TB
Thomas Bailey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sonoma, California
Our Model Tree links this Thomas Bailey across the 1930 and 1940 US Censuses in Sonoma, California (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 11-person household.
Age 12
b. ~1918
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sonoma, California |
| Surname | Bailey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Petaluma Township Liberty Precinct |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Alban Bailey | Head | — | 54 | ~1876 |
| Thomas Bailey | Son | — | 12 | ~1918 |
| Eugene Bailey | Other | — | 55 | ~1875 |
| Dorothy Bailey | Daughter | — | 7 | ~1923 |
| Marie Bailey | Spouse | — | 44 | ~1886 |
| Robert Bailey | Son | — | 3 | ~1927 |
| Barbara Bailey | Daughter | — | 5 | ~1925 |
| Mervin Bailey | Son | — | 11 | ~1919 |
| Alban Bailey | Son | — | 16 | ~1914 |
| John Bailey | Son | — | 14 | ~1916 |
| Charles Bailey | Son | — | 2 | ~1928 |
Census Appearances
1930
Sonoma, California
Son, age 12
Sonoma, California · implied b. ~1918 — 11 household members
| Surname | Bailey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Sonoma-County, California
Son, age 23
Sonoma-County, California · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Thana F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Santa Rosa |
| 1935 Residence (County) | Sonoma |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 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 Thomas Bailey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Bailey
Son · 1930 · age 12 · b. ~1918 · California
★ You are viewing this record
Sibling
Alban Bailey
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mervin Bailey
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Bailey
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Bailey
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bailey
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Bailey
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Bailey
Sibling · 1930 · age 7
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 — Sonoma, California
Open full size
1930 US Federal Census — Sonoma, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel222:0379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah E. Merritt | 92 | Head | — | Missouri |
| 2 | Mary Dushman | 58 | Servant | Yes | Switzerland |
| 3 | Peter C. Andersen | 69 | Head | Yes | Denmark |
| 4 | Emma Andersen | 51 | Wife | — | California |
| 5 | Chris Larsen | 56 | Head | Yes | Denmark |
| 6 | Edith Larsen | 52 | Wife | Yes | England |
| 7 | Alban J. Bailey | 54 | Head | Salesman | California |
| 8 | Marie P. Bailey | 44 | Wife | — | California |
| 9 | Alban L. Bailey | 16 | Son | — | California |
| 10 | John R. Bailey | 14 | Son | — | California |
| 11 | Thomas F. Bailey THIS PERSON | 12 | Son | — | California |
| 12 | Mervin A. Bailey | 11 | Son | — | California |
| 13 | Dorothy M. Bailey | 7 | Daughter | — | California |
| 14 | Barbara Bailey | 5 | Daughter | — | California |
| 15 | Robert W. Bailey | 3 | Son | — | California |
| 16 | Charles Bailey | 2 | Son | — | California |
| 17 | Eugene R. Bailey | 55 | Brother | Farmer | California |
| 18 | Thomas J. Wilson | 58 | Head | Poultryman | California |
| 19 | Annie Wilson | 50 | Wife | — | California |
| 20 | Earl H. Bundesen | 39 | Head | Manager | California |
| 21 | Sylvia Bundesen | 38 | Wife | — | California |
| 22 | Cecil Bundesen | 15 | Son | — | California |
| 23 | Vernon Bundesen | 10 | Son | — | California |
| 24 | Russell Bundesen | 8 | Son | — | California |
| 25 | William Fields | 41 | Head | Salesman | Kentucky |
| 26 | Ann Fields | 42 | Wife | — | New York |
| 27 | Frank Fields | 7 | Son | — | California |
| 28 | Max Zarkas | 44 | Head | Yes | Russia |
| 29 | Estelle Zarkas | 40 | Wife | Yes | Russia |
| 30 | Rose Zarkas | 18 | Daughter | Yes | Russia |
| 31 | Freddie Zarkas | 16 | Son | — | Minnesota |
| 32 | Leon Zarkas | 15 | Son | — | Minnesota |
| 33 | Hennie Zarkas | 13 | Son | — | Minnesota |
| 34 | Betty Zarkas | 10 | Daughter | — | California |
| 35 | Israel Zarkas | 8 | Son | — | California |
| 36 | Ray Mcdowell | 27 | Head | Farm Laborer | Montana |
| 37 | Donnis Mcdowell | 27 | Wife | — | Oregon |
| 38 | Arlon Mcdowell | 6 | Son | — | California |
| 39 | Dove Mcdowell | 5 | Daughter | — | California |
| 40 | Thorbjorn E. Sunde | 48 | Head | Yes | Norway |
| 41 | Esther E. Sunde | 40 | Wife | Yes | Irish Free State |
| 42 | Esther M. Sunde | 17 | Daughter | — | California |
| 43 | Kathleen L. Sunde | 11 | Daughter | — | California |
| 44 | Carsten R. Hansen | 33 | Head | Yes | Schleswig-Germany |
| 45 | Ottoline Hansen | 30 | Wife | Yes | Schleswig-Germany |
| 46 | Irvin Hansen | 4 | Son | — | California |
| 47 | Carleen Hansen | 3 | Daughter | — | California |
| 48 | Knud Carlson | 49 | Head | Yes | Norway |
| 49 | Sanna Carlson | 43 | Wife | Yes | Norway |
| 50 | Kenneth Carlson | 14 | Son | — | Oregon |
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)