KM
Katherine Miller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Katherine Miller across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Miller |
| Given Name | Katherine G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Student |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Margaret Campbell | Daughter | — | 27 | ~1903 |
| Katherine Miller | Daughter | — | 13 | ~1917 |
| Geo Miller | Head | — | 66 | ~1864 |
| John Campbell | Other | — | 4 | ~1926 |
| Eva Sutton | Other | — | 27 | ~1903 |
| James Miller | Son | — | 21 | ~1909 |
| Harold Miller | Son | — | 26 | ~1904 |
| John Miller | Son | — | 11 | ~1919 |
| Margaret Rule | Son | — | 10 | ~1920 |
| Emma Miller | Spouse | — | 57 | ~1873 |
Census Appearances
1930
San Francisco, …
Daughter, age 13
San Francisco, California · implied b. ~1917 — 10 household members
| Surname | Miller |
| Given Name | Katherine G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 24
San-Francisco-County, California · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Kathleen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Katherine Miller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Miller
Daughter · 1930 · age 13 · b. ~1917 · California
★ You are viewing this record
Sibling
James Miller
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Miller
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Rule
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Miller
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Campbell
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
45 people indexed on this census page (ia:1930:californiacensus00reel202:0649)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Ruiz De Lopez | 44 | Head | — | California |
| 2 | Benjamin Ruiz De Lopez | 16 | Son | Student | California |
| 3 | Lucille Ruiz De Lopez | 11 | Daughter | — | California |
| 4 | Victor Von Lacher | 51 | Brother-in-law | — | California |
| 5 | Fred Lunderman | 52 | Head | Painter | Indiana |
| 6 | Florence Lunderman | 47 | Wife | — | California |
| 7 | Margaret Lunderman | 22 | Daughter | Stenographer | California |
| 8 | Elizabeth Lunderman | 19 | Daughter | — | California |
| 9 | Fred J. Lunderman | 55 | Head | Painter | Germany |
| 10 | Anna Lunderman | 56 | Wife | — | Germany |
| 11 | Fred W. Lunderman | 27 | Head | Salesman | New York |
| 12 | Mildred Lunderman | 25 | Wife | — | Illinois |
| 13 | Frank G. Young | 33 | Head | Cleaner And Dyer | New York |
| 14 | Mary Young | 33 | Wife | Clerk | Indiana |
| 15 | Frank Young | 7 | Son | — | Indiana |
| 16 | Richard Young | 10 | Son | — | Indiana |
| 17 | May W. Watts | 57 | Head | — | Massachusetts |
| 18 | Wm. J. Frenz | 60 | Head | Merchant | California |
| 19 | Katherine Frenz | 48 | Wife | — | Ohio |
| 20 | William Frenz | 26 | Son | Bank | California |
| 21 | Katherine Frenz | 23 | Daughter | — | California |
| 22 | Frank H. Frenz | 18 | Son | Student | California |
| 23 | Angela Frenz | 20 | Daughter | — | California |
| 24 | Louis J. Richter | 43 | Head | — | Indiana |
| 25 | Mary Richter | 40 | Wife | — | California |
| 26 | Robert Richter | 17 | Son | — | California |
| 27 | Herbert Richter | 12 | Son | — | California |
| 28 | Louis Richter | 10 | Son | — | California |
| 29 | Margaret Richter | 47 | Servant | Private Family | Ireland |
| 32 | David J. Bupple | 63 | Head | Retired | New Jersey |
| 33 | Rose Bupple | 56 | Wife | — | New York |
| 34 | Leslie A. Bupple | 36 | Son | Real Estate | New York |
| 35 | Geo. W. Miller | 66 | Head | Retired | California |
| 36 | Emma A. Miller | 57 | Wife | — | California |
| 37 | Harold V. Miller | 26 | Son | Salesman | California |
| 38 | James E. Miller | 21 | Son | Cashier | California |
| 39 | Katherine G. Miller THIS PERSON | 13 | Daughter | Student | California |
| 40 | John Miller | 11 | Son | Student | California |
| 41 | Margaret Campbell | 27 | Daughter | — | California |
| 42 | John Campbell | 4 | Grandson | — | California |
| 43 | Margaret F. Rule | 10 | Son | Student | California |
| 44 | Eva Sutton | 27 | Guest | Milliner | Italy |
| 46 | William Bernhard | 49 | Head | Salesman | Washington |
| 47 | Josephine Bernhard | 83 | Mother | — | Canada Eng. |
| 48 | Robert A. Graham | 46 | Friend | Attorney | South Dakota |
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)