HC
Helen Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Helen Clark across the 1910, 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Frank & Francis — first a daughter (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | City Of San Francisco |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Clark | Daughter | — | 22 | ~1908 |
| Francis Clark | Head | — | 60 | ~1870 |
| Eddie Clark | Son | — | 27 | ~1903 |
Census Appearances
1910
San Francisco, …
Daughter, age 2
San Francisco, California · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 12
San Francisco, California · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| 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 22
San Francisco, California · implied b. ~1908 — 3 household members
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| 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 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Industry | 0 |
| Class of Worker | 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 Clark across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Becha (~0.92 confidence) and father Francis Clark (~0.92 confidence) and father Frank Clark (~0.92 confidence) and father Frank Clark (~0.92 confidence) and mother Estelle Clark (~0.92 confidence) and mother Stella Clark (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Becha
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Francis Clark
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frank Clark
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frank Clark
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Estelle Clark
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Stella Clark
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Clark
Daughter · 1930 · age 22 · b. ~1908 · California
★ You are viewing this record
Sibling
Eddie Clark
Sibling · 1930 · age 27
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
49 people indexed on this census page (ia:1930:californiacensus00reel198:0839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Ambro | 63 | Head | Wood Worker | Hungary |
| 52 | Caroline Ambro | 49 | wife-H | None | Hungary |
| 53 | Gustav A Ambro | 29 | son | Engineer | Hungary |
| 55 | Francis L Clark | 60 | Head | Lather | Iowa |
| 56 | Eddie Clark | 27 | son | — | Illinois |
| 57 | Helen Clark THIS PERSON | 22 | daughter | None | California |
| 58 | Charles J Clement | 43 | Head | Machinist | Germany |
| 59 | Ethel Clement | 40 | wife-H | None | Wisconsin |
| 60 | Charles R Clement | 19 | son | Apprentice | Colorado |
| 61 | Audrey C Clement | 16 | daughter | None | Colorado |
| 62 | Viola R Clement | 13 | daughter | None | Colorado |
| 63 | Frank M Clement | 5 | son | None | Colorado |
| 64 | John A. D. Price | 68 | Head | Prescription | New York |
| 65 | Caroline M Price | 42 | wife-H | Nurse | California |
| 66 | Frederick T Chilton | 50 | Roomer | Asst Chemist | England |
| 67 | E. R. Hinman | 63 | Head | None | Illinois |
| 68 | L. B. Hinman | 63 | wife-H | Grocery Store | Canada English |
| 69 | Philip C Kirk | 30 | Head | Switchman | California |
| 70 | Eva M Kirk | 30 | wife-H | None | Kansas |
| 71 | Philip C Jr Kirk | 9 | son | None | California |
| 72 | Phyllis R Kirk | 12 | daughter | None | California |
| 73 | George P Kirk | 8 | son | None | California |
| 74 | Evelyn V Kirk | 6 | daughter | None | California |
| 75 | Joseph D Kirk | 7 | son | None | California |
| 76 | Lloyd J Kirk | 4 | son | None | California |
| 77 | Albert Jackson | 64 | Head | Laborer | Norway |
| 78 | Sophie J Jackson | 51 | wife-H | None | Norway |
| 79 | Andrew S Jackson | 24 | son | Caddie | California |
| 80 | Martin J Jackson | 21 | son | Laborer | California |
| 81 | Harold F Jackson | 16 | son | Apprentice | California |
| 82 | Louis Burke | 21 | son-in-law | Clerk | California |
| 83 | Edna H Burke | 19 | daughter-in-law | None | California |
| 84 | James Morris | 60 | Head | Butcher | California |
| 85 | Hazel Mary A Morris | 31 | wife-H | None | Nevada |
| 86 | Claire V Morris | 7 | daughter | None | California |
| 87 | James W Morris | 6 | son | None | California |
| 88 | Ruth E Morris | 3 | daughter | None | California |
| 89 | William J Patel | 63 | Head | None | New York |
| 90 | Mamie Patel | 60 | wife-H | None | Denmark |
| 91 | Floyd Johnson | 22 | son-in-law | Apprentice | California |
| 92 | Suzanne Johnson | 20 | daughter | None | California |
| 93 | John T Welch | 61 | Head | — | Pennsylvania |
| 94 | Mary J Welch | 57 | wife-H | None | California |
| 95 | Phillip R Salaba | 45 | Head | Shipsmith | Syria |
| 96 | Ruth Salaba | 26 | wife-H | None | California |
| 97 | Dorcas E Salaba | 2 | daughter | None | California |
| 98 | David W Salaba | 1 | son | None | California |
| 99 | Emily A Springer | 49 | Mother-in-law | Nurse | Oregon |
| 100 | Nicholas Nolan | 64 | Head | Grocery | New York |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 6 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)