RM
Robert Matthews — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Robert Matthews across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Matthews |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad shop |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 188 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Louisville City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Thelma Matthews | Daughter | — | 16 | ~1924 |
| Fred Matthews | Son | — | 18 | ~1922 |
| Fred Matthews | Head | — | 63 | ~1877 |
| Anna Matthews | Spouse | — | 52 | ~1888 |
| Robert Matthews | Son | — | 22 | ~1918 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 2
Jefferson, Kentucky · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Matthews |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 13
Jefferson, Kentucky · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathews |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 22
Jefferson-County, Kentucky · implied b. ~1918 — 5 household members
| Surname | Matthews |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Laborer |
| Industry | Railroad shop |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 188 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Robert Matthews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Matthews (~0.92 confidence) and father Fred Matthews (~0.92 confidence) and mother Esther Matthews (~0.92 confidence) and father William Mathews (~0.92 confidence) and mother Anna Matthews (~0.92 confidence) and mother Florence Mathews (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Matthews
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Matthews
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Esther Matthews
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
William Mathews
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Matthews
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Florence Mathews
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Matthews
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Fred Matthews
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Matthews
Sibling · 1940 · age 16
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
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-t0627-01368-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edith Dawkins | 31 | Wife | Saleswoman | Kentucky |
| 2 | Fred Matthews | 63 | Head | Machinist | Kentucky |
| 3 | Anna Matthews | 52 | Wife | — | Indiana |
| 4 | Robert L. Matthews THIS PERSON | 22 | Son | Laborer | Kentucky |
| 5 | Fred Matthews | 18 | Son | — | Kentucky |
| 6 | Thelma L. Matthews | 16 | Daughter | — | Indiana |
| 7 | John Carnes | 23 | Head | — | Kentucky |
| 8 | Bettie Carnes | 21 | Wife | — | Kentucky |
| 9 | Robert A. Smith | 68 | Head | Laborer | Kentucky |
| 10 | Winifred Smith | 65 | Wife | — | Tennessee |
| 11 | Robert Kornhorst | 52 | Son-in-law | Salesman Clerk | Kentucky |
| 12 | Alvah Kornhorst | 32 | Daughter | — | Kentucky |
| 13 | Robert Snowder | 11 | Grandson | — | Kentucky |
| 14 | Mark Roach | 42 | Head | Salesman | Indiana |
| 15 | Margaret Roach | 42 | Wife | — | Indiana |
| 16 | Jack Roach | 13 | Son | — | Kentucky |
| 17 | Ella Bowen | 72 | Head | — | S. Carolina |
| 18 | Wilburn Nunn | 39 | Head | Laborer | Kentucky |
| 19 | Mamie Nunn | 31 | Wife | — | Kentucky |
| 20 | Edna Nunn | 16 | Daughter | — | Kentucky |
| 21 | Mary Nunn | 13 | Daughter | — | Kentucky |
| 22 | Wilburn Jr. Nunn | 10 | Son | — | Kentucky |
| 23 | Bertha Webb | 63 | Head | — | Kentucky |
| 24 | Gale Webb | 31 | Son | City Salesman | Kentucky |
| 25 | Virginia Webb | 24 | Daughter-in-law | — | Kentucky |
| 26 | Edward Herding | 35 | Head | Sander | Kentucky |
| 27 | Bonnie Herding | 31 | Wife | — | Tennessee |
| 28 | Eddie Lee Herding | 10 | Son | — | Kentucky |
| 29 | Sheridan A. Herding | 3 | Daughter | — | Kentucky |
| 30 | Port A. Lockard | 34 | Head | Machine Operator | Kentucky |
| 31 | Elsie Lockard | 30 | Wife | — | Indiana |
| 32 | Patricia Lockard | 9 | Daughter | — | Kentucky |
| 33 | Julia Lee Lockard | 25 | Sister | Waitress | Kentucky |
| 34 | August Eylert | 39 | Head | Chassis Worker | Kentucky |
| 35 | Viola Eylert | 29 | Wife | — | Kentucky |
| 36 | Joseph Eylert | 7 | Son | — | Kentucky |
| 37 | Donald Eylert | 5 | Son | — | Kentucky |
| 38 | Morris Eylert | 3 | Son | — | Kentucky |
| 39 | Sally Ann Eylert | 1 | Daughter | — | Kentucky |
| 40 | Homer Underwood | 34 | Head | Shipping Clerk | Kentucky |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 6 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)