JD
James Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this James Davis across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Charles & Mary — first a son (b.~1908), then head of a 9-person household.
Age 32
b. ~1908
Male
Son
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Davis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | helper |
| Industry | department store |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 160 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Helper |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1908 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Anna Baller | Daughter | — | 31 | ~1909 |
| Louisa Baller | Daughter | — | 12 | ~1928 |
| Howard Davis | Head | — | 51 | ~1889 |
| Mark Baller | Other | — | 10 | ~1930 |
| Marjorie Gold | Other | — | 18 | ~1922 |
| Mary Baller | Other | — | 6 | ~1934 |
| Aaron Gold | Other | — | 7 | ~1933 |
| James Davis | Son | — | 32 | ~1908 |
| Laura Davis | Spouse | — | 53 | ~1887 |
Census Appearances
1910
Jefferson, Kentucky
Son, age 1
Jefferson, Kentucky · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 10
Jefferson, Kentucky · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 21
Jefferson, Kentucky · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 32
Jefferson-County, Kentucky · implied b. ~1908 — 9 household members
| Surname | Davis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | helper |
| Industry | department store |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 160 |
| Highest Grade | H-4 |
| 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 James Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence) and father John Davis (~0.92 confidence) and father Howard Davis (~0.92 confidence) and father Henry Davis (~0.92 confidence) and mother Laura Davis (~0.92 confidence) and mother Lillie Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence) and father Robert Vassmeler (~0.81 confidence) and mother Annie Vassmeler (~0.81 confidence). The pedigree spans 2 generations with 10 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Charles Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
John Davis
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Howard Davis
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Henry Davis
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Laura Davis
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Lillie Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Robert Vassmeler
b. ~1862
Source father>father
● Household
· direct · ~0.81
Mother
Annie Vassmeler
b. ~1854
Source father>mother
● Household
· direct · ~0.81
This person
Anchor record
James Davis
Son · 1940 · age 32 · b. ~1908 · Kentucky
★ You are viewing this record
Sibling
Louisa Baller
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Baller
Sibling · 1940 · age 31
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-t0627-01374-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lambert Cooper | 47 | Lodger | Barber | North Carolina |
| 42 | Henry H. Perkins | 35 | Head | Waiter | Tennessee |
| 43 | Gertrude Perkins | 31 | Wife | — | Kentucky |
| 44 | Theodore Perkins | 1 | Daughter | — | Kentucky |
| 45 | Alma Hanna | 74 | Lodger | — | Kentucky |
| 46 | Mary A. Sandridge | 60 | Head | Laundress | Kentucky |
| 47 | Berta Thompson | 45 | Head | Laundress | South Carolina |
| 48 | Bettie Thompson | 12 | Wife | Laundress | South Carolina |
| 49 | Bertha Smith | 12 | Lodger | — | Kentucky |
| 50 | Julia Smith | 10 | Lodger | — | Kentucky |
| 51 | Joseph Smith | 8 | Lodger | — | Kentucky |
| 52 | Charles Smith | 6 | Lodger | — | Kentucky |
| 53 | Mattie Belcher | 47 | Lodger | Maid | Tennessee |
| 54 | Lenna Washington | 36 | Head | Presser | Mississippi |
| 55 | Florence Thomas | 32 | Partner | Presser | Mississippi |
| 56 | Jennie Hammond | 43 | Partner | Presser | Tennessee |
| 57 | Ruben Gooch | 40 | Head | Mechanic | Tennessee |
| 58 | Juanita Gooch | 35 | Wife | Maid | Tennessee |
| 59 | Shirley Valentine | 47 | Lodger | Butcher | Tennessee |
| 60 | William Berry | 58 | Head | Window Washer | Kentucky |
| 61 | Daisy Berry | 53 | Wife | — | Indiana |
| 62 | Carrie Brown | 34 | Head | Maid | Kentucky |
| 63 | Alberta Brown | 15 | Daughter | — | Kentucky |
| 64 | Arthur Hayes | 37 | Head | Laborer | Kentucky |
| 65 | Katie Hayes | 42 | Wife | Maid | Kentucky |
| 66 | Robert Lee Lewis | 33 | Cousin | Porter | Kentucky |
| 67 | Howard Davis | 51 | Head | Janitor | Kentucky |
| 68 | Laura Davis | 53 | Wife | Laundress | Kentucky |
| 69 | James Davis THIS PERSON | 32 | Son | Helper | Kentucky |
| 70 | Anna Baller | 31 | Daughter | — | Kentucky |
| 71 | Louisa Baller | 12 | Daughter | — | Kentucky |
| 72 | Mark Baller | 10 | Grandson | — | Kentucky |
| 73 | Mary Catherine Baller | 6 | Granddaughter | — | Kentucky |
| 74 | Marjorie Gold | 18 | Boarder | — | Kentucky |
| 75 | Aaron Gold | 7 | Boarder | — | Kentucky |
| 76 | Isaac Ross | 42 | Head | Laundress | Kentucky |
| 77 | Anna Ross | 27 | Daughter | Laundress | Kentucky |
| 78 | Alfred Robinson | 34 | Son-in-law | Cook | Indiana |
| 79 | Amelia Robinson | 32 | Daughter | — | Kentucky |
| 80 | Beverly Robinson | 1 | Granddaughter | — | Kentucky |
Related Census Records
Pedigree Summary
James + 2 siblings
Gen 1 · 8 parents
~0.92
Gen 2 · 2 grandparents
~0.81
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)