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Thomas Lyons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Thomas Lyons across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 10-person household.
Age 50
b. ~1890
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Lyons |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Steam Railroad |
| Industry | PW |
| Class of Worker | 266 |
| Highest Grade | H 8 |
| 1935 Residence | 40 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Steam Railroad |
| Township / Ward | Magisterial Dist 1 |
| Est. Birth Year | ~1890 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Lyons | Head | — | 50 | ~1890 |
| Harry Lyons | Son | — | 20 | ~1920 |
| Edward Lyons | Son | — | 23 | ~1917 |
| Anna Lyons | Daughter | — | 13 | ~1927 |
| Margret Lyons | Daughter | — | 25 | ~1915 |
| Jimmie Lyons | Son | — | 10 | ~1930 |
| Charles Lyons | Son | — | 15 | ~1925 |
| Patrick Lyons | Son | — | 8 | ~1932 |
| Agnes Lyons | Spouse | — | 45 | ~1895 |
| Martin Dunn | Other | — | 58 | ~1882 |
Census Appearances
1920
Jefferson, Kentucky
Head, age 31
Jefferson, Kentucky · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Thomas P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Railroad Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Head, age 41
Jefferson, Kentucky · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Thomas P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 23 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Kentucky |
| Occupation | Clerk |
| Industry | Transfer Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 50
Jefferson-County, Kentucky · implied b. ~1890 — 10 household members
| Surname | Lyons |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (County) | Jefferson |
| Occupation | Steam Railroad |
| Industry | PW |
| Class of Worker | 266 |
| Highest Grade | H 8 |
| 1935 Residence | 40 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Lyons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Lyons
Head · 1940 · age 50 · b. ~1890 · Kentucky
★ 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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01321-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bruce B. Bauer | 2 | Son | — | Kentucky |
| 42 | Gus Bauer | 65 | Head | Furniture | Kentucky |
| 43 | Jennie Bauer | 62 | Wife | — | Ohio |
| 44 | Ruth Bauer | 36 | Daughter | Wholesale Electric Supply | Kentucky |
| 45 | Conrad Hewer | 43 | Head | Pw | Germany |
| 46 | Marcella Hewer | 32 | Wife | — | Kentucky |
| 47 | Louis J. Goodfriend | 58 | Lodger | — | Kentucky |
| 48 | Mary M. Goodfriend | 58 | Lodger | — | Kentucky |
| 49 | Melvin J. Goodfriend | 25 | Head | Wholesale Electric Supply | Kentucky |
| 50 | Regine Goodfriend | 23 | Wife | — | Kentucky |
| 51 | Lenord Nicoulin | 42 | Head | Iron Foundry | Kentucky |
| 52 | Mary Nicoulin | 40 | Wife | — | Kentucky |
| 53 | Rodger Nicoulin | 19 | Son | Iron Foundry | Kentucky |
| 54 | Louis Nicoulin | 17 | Son | — | Kentucky |
| 55 | Thomas Nicoulin | 9 | Son | — | Kentucky |
| 56 | Margret Nicoulin | 3 | Daughter | — | Kentucky |
| 57 | Thomas J. Lyons THIS PERSON | 50 | Head | Steam Railroad | Kentucky |
| 58 | Agnes Lyons | 45 | Wife | — | Kentucky |
| 59 | Margret Lyons | 25 | Daughter | Creamery | Kentucky |
| 60 | Edward Lyons | 23 | Son | Millenary | Kentucky |
| 61 | Harry Lyons | 20 | Son | Auto Shop | Kentucky |
| 62 | Charles Lyons | 15 | Son | 0 | Kentucky |
| 63 | Anna C. Lyons | 13 | Daughter | — | Kentucky |
| 64 | Jimmie Lyons | 10 | Son | — | Kentucky |
| 65 | Patrick Lyons | 8 | Son | — | Kentucky |
| 66 | Martin Dunn | 58 | Lodger | — | Kentucky |
| 67 | Joseph Cossel | 37 | Head | Cooperage | Kentucky |
| 68 | William D. Stowers | 38 | Head | U.S. Post Office | Kentucky |
| 69 | Ora Stowers | 38 | Wife | — | Kentucky |
| 70 | Joseph P. Stowers | 6 | Son | — | Kentucky |
| 71 | Norman J. Stowers | 3 | Son | — | Kentucky |
| 72 | Herman L. Rose | 47 | Head | Auto Manufacture | Kentucky |
| 73 | Eva Esther Rose | 37 | Wife | — | Kentucky |
| 74 | Norma C. Rose | 16 | Daughter | — | Kentucky |
| 75 | Herman Jr. Rose | 14 | Son | — | Kentucky |
| 76 | Julia A. Alexander | 20 | Lodger | — | Kentucky |
| 77 | Joseph Hayes | 30 | Head | Electric Contractor | Kentucky |
| 78 | Estelle Hayes | 30 | Wife | Real Estate | Kentucky |
| 79 | Albert Simmons | 55 | Head | W.P.A. Project | Alabama |
| 80 | Rose Simmons | 57 | Wife | — | Kentucky |
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)