Lewis | Son | — | 15 | ~1915 |
| Leland Lewis | Son | — | 20 | ~1910 |
| Marian Lewis | Spouse | — | 43 | ~1887 |
Census Appearances
1930
San Francisco, …
Daughter, age 22
San Francisco, California · implied b. ~1908 — 7 household members
| Surname | Lewis |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 33
San-Francisco-County, California · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Lealil |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Divorced |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Occupation | Housekeeper |
| Highest Grade | H 3 |
| 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 Lillian Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Lewis
Daughter · 1930 · age 22 · b. ~1908 · California
★ You are viewing this record
Sibling
Ramon Lewis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Lewis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ramona Lewis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lewis
Sibling · 1930 · age 3
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:californiacensus00reel206:1023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Luchsinger | 7 | Daughter | — | California |
| 2 | Nancy Luchsinger | 2 | Daughter | — | California |
| 3 | Martha Zierold | 25 | Maid | Maid | Germany |
| 4 | Lena Vogel | 27 | Maid | Maid | Germany |
| 5 | Benjamin Luman | 55 | Head | Broker | Delaware |
| 6 | Sadie Luman | 38 | Wife | — | Kansas |
| 7 | Elizabeth Luman | 18 | Daughter | — | California |
| 8 | Frederick Jones | 56 | Head | Salesman | Massachusetts |
| 9 | Julia H. Jones | 47 | Wife | — | California |
| 10 | Mary Breen | 23 | Step-daughter | — | California |
| 11 | Joseph Metzger | 60 | Head | — | Austria |
| 12 | Eva Metzger | 53 | Wife | — | Austria |
| 13 | Sanford Metzger | 34 | Son | Manufacturer | New York |
| 14 | Edward Metzger | 32 | Son | Physician | California |
| 15 | Helen J. Hutchinson | 63 | Head | — | California |
| 16 | Katherine Hutchinson | 40 | Daughter | Teacher | California |
| 17 | James Jones | 14 | Grand-son | — | California |
| 18 | Jesse Koshland | 70 | Head | Teller | California |
| 19 | Laura E. Koshland | 57 | Wife | — | Maine |
| 20 | Harriet Koshland | 25 | Daughter | Stenographer | California |
| 21 | Gertrude Koshland | 23 | Daughter | Stenographer | California |
| 22 | Benj. D. Dean | 62 | Head | — | California |
| 23 | Lillian H. Dean | 52 | Sister | — | California |
| 24 | Mary S. Kornliker | 55 | Maid | Maid | Western Ireland |
| 25 | Hubert R. Arnold | 37 | Head | Physician | Oregon |
| 26 | Mary Arnold | 29 | Wife | — | California |
| 27 | Hubert Jr. Arnold | 2 | Son | — | California |
| 28 | Burkett Arnold | 1 | Son | — | California |
| 29 | Mabel Young | 45 | Cook | Cook | California |
| 30 | Elizabeth Lloyd | 41 | Maid | Nurse | England |
| 31 | Frank R. Lewis | 47 | Head | Clerk | California |
| 32 | Marian Lewis | 43 | Wife | — | California |
| 33 | Lillian Lewis THIS PERSON | 22 | Daughter | — | California |
| 34 | Leland Lewis | 20 | Son | Salesman | California |
| 35 | Ramon Lewis | 15 | Son | — | California |
| 36 | Ramona Lewis | 15 | Daughter | — | California |
| 37 | Paul Lewis | 3 | Son | — | California |
| 38 | Max L. Rosenberg | 57 | Head | Merchant | California |
| 39 | Emilie Oppenheimer | 55 | Cousin | — | Germany |
| 40 | Maren Nilsson | 55 | Maid | Maid | Norway |
| 41 | Albert H. Jacobson | 48 | Head | Book Keeper | Belgium |
| 42 | Helene Jacobson | 38 | Wife | — | Belgium |
| 43 | Lillian Jacobson | 16 | Daughter | — | California |
| 44 | Diana Jacobson | 9 | Daughter | — | California |
| 45 | Helen Jacobson | 7 | Daughter | — | California |
| 46 | Rich. Erilman | 37 | Head | Broker | California |
| 47 | Josephine Erilman | 21 | Wife | — | California |
| 48 | Doris Jo Erilman | 6 | Son | — | California |
| 49 | Lillian Erilman | 5 | Daughter | — | California |
| 50 | Anna Strand | 40 | Cook | Cook | Sweden |
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)