RP
Ruth Porter — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Luis Obispo, California
Our Model Tree links this Ruth Porter across the 1920 and 1930 US Censuses in San Luis Obispo, California (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 6-person household.
Age 15
b. ~1915
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Luis Obispo, California |
| Surname | Porter |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Luis Obispo City |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Pearl Porter | Spouse | — | 38 | ~1892 |
| Edward Porter | Son | — | 12 | ~1918 |
| William Porter | Head | — | 49 | ~1881 |
| Ruth Porter | Daughter | — | 15 | ~1915 |
| Marion Porter | Daughter | — | 18 | ~1912 |
| Donovan Porter | Son | — | 21 | ~1909 |
Census Appearances
1920
San Luis …
Daughter, age 5
San Luis Obispo, California · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Luis …
Daughter, age 15
San Luis Obispo, California · implied b. ~1915 — 6 household members
| Surname | Porter |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Michigan |
| Occupation | none |
| 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 Ruth Porter across 2 US Census years (1920 and 1930) in San Luis Obispo, California, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Porter
Daughter · 1930 · age 15 · b. ~1915 · California
★ You are viewing this record
Sibling
Marion Porter
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Porter
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donovan Porter
Sibling · 1930 · age 21
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 Luis Obispo, California
Open full size
1930 US Federal Census — San Luis Obispo, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel213:0317)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray Rodrigues | 26 | Head | Proprietor | California |
| 2 | Anna Rodrigues | 24 | Wife | None | California |
| 3 | Rosa Ida Rodrigues | 0 | Daughter | None | California |
| 4 | Anselmo Scamara | 37 | Head | Carpenter | Switzerland |
| 5 | Florence Scamara | 28 | Wife | None | California |
| 6 | Robert Scamara | 5 | Son | None | California |
| 7 | Albert Scamara | 1 | Son | None | California |
| 8 | Frank A Carrao | 40 | Head | Driver | California |
| 9 | Beatrice Carrao | 21 | Wife | Marker | Pennsylvania |
| 10 | Virginia Carrao | 0 | Daughter | None | California |
| 11 | Fred Juhl | 50 | Head | None | Denmark |
| 12 | Bernice Juhl | 39 | Wife | None | Michigan |
| 13 | Conrad G Juhl | 10 | Son | None | California |
| 14 | — | None | — | — | — |
| 15 | — | None | — | — | — |
| 16 | — | None | — | — | — |
| 17 | — | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | — | None | — | — | — |
| 20 | — | None | — | — | — |
| 21 | Sue Baughman | 82 | Head | None | Kentucky |
| 22 | John B Baughman | 60 | Son | None | Kentucky |
| 23 | Jack H Stelton | 32 | Head | Acetylene Welder | Texas |
| 24 | Clutha G Stelton | 28 | Wife | None | Missouri |
| 25 | Jimmie Stelton | 7 | Son | None | Kansas |
| 26 | Walter F Buck | 25 | Head | Barber | Michigan |
| 27 | Pearl W Buck | 25 | Wife | None | California |
| 28 | June Marie Buck | 7 | Daughter | None | California |
| 29 | Walter Jr Buck | 6 | Son | None | California |
| 30 | William T Porter | 49 | Head | Contractor | Kentucky |
| 31 | Pearl M Porter | 38 | Wife | None | Michigan |
| 32 | Donovan Porter | 21 | Son | Foreman | California |
| 33 | Marion Porter | 18 | Daughter | None | California |
| 34 | Ruth Porter THIS PERSON | 15 | Daughter | None | California |
| 35 | Edward Porter | 12 | Son | None | California |
| 36 | — | None | — | — | — |
| 37 | Gilbert H Pittenger | 52 | Head | Finisher | Illinois |
| 38 | Lillian J Pittenger | 52 | Wife | None | California |
| 39 | Lloyd L Pittenger | 19 | Son | None | California |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)