WB
William Ballard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this William Ballard across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Peter & Nora — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Ballard |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Accountant |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Accountant |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Ballard | Head | — | 25 | ~1915 |
| Donna Ballard | Daughter | — | 1 | ~1939 |
| Julia Ballard | Spouse | — | 24 | ~1916 |
| Mary Duth | Other | — | 19 | ~1921 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 3
Jefferson, Kentucky · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bullard |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 14
Jefferson, Kentucky · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bullard |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 25
Jefferson-County, Kentucky · implied b. ~1915 — 4 household members
| Surname | Ballard |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Accountant |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | Hs 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 William Ballard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Bullard (~0.92 confidence) and mother Nora Bullard (~0.92 confidence) and mother Rose Bullard (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Bullard
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Nora Bullard
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Rose Bullard
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ballard
Head · 1940 · age 25 · b. ~1915 · 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-t0627-01376-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Ryan | 44 | Wife | — | Kentucky |
| 2 | Marion Ryan | 20 | Son | Apprentice | Kentucky |
| 3 | Thomas Ryan | 19 | Son | Bill Clerk | Kentucky |
| 4 | Mary Agnes Ryan | 15 | Daughter | — | Kentucky |
| 5 | William C. Ballard THIS PERSON | 25 | Head | Accountant | Kentucky |
| 6 | Julia Ballard | 24 | Wife | — | Kentucky |
| 7 | Donna Ballard | 1 | Daughter | — | Kentucky |
| 8 | Mary Duth | 19 | Maid | Maid | Kentucky |
| 9 | Earl Rogue | 31 | Head | Truck Driver | Kentucky |
| 10 | Anna Rogue | 30 | Wife | — | Kentucky |
| 11 | Margaret Gardner | 27 | Lodger | Saleslady | Kentucky |
| 12 | Leland M. Stone | 29 | Head | City Fireman | Indiana |
| 13 | Gladys Stone | 30 | Wife | — | Kentucky |
| 14 | Gene Stone | 8 | Son | — | Kentucky |
| 15 | Paul Stone | 6 | Son | — | Kentucky |
| 16 | Edward J. Brown | 70 | Head | Civil Engineer | Kentucky |
| 17 | Johanna Brown | 66 | Wife | — | Kentucky |
| 18 | Cecelia D. Brown | 27 | Daughter | Cashier | Kentucky |
| 19 | Chester E. Brown | 26 | Son | Chemical Engineer | Kentucky |
| 20 | John L. Morris | 61 | Head | Painter | Kentucky |
| 21 | Nan Morris | 59 | Wife | — | Kentucky |
| 22 | Clare Morris | 33 | Daughter | Office Clerk | Kentucky |
| 23 | Jeanette Morris | 27 | Daughter | Comptometer Operator | Kentucky |
| 24 | Elizabeth Strader | 35 | Daughter | Beautician | Kentucky |
| 25 | Charles M. Taylor | 51 | Head | Deputy | Kentucky |
| 26 | Elizabeth Taylor | 44 | Wife | — | Kentucky |
| 27 | Rosella Taylor | 32 | Daughter | Office Clerk | Kentucky |
| 28 | Clarence Taylor | 21 | Son | Head Waiter | Kentucky |
| 29 | Ernest E. Ogle | 47 | Head | Freight Agent | Indiana |
| 30 | Sophia Ogle | 41 | Wife | — | Indiana |
| 31 | Linda Lou Ogle | 14 | Daughter | — | Oklahoma |
| 32 | Billy Don Ogle | 12 | Son | — | Oklahoma |
| 33 | Judith W. Stanley | 41 | Head | Attorney | Kentucky |
| 34 | Margaret Stanley | 42 | Wife | — | Kentucky |
| 35 | Marilyn Stanley | 7 | Daughter | — | Kentucky |
| 36 | John Ahl | 36 | Head | Shoe Repairer | Indiana |
| 37 | Edna R. Ahl | 33 | Wife | Buyer - Millinery | Kentucky |
| 38 | Eva W. Fearn | 72 | Mother-in-law | — | Illinois |
| 39 | Thomas Scott | 51 | Head | Car Painter | Kentucky |
| 40 | Lillian Scott | 48 | Wife | — | Kentucky |
Pedigree Summary
William
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 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)