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Helen Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this Helen Martin across the 1910, 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Arthur & Annie — first a daughter (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Bookkeeper |
| Township / Ward | Oakland City Part |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Martin | Daughter | — | 20 | ~1910 |
| Leila Martin | Head | — | 49 | ~1881 |
| Lawrence Paulsen | Other | — | 29 | ~1901 |
| Arthur Martin | Son | — | 14 | ~1916 |
Census Appearances
1910
Alameda, California
Daughter, age
Alameda, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Henrietta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Daughter, age 10
Alameda, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Daughter, age 20
Alameda, California · implied b. ~1910 — 4 household members
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Martin across 3 US Census years (1910, 1920 and 1930) in Alameda, California, using XGBoost record linkage. Identified parents: father Arthur Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence) and father Henry Martin (~0.92 confidence) and mother Leila Martin (~0.92 confidence) and mother Viola Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Henry Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Leila Martin
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Viola Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Martin
Daughter · 1930 · age 20 · b. ~1910 · California
★ You are viewing this record
Sibling
Arthur Martin
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 — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:15thcensuspopula102unit:0811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charlotte A Ingram | 42 | Wife | Cashier | California |
| 52 | Leila A Martin | 49 | Head | — | California |
| 53 | Helen Martin THIS PERSON | 20 | Daughter | Bookkeeper | California |
| 54 | Arthur B Martin | 14 | Son | — | California |
| 55 | Lawrence P Paulsen | 29 | Roomer | Clerk | Minnesota |
| 56 | William H Sinclair | 50 | Head | Gardener | New York |
| 57 | Katherine J Sinclair | 58 | Wife | — | Prince Edward Isle |
| 58 | — | None | — | — | — |
| 59 | — | None | — | — | — |
| 60 | Emma E Gessler | 38 | Head | — | Ohio |
| 61 | Doris F Gessler | 16 | Daughter | — | Ohio |
| 62 | James A Gessler | 12 | Son | — | Ohio |
| 63 | Grace Egan | 44 | Head | Saleslady | California |
| 64 | John J Egan | 11 | Son | — | California |
| 65 | William C Gelhart | 57 | Head | Account Clerk | Iowa |
| 66 | Ethel O Gelhart | 54 | Wife | — | Iowa |
| 67 | Ferdinand A Paine | 39 | Head | Merchant | California |
| 68 | Nellie M Paine | 38 | Wife | — | Iowa |
| 69 | Ferdinand A Jr Paine | 13 | Son | — | California |
| 70 | Pearl M Paine | 11 | Daughter | — | California |
| 71 | John H Paine | 8 | Son | — | California |
| 72 | Marian G Paine | 4 | Daughter | — | California |
| 73 | James H Collins | 69 | Head | Storekeeper | Iowa |
| 74 | Ada C Collins | 58 | Wife | — | Ohio |
| 75 | Adrian L Drost | 43 | Head | — | Holland |
| 76 | Mildred J Drost | 35 | Wife | Stenographer | Missouri |
| 77 | Margaret M Drost | 7 | Daughter | — | California |
| 78 | Margaret A Hildebrant | 71 | Mother-in-law | — | Pennsylvania |
| 79 | Helen E Spear | 55 | Head | — | New Hampshire |
| 80 | Delmont Spear | 28 | Son | Shoe Repairing | California |
| 81 | Lois H Spear | 21 | Daughter | Stenographer | California |
| 82 | Thomas Caulfield | 31 | Head | Laborer | Northern Ireland |
| 83 | Sarah Caulfield | 30 | Wife | — | Northern Ireland |
| 84 | Joseph P Caulfield | 2 | Son | — | California |
| 85 | Thomas M Caulfield | 1 | Son | — | California |
| 86 | May W Keenan | 38 | Head | Stenographer | Missouri |
| 87 | Charles M Smithson | 54 | Head | Butcher | Indiana |
| 88 | Lucille P Smithson | 46 | Wife | — | Iowa |
| 89 | William E Jr Jones | 27 | Head | Proprietor | California |
| 90 | Mary K Jones | 27 | Wife | — | Kansas |
| 91 | Richard L Jones | 9 | Son | — | California |
| 92 | Phyllis C Jones | 6 | Daughter | — | California |
| 93 | Ellen S Kates | 70 | Mother-in-law | — | New York |
| 94 | Earl M Threlfall | 38 | Head | Stereotyper | California |
| 95 | Lydia R Threlfall | 28 | Wife | — | California |
| 96 | Katherine I Threlfall | 1 | Daughter | — | California |
| 97 | Nellie Fairhurst | 75 | Head | — | England |
| 98 | Frank P Kane | 58 | Head | Collector | California |
| 99 | Mary J Kane | 44 | Wife | — | Northern Ireland |
| 100 | Owen R Kane | 24 | Son | Auditor | California |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 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)