JM
Joan Miller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Joan Miller across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 4
b. ~1926
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Miller |
| Given Name | Joan E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1926 |
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 Joan | Age | Birth yr |
|---|---|---|---|---|
| Audrey Miller | Spouse | — | 25 | ~1905 |
| Roy Miller | Son | — | 3 | ~1927 |
| Joan Miller | Daughter | — | 4 | ~1926 |
| Egil Miller | Head | — | 26 | ~1904 |
| Hans Severnsen | Other | — | 19 | ~1911 |
| Werner Isenberg | Other | — | 18 | ~1912 |
Census Appearances
1930
San Francisco, …
Daughter, age 4
San Francisco, California · implied b. ~1926 — 6 household members
| Surname | Miller |
| Given Name | Joan E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 14
San-Francisco-County, California · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | 8 |
| 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 Joan Miller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Miller
Daughter · 1930 · age 4 · b. ~1926 · California
★ You are viewing this record
Sibling
Roy Miller
Sibling · 1930 · age 3
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
50 people indexed on this census page (ia:1930:californiacensus00reel197:0739)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phillip S. Spinks | 21 | Head | Surveyor | California |
| 2 | Janet Spinks | 24 | Wife | — | California |
| 3 | Madeline Hicks | 63 | Head | Plasterer | Mississippi |
| 4 | Mary M. Hicks | 60 | Wife | — | Missouri |
| 5 | Frederick Schwenzer | 52 | Head | Plumber | Germany |
| 6 | Christine Schwenzer | 51 | Wife | — | Germany |
| 7 | John Schwenzer | 26 | Son | Painter | California |
| 8 | Albert Schwenzer | 22 | Son | Post. Clerk | California |
| 9 | Lilly Schwenzer | 20 | Daughter | Clerk | California |
| 10 | Ruth Schwenzer | 16 | Daughter | — | California |
| 11 | Ester Schwenzer | 14 | Daughter | — | California |
| 12 | Robert S. Anthony | 47 | Head | Carpet Merchant | Missouri |
| 13 | Leora Anthony | 46 | Wife | — | Indiana |
| 14 | Egil C. Miller | 26 | Head | Auto Mechanic | Denmark |
| 15 | Audrey Miller | 25 | Wife | — | Denmark |
| 16 | Joan E. Miller THIS PERSON | 4 | Daughter | — | California |
| 17 | Roy C. Miller | 3 | Son | — | California |
| 18 | Werner Isenberg | 18 | Brother-in-law | Mechanic | Denmark |
| 19 | Hans Severnsen | 19 | Lodger | Carpenter | Denmark |
| 20 | Edward Foster | 65 | Head | Harnessmaker | Belgium |
| 21 | Effie S. Foster | 64 | Wife | — | Boston |
| 22 | Herbert B. Williams | 41 | Head | Salesman | England |
| 23 | Marie Williams | 51 | Wife | — | Minnesota |
| 24 | B. F. Johnson | 74 | Head | — | New York |
| 25 | Mary Johnson | 65 | Wife | — | California |
| 26 | George Johnson | 38 | Son | — | California |
| 27 | Charlotte Johnson | 47 | Daughter | — | California |
| 28 | Dwight Johnson | 21 | Son | — | California |
| 29 | Walter S. Schramm | 45 | Head | Dentist | Germany |
| 30 | Anna Schramm | 44 | Wife | — | Ohio |
| 31 | Gerd Schramm | 5 | Son | — | California |
| 32 | Margaret Schramm | 4 | Daughter | — | California |
| 33 | Myrt J. Knopf | 48 | Head | — | Germany |
| 34 | Lulu Knopf | 44 | Wife | — | California |
| 35 | Margaret R. Knopf | 12 | Son | — | California |
| 36 | John P. Knopf | 3 | Son | — | California |
| 37 | Jane Knopf | 80 | Mother | — | Belgium |
| 38 | Lucille Knopf | 21 | Daughter | Stenographer | California |
| 39 | Milton P. Sage | 42 | Head | Carpenter | Illinois |
| 40 | Florence Sage | 32 | Wife | — | California |
| 41 | Daniel Hayes | 9 | Step-son | — | Tennessee |
| 42 | Erna Hayes | 7 | Step-daughter | — | Tennessee |
| 43 | James Mccormick | 61 | Lodger | Plumber | California |
| 44 | Frank Gund | 35 | Head | Salesman | U.S. |
| 45 | Elaine Gund | 30 | Wife | — | U.S. |
| 46 | Jos. P. Osterloh | 46 | Head | Foreman | California |
| 47 | Louise Osterloh | 48 | Wife | — | California |
| 48 | Jos. B. Jr. Osterloh | 14 | Son | — | California |
| 49 | Margaret Osterloh | 11 | Daughter | — | California |
| 50 | Sarah W. Nelson | 64 | Head | — | New York |
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)