TK
Thomas Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Thomas Kelly across the 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents John & Margaret — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Kelly |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Livermore City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Salesman |
| Industry | Electric Service |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 152 |
| Highest Grade | H-1 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Salesman |
| Township / Ward | Livermore City |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Kelly | Daughter | — | 15 | ~1925 |
| Thomas Kelly | Head | — | 42 | ~1898 |
| Thomas Kelly | Son | — | 17 | ~1923 |
| Theresa Kelly | Spouse | — | 42 | ~1898 |
Census Appearances
1910
Alameda, California
Son, age 12
Alameda, California · implied b. ~1898 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 21
Alameda, California · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Head, age 32
Alameda, California · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Manager |
| Industry | Garage |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 42
Alameda-County, California · implied b. ~1898 — 4 household members
| Surname | Kelly |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Livermore City |
| 1935 Residence (County) | Alameda |
| Occupation | Salesman |
| Industry | Electric Service |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 152 |
| Highest Grade | H-1 |
| 1935 Residence | Same House |
| 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 Kelly across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelly (~0.92 confidence) and mother Margaret Kelly (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kelly
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Margaret Kelly
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Kelly
Head · 1940 · age 42 · b. ~1898 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00186-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard J. Sr. Knurr | 47 | Head | Attendant | California |
| 2 | Rebecca E. Knurr | 50 | Wife | — | New York |
| 3 | Simona A. Knurr | 17 | Daughter | — | Maryland |
| 4 | Richard J. Jr. Knurr | 14 | Son | — | Washington |
| 5 | Fred G. Smith | 59 | Head | Forest Fire Dispatcher | Ohio |
| 6 | Margaret F. Smith | 52 | Wife | — | Montana |
| 7 | Elizabeth Mccormick | 29 | Daughter | Typist | Montana |
| 8 | John P. Flanagan | 71 | Boarder | Carpenter | Canada French |
| 9 | C. W. Zimmerman | 70 | Head | — | California |
| 10 | Mary Zimmerman | 74 | Sister | — | California |
| 11 | Hannah Zimmerman | 60 | Sister | — | California |
| 12 | A. G. Ketteman | 40 | Head | Telegraph Operator | New York |
| 13 | Valentine J. Ketteman | 84 | Father | — | Germany |
| 14 | Elizabeth Ketteman | 73 | Mother | — | Illinois |
| 15 | Earl Strominger | 47 | Head | Mechanic | Pennsylvania |
| 16 | Hazel Strominger | 41 | Wife | Lecturer | California |
| 17 | Freda Strominger | 22 | Daughter | — | California |
| 18 | F. Leslie Herrick | 52 | Head | Medical Doctor | California |
| 19 | Palmyra Herrick | 58 | Wife | — | France |
| 20 | Ralph R. Herrick | 22 | Son | — | California |
| 21 | Robert C. Lilja | 20 | Step-son | — | California |
| 22 | Cornelius Twohey | 52 | Head | Stationary Engineer | California |
| 23 | Mary Twohey | 40 | Wife | — | California |
| 24 | Barbara Twohey | 18 | Daughter | — | California |
| 25 | Robert Twohey | 15 | Son | — | California |
| 26 | Elizabeth Twohey | 13 | Daughter | — | California |
| 27 | Henry Husted | 24 | Lodger | Post Office Clerk | California |
| 28 | John D. Jr. Caffey | 19 | Lodger | Printer | California |
| 29 | Gertrude R. Wilson | 76 | Head | Building Mgr. | Germany |
| 30 | William L. Wilson | 48 | Son | Manager | Michigan |
| 31 | — | None | — | — | — |
| 32 | Charles Gilbert | 63 | Head | Chiropractor | California |
| 33 | Dora Gilbert | 69 | Wife | — | Nebraska |
| 34 | Frank Tiana | 42 | Head | Merchant | California |
| 35 | Ada Tiana | 46 | Wife | — | California |
| 36 | Thomas Kelly THIS PERSON | 42 | Head | Salesman | California |
| 37 | Theresa Kelly | 42 | Wife | — | California |
| 38 | Thomas Jr. Kelly | 17 | Son | — | California |
| 39 | Elizabeth Kelly | 15 | Daughter | — | California |
| 40 | George H. Churchill | 69 | Head | — | Canada |
Pedigree Summary
Thomas
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)