WD
William Dunn — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this William Dunn across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents William & Mary — first a head (b.~1889), then head of a 7-person household.
Age 41
b. ~1889
Male
Head
Born: California
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 19 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Collector |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Collector |
| Township / Ward | City Of San Francisco |
| Est. Birth Year | ~1889 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Dunn | Head | — | 41 | ~1889 |
| Nellie Weldon | Other | — | 70 | ~1860 |
| Phillip Kerron | Other | — | 18 | ~1912 |
| Kathleen Rice | Other | — | 48 | ~1882 |
| William Rice | Other | — | 38 | ~1892 |
| William Dunn | Son | — | 9 | ~1921 |
| Evelyn Dunn | Spouse | — | 37 | ~1893 |
Census Appearances
1910
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1889 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Carpenter |
| Industry | House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 31
San Francisco, California · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 41
San Francisco, California · implied b. ~1889 — 7 household members
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 19 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Collector |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| 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 William Dunn across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father William Dunn (~0.92 confidence) and mother Mary Dunn (~0.92 confidence) and mother Mary Dunn (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
William Dunn
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Mary Dunn
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Dunn
b. ~1886
Source mother
● Household
· direct · ~0.6
This person
Anchor record
William Dunn
Head · 1930 · age 41 · b. ~1889 · California
★ You are viewing this record
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
41 people indexed on this census page (ia:1930:californiacensus00reel197:0351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Baunauf | 32 | Head | Operator | California |
| 2 | Walter Baunauf | 17 | Brother | — | California |
| 3 | Lillian Baunauf | 16 | Sister | — | California |
| 4 | Albert Rodgers | 31 | Head | Storekeeper | California |
| 5 | Alberta Rodgers | 25 | Wife | Operator | California |
| 8 | John Demetris | 40 | Head | Partner | Greece |
| 9 | Mary H. Demetris | 29 | Wife | — | France |
| 10 | Florence Demetris | 6 | Daughter | — | California |
| 11 | Evelyn Demetris | 5 | Daughter | — | California |
| 12 | John Demetris | 1 | Son | — | California |
| 13 | Eloie Plateau | 58 | Mother-in-law | — | France |
| 14 | Joseph Abrams | 42 | Head | Commercial Agent | California |
| 15 | Blanche Abrams | 38 | Wife | — | California |
| 16 | Norman Abrams | 7 | Son | — | New York |
| 17 | Sherry Miriam Abrams | 10 | Niece | — | California |
| 18 | Walter S. Evans | 41 | Head | Machinist | Minnesota |
| 19 | Myrtle Evans | 36 | Wife | — | Kansas |
| 20 | Thomas Carlsen | 34 | Head | Milkman | California |
| 21 | Anna Carlsen | 28 | Wife | — | California |
| 22 | Wesley Carlsen | 21 | Son | Stenographer | California |
| 23 | George Carlsen | 3 | Brother | — | California |
| 24 | John Euloristerio | 45 | Head | Stone Cutter | Italy |
| 25 | Phoebe Euloristerio | 40 | Wife | — | Portugal |
| 26 | Charles Euloristerio | 21 | Son | Stone Cutter | California |
| 27 | Edward Euloristerio | 17 | Son | Do [Stone Cutter] | California |
| 28 | George Euloristerio | 14 | Son | — | California |
| 29 | Rose Meires | 20 | Step-daughter | Saleslady | California |
| 30 | Ada Hamilton | 57 | Head | — | California |
| 31 | Irene Hamilton | 23 | Daughter | Stenographer | California |
| 32 | Hazel Hamilton | 21 | Daughter | Stenographer | California |
| 33 | Lorene Pison | 21 | Boarder | Clerk | California |
| 34 | William Dunn THIS PERSON | 41 | Head | Collector | California |
| 35 | Evelyn Dunn | 37 | Wife | — | California |
| 36 | William Dunn | 9 | Son | — | California |
| 37 | William J. Rice | 38 | Step-father | Repairer | Hawaii |
| 38 | Kathleen Rice | 48 | Mother | — | California |
| 39 | Nellie Weldon | 70 | Grandmother | Seamstress | California |
| 40 | Phillip Kerron | 18 | Brother | — | California |
| 41 | Rose Bonnell | 37 | Head | — | California |
| 42 | James Bonnell | 15 | Son | — | California |
| 43 | Margaret Bonnell | 13 | Daughter | — | California |
Pedigree Summary
William
Gen 1 · 3 parents
~0.81
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)