WB
William Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this William Barr across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 6-person household.
Age 16
b. ~1914
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Barr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1914 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| John Barr | Son | — | 18 | ~1912 |
| William Barr | Son | — | 16 | ~1914 |
| Alice Barr | Head | — | 47 | ~1883 |
| James Barr | Son | — | 9 | ~1921 |
| Alice Barr | Daughter | — | 22 | ~1908 |
| Robert Barr | Son | — | 12 | ~1918 |
Census Appearances
1930
San Francisco, …
Son, age 16
San Francisco, California · implied b. ~1914 — 6 household members
| Surname | Barr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 27
San-Francisco-County, California · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | BARI |
| Given Name | WILLIAM |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | CALIFORNIA |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | BUNDLE WRAPPER |
| Industry | LAUNDRY |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | No H2 |
| 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 William Barr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Barr
Son · 1930 · age 16 · b. ~1914 · California
★ You are viewing this record
Sibling
John Barr
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Barr
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Barr
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Barr
Sibling · 1930 · age 12
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:californiacensus00reel185:0970)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 51 | Sophia | 58 | Wife | Switzerland |
| 52 | Emma | 33 | Daughter | Switzerland |
| 53 | Elsa | 21 | Daughter | Switzerland |
| 54 | James Mahoney | 17 | Boarder | California |
| 55 | Harry M Larsen | 21 | Boarder | California |
| 56 | Ernest Vandegrift | 35 | Head | Michigan |
| 57 | Lillian Vandegrift | 32 | Wife | Utah |
| 58 | James Mcnair | 31 | Head | California |
| 59 | Dorothy Mcnair | 27 | Wife | California |
| 60 | Richard Wadsworth | 72 | Head | Illinois |
| 61 | Sarah Wadsworth | 71 | Wife | Illinois |
| 62 | James Tucker | 46 | Head | California |
| 63 | Lillian Tucker | 43 | Wife | California |
| 64 | James Tucker | 16 | Son | California |
| 65 | Margaret Tucker | 13 | Daughter | California |
| 66 | Edward Gladstone | 71 | Head | England |
| 67 | Mary Gladstone | 62 | Wife | New York |
| 68 | Edward Gladstone | 22 | Son | California |
| 69 | William Gladstone | 19 | Son | California |
| 70 | Lillian Gladstone | 17 | Daughter | California |
| 71 | Sarah Gladstone | 15 | Daughter | California |
| 72 | David Gladstone | 13 | Son | California |
| 73 | Ruth Gladstone | 11 | Daughter | California |
| 74 | John Gladstone | 9 | Son | California |
| 75 | Lillian Gladstone | 7 | Daughter | California |
| 76 | Elizabeth Gladstone | 5 | Daughter | California |
| 77 | Dorothy Gladstone | 3 | Daughter | California |
| 78 | Robert Gladstone | 1 | Son | California |
| 79 | John Gladstone | 44 | Head | England |
| 80 | Mary Gladstone | 40 | Wife | California |
| 81 | John Gladstone | 18 | Son | California |
| 82 | William Gladstone | 16 | Son | California |
| 83 | Robert Gladstone | 14 | Son | California |
| 84 | Elizabeth Gladstone | 12 | Daughter | California |
| 85 | Dorothy Gladstone | 10 | Daughter | California |
| 86 | Ernest Bernath | 53 | Head | Germany |
| 87 | Emma Bernath | 48 | Wife | Germany |
| 88 | Ernest Bernath | 27 | Son | California |
| 89 | William Bernath | 22 | Son | California |
| 90 | Walter Bernath | 19 | Son | California |
| 91 | Emma Bernath | 17 | Daughter | California |
| 92 | Louis Barr | 30 | Head | Rhode Island |
| 93 | Agnes Barr | 32 | Wife | California |
| 94 | Louis Barr | 8 | Son | California |
| 95 | Alice M Barr | 47 | Head | Canada Eng |
| 96 | Alice M Barr | 22 | Daughter | California |
| 97 | John Barr | 18 | Son | California |
| 98 | William Barr THIS PERSON | 16 | Son | California |
| 99 | Robert Barr | 12 | Son | California |
| 100 | James Barr | 9 | Son | California |
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)