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Thomas Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Thomas Alexander across the 1910, 1920 and 1930 US Censuses in Los Angeles, California (XGBoost, ~Confirmed), with identified parents Eugene & Mary — first a son (b.~1897), then head of a 4-person household.
Age 33
b. ~1897
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Alexander |
| Given Name | Thomas B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Salesman |
| Industry | Surgical Supplies |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Salesman |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1897 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Alexander | Spouse | — | 55 | ~1875 |
| Eugene Alexander | Head | — | 57 | ~1873 |
| Thomas Alexander | Son | — | 33 | ~1897 |
| Annie Alexander | Other | — | 84 | ~1846 |
Census Appearances
1910
Los Angeles, …
Son, age 13
Los Angeles, California · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Thomas B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Los Angeles, …
Son, age 23
Los Angeles, California · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Thomas A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Brass Maker |
| Industry | Furniture |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Los Angeles, …
Son, age 33
Los Angeles, California · implied b. ~1897 — 4 household members
| Surname | Alexander |
| Given Name | Thomas B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Salesman |
| Industry | Surgical Supplies |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Alexander across 3 US Census years (1910, 1920 and 1930) in Los Angeles, California, using XGBoost record linkage. Identified parents: father Eugene Alexander (~0.92 confidence) and mother Mary Alexander (~0.92 confidence) and mother Mary Alexander (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Alexander
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Alexander
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Alexander
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Alexander
Son · 1930 · age 33 · b. ~1897 · 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 — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel150:0668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dollie Knopf | 66 | Head | None | Ohio |
| 52 | Lena Williams | 76 | Sister | None | Ohio |
| 53 | Eugene G. Alexander | 57 | Head | Proprietor | Missouri |
| 54 | Mary A. Alexander | 55 | Wife | None | Missouri |
| 55 | Thomas B. Alexander THIS PERSON | 33 | Son | Salesman | Missouri |
| 56 | Annie M. Alexander | 84 | Mother | None | Missouri |
| 57 | William F. Peschke | 24 | Head | Foreman | California |
| 58 | Roquelin Peschke | 50 | Wife | None | California |
| 59 | William J. Peschke | None | Son | Buyer | California |
| 60 | Anthony C. Peschke | None | Son | Electrician | California |
| 61 | Albert E. Peschke | None | Son | None | California |
| 62 | Eugene A. Peschke | None | Son | None | California |
| 63 | Bernard B. Peschke | None | Son | None | California |
| 64 | Rita C. Peschke | None | Daughter | None | California |
| 65 | Maud A. Stair | None | Head | None | Kansas |
| 66 | Albert L. Pike | None | Lodger | Driller | Kansas |
| 67 | Sol. Rosenberg | None | Lodger | Proprietor | Poland |
| 68 | William S. Hudson | None | Lodger | Electrician | California |
| 69 | Earl De Roy Copp | 21 | Head | Salesman | Montana |
| 70 | Pearl Copp | 20 | Wife | None | Idaho |
| 71 | Orson S. Chapple | None | Lodger | Pressman | Utah |
| 72 | Robert T. Temple | 24 | Head | Mechanic | California |
| 73 | Dorothy Temple | 17 | Wife | None | Michigan |
| 74 | Betty Lou Temple | None | Daughter | None | California |
| 75 | Mae I. Coogan | None | Lodger | Presser | California |
| 76 | John Schmitz | 27 | Head | Physician | Wisconsin |
| 77 | Anna Schmitz | 17 | Wife | None | Wisconsin |
| 78 | Kathryn Schmitz | None | Adopted daughter | None | California |
| 79 | Eldon Trowbridge | 30 | Lodger | Attendant | Canada English |
| 80 | Margaret Trowbridge | 29 | Daughter | None | Wisconsin |
| 81 | Phyllis Shields | None | Granddaughter | None | California |
| 82 | Margareta Jorgensen | None | Servant | Servant | California |
| 83 | Virginia The Claman | None | Head | Proprietor | Texas |
| 84 | Virginia M. The Claman | None | Daughter | None | California |
| 85 | Samuel A. Smith | None | Lodger | Road Superintendent | Missouri |
| 86 | Valentine De Simon | None | Lodger | Student | Philippine Isl. |
| 87 | Luis Baracgac | None | Lodger | Student | Philippine Isl. |
| 88 | Similac Circado | None | Lodger | Mechanic | Philippine Isl. |
| 89 | Alfred De Chaine | None | Lodger | Waiter | California |
| 90 | Jack Custer | None | Lodger | Truck Driver | Colorado |
| 91 | Joe Custer | None | Lodger | Builder | Colorado |
| 92 | Ignacio Villasenor | None | Lodger | Mechanic | Mexico |
| 93 | Humberto Castillo | None | Lodger | Mechanic | Mexico |
| 94 | Charles Freed | 30 | Lodger | Circulation Mgr. | Texas |
| 95 | Lillian Freed | 23 | Lodger | None | Oklahoma |
| 96 | Arthur James | None | Lodger | Operator | Pennsylvania |
| 97 | Stephan Gyurzik | None | Lodger | Tailor | Hungary |
| 98 | Arnie F. Blalock | None | Lodger | Salesman | California |
| 99 | Mary E. Mcewan | None | Lodger | Seamstress | Illinois |
| 100 | — | None | — | — | — |
Pedigree Summary
Thomas
Gen 1 · 3 parents
~0.92
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)