HL
Helen Lee — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Helen Lee across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Nathan & Nathan — first a daughter (b.~1913), then head of a 5-person household.
Age 17
b. ~1913
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Lee |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| 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 | ~1913 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Lee | Daughter | — | 17 | ~1913 |
| Nathan Lee | Head | — | 45 | ~1885 |
| William Lee | Son | — | 12 | ~1918 |
| Ethel Lee | Other | — | 45 | ~1885 |
| Robert Lee | Son | — | 14 | ~1916 |
Census Appearances
1920
San Francisco, …
Daughter, age 7
San Francisco, California · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Helen May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 17
San Francisco, California · implied b. ~1913 — 5 household members
| Surname | Lee |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| 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 27
San-Francisco-County, California · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| 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 Helen Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nathan Lee (~0.92 confidence) and father Nathan Lee (~0.92 confidence) and mother Ethel Lee (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nathan Lee
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Nathan Lee
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ethel Lee
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Lee
Daughter · 1930 · age 17 · b. ~1913 · California
★ You are viewing this record
Sibling
William Lee
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lee
Sibling · 1930 · age 14
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
42 people indexed on this census page (ia:1930:californiacensus00reel204:0016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Enoch Alldredge | 30 | Head | Salesman | Minnesota |
| 52 | Esther Alldredge | 21 | Wife-H | — | Minnesota |
| 53 | Walden Alldredge | 10 | Son | — | California |
| 54 | Valerie Alldredge | 7 | Daughter | — | California |
| 55 | Carmen Alldredge | 5 | Daughter | — | California |
| 56 | Winifred Alldredge | 3 | Daughter | — | California |
| 57 | Caleb Alldredge | 1 | Son | — | California |
| 58 | Luigi Sangiacomo | 38 | Head | Plumber | Italy |
| 59 | Rose Sangiacomo | 26 | Wife-H | — | Italy |
| 60 | Frank A. Kilduff | 37 | Head | Mechanic | California |
| 61 | Mary J. Kilduff | 31 | Wife-H | — | California |
| 62 | Elizabeth Conlon | 57 | Mother-in-law | Typist | California |
| 65 | Thomas E. Wales | 42 | Head | Statistician | Oregon |
| 66 | Eva M. Wales | 40 | Wife-H | Book-Keeper | California |
| 67 | Edna M. Wales | 18 | Daughter | Typist | California |
| 68 | Thomas E. Jr. Wales | 5 | Son | — | California |
| 71 | Nathan S. Lee | 45 | Head | Salesman | Iowa |
| 72 | Ethel M. Lee | 45 | Wife-H | — | Iowa |
| 73 | Helen M. Lee THIS PERSON | 17 | Daughter | — | California |
| 74 | Robert N. Lee | 14 | Son | — | California |
| 75 | William S. Lee | 12 | Son | — | Nevada |
| 77 | James Le Mont | 34 | Head | Real Estate | Greece |
| 78 | Ruth Le Mont | 33 | Wife-H | — | California |
| 79 | Christine Le Mont | 4 | Daughter | — | California |
| 80 | Frank Jr. Le Mont | 2 | Son | — | California |
| 82 | Clarence E. Kohlmann | 39 | Head | Manager | Wisconsin |
| 83 | Bess R. Kohlmann | 39 | Wife-H | — | Washington |
| 84 | Jean Kohlmann | 12 | Daughter | — | California |
| 85 | Sophia M. Mckay | 65 | Mother-in-law | House-Mother | Illinois |
| 86 | John W. Island | 44 | Head | Stevedore | Finland |
| 87 | Ivanna Island | 38 | Wife-H | — | Norway |
| 88 | Stanley W. Island | 9 | Son | — | California |
| 89 | James P. Trogakas | 38 | Head | — | Greece |
| 90 | Nell T. Trogakas | 34 | Wife-H | — | Illinois |
| 91 | Peter J. Trogakas | 4 | Son | — | California |
| 92 | Harry J. Trogakas | 2 | Son | — | California |
| 94 | Alonzo R. Elder | 55 | Head | Watchman | Missouri |
| 95 | Jennie G. Elder | 55 | Wife-H | — | Illinois |
| 96 | Reginald Hughes | 20 | Step-son | Truck Driver | Ohio |
| 97 | Alice L. Harvey | 60 | Head | — | Missouri |
| 98 | Gladys M. Harvey | 32 | Daughter | Clerk | Iowa |
| 99 | Phyllis Harvey | 30 | Daughter | Secretary | Iowa |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 3 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)