JF
James Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this James Fitzgerald across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents James & Virginia — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Fitzgerald |
| Given Name | James E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | wall paper cleaner |
| Industry | contractor |
| Class of Worker | OA |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Wall Paper Cleaner |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1912 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Fitzgerald | Head | — | 52 | ~1888 |
| James Fitzgerald | Son | — | 28 | ~1912 |
| Eugene Fitzgerald | Son | — | 45 | ~1895 |
| Mary Fitzgerald | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 7
Jefferson, Kentucky · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 18
Jefferson, Kentucky · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Office Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 28
Jefferson-County, Kentucky · implied b. ~1912 — 4 household members
| Surname | Fitzgerald |
| Given Name | James E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Occupation | wall paper cleaner |
| Industry | contractor |
| Class of Worker | OA |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | No 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 Fitzgerald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Fitzgerald (~0.92 confidence) and mother Virginia Fitzgerald (~0.92 confidence) and father Benny Fitzgerald (~0.92 confidence) and father James Fitzgerald (~0.92 confidence) and mother Mary Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Fitzgerald
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Virginia Fitzgerald
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Benny Fitzgerald
b. ~1878
Source father
● Household
· direct · ~0.92
Father
James Fitzgerald
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Fitzgerald
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Fitzgerald
Son · 1940 · age 28 · b. ~1912 · Kentucky
★ You are viewing this record
Sibling
Eugene Fitzgerald
Sibling · 1940 · age 45
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
39 people indexed on this census page (nara:1940:m-t0627-01374-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dennis Jr Hallenkamp | 26 | son | Laborer | Kentucky |
| 2 | Mary Hallenkamp | 21 | daughter | Book Binder | Kentucky |
| 3 | Clifford Hallenkamp | 19 | son | Book Binder | Kentucky |
| 4 | Helen Hallenkamp | 18 | daughter | Saleslady | Kentucky |
| 5 | Edward Hallenkamp | 14 | son | — | Kentucky |
| 6 | Laura L. Hallenkamp | 9 | daughter | — | Kentucky |
| 7 | Richard Hallenkamp | 8 | son | — | Kentucky |
| 8 | Doreen Hallenkamp | 7 | daughter | — | Kentucky |
| 9 | Ronald Lee Hallenkamp | 4 | son | — | Kentucky |
| 10 | Chester A. Baumgarten | 35 | head | Tool And Die Maker | Kentucky |
| 11 | Margaret Baumgarten | 34 | wife | — | Kentucky |
| 12 | Albert W. Franz | 26 | lodger | Clerk | Kentucky |
| 13 | Agnes B. Lile | 51 | head | Machine Operator | Kentucky |
| 14 | Herbert Skaggs | 28 | son in law | Salesman | Kentucky |
| 15 | Margaret Skaggs | 27 | daughter | — | Kentucky |
| 16 | James E. Fitzgerald | 52 | head | Wall Paper Cleaner | Kentucky |
| 17 | Mary B. Fitzgerald | 47 | wife | — | Indiana |
| 18 | Eugene W. Fitzgerald | 45 | son | — | Kentucky |
| 19 | James E. Fitzgerald THIS PERSON | 28 | son | Wall Paper Cleaner | Kentucky |
| 20 | John R. Callen | 51 | head | Asst. Engineer | Kentucky |
| 21 | Mary Callen | 50 | sister | Bindery Room | Kentucky |
| 22 | Nebraska Williams | 36 | head | Custodian | Kentucky |
| 23 | Anne B. Williams | 34 | wife | — | Kentucky |
| 24 | Charlotte Williams | 11 | daughter | — | Kentucky |
| 25 | Susie Williams | 8 | daughter | — | Kentucky |
| 26 | Betty Jr. Williams | 4 | daughter | — | Kentucky |
| 27 | Charles Davis | 71 | head | Laborer | Missouri |
| 28 | Alice Davis | 67 | wife | — | Kentucky |
| 29 | Ladonia Woods | 80 | sister in law | — | Kentucky |
| 30 | Leevana Frazer | 66 | head | — | Kentucky |
| 31 | Dovie Lee Frazer | 47 | daughter | Teacher | Kentucky |
| 32 | Beatrice Smith | 40 | daughter | Housework | Kentucky |
| 33 | William H. Smith | 19 | son | — | Kentucky |
| 34 | Barney F. Smith | 17 | son | — | Kentucky |
| 35 | Mary E. Berry | 42 | head | — | Kentucky |
| 36 | Joseph S. Berry | 27 | son | Sales Clerk | Kentucky |
| 37 | Mary E. Berry | 20 | daughter | Sales Clerk | Kentucky |
| 38 | Wilma Ann Berry | 17 | daughter | — | Kentucky |
| 39 | Bramlett O. Ford | 23 | head | Repairman | Kentucky |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)