WF
William Fitzgerald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this William Fitzgerald across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| Additional Details | |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | New Worker |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1923 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Betty Fitzgerald | Daughter | — | 12 | ~1928 |
| Shirley Fitzgerald | Daughter | — | 2 | ~1938 |
| Patty Fitzgerald | Daughter | — | 9 | ~1931 |
| Margaret Fitzgerald | Daughter | — | 1 | ~1939 |
| Joseph Fitzgerald | Head | — | 42 | ~1898 |
| John Fitzgerald | Son | — | 4 | ~1936 |
| Tommy Fitzgerald | Son | — | 7 | ~1933 |
| William Fitzgerald | Son | — | 17 | ~1923 |
| Richard Fitzgerald | Son | — | 15 | ~1925 |
| Helen Fitzgerald | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Marion, Indiana
Son, age 7
Marion, Indiana · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 17
Marion-County, Indiana · implied b. ~1923 — 10 household members
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Fitzgerald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Fitzgerald
Son · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
Shirley Fitzgerald
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzgerald
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommy Fitzgerald
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Fitzgerald
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patty Fitzgerald
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Fitzgerald
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Fitzgerald
Sibling · 1940 · age 4
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01122-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Messengale | 5 | Son | — | Indiana |
| 2 | Patty Messengale | 3 | daughter | — | Indiana |
| 3 | Stella Smith | 21 | Head | — | Indiana |
| 4 | Shirley Brumfield | 33 | Son | Helper | Indiana |
| 5 | Harold Brumfield | 40 | Son | — | Indiana |
| 6 | Harry Horsley | 57 | Head | Bricklayer | Indiana |
| 7 | Ida Horsley | 49 | Wife | — | Indiana |
| 8 | Olive Horsley | 16 | daughter | New Worker | Indiana |
| 9 | Virginia Horsley | 15 | daughter | — | Indiana |
| 10 | Mildred Horsley | 14 | daughter | — | Indiana |
| 11 | Margery Horsley | 14 | daughter | — | Indiana |
| 12 | Hyron Swan | 33 | Head | Laborer | Kentucky |
| 13 | Helen Swan | 31 | Wife | — | Kentucky |
| 14 | James Swan | 29 | Brother | Laborer | Kentucky |
| 15 | Left Blank By En. | None | — | — | — |
| 16 | Ends Block 9 No Houses In Block 10-15-16 - Begins Block 17 | None | — | — | — |
| 17 | Earl L. Lee | 24 | Head | Porter | Indiana |
| 18 | Edmonia Lee | 23 | Wife | — | Tennessee |
| 19 | Ends Block 17 No Houses In Block 18 Begins Block 19 | None | — | — | — |
| 20 | James Conklin | 35 | Head | Truck Driver | Ohio |
| 21 | Marie Conklin | 34 | Wife | Biller | Indiana |
| 22 | George Edward Snyder | 15 | Stepson | — | Michigan |
| 23 | Ends Block 19 Begins 20 | None | — | — | — |
| 24 | Carl Krueger | 39 | Head | Truck Driver | Indiana |
| 25 | Estery Krueger | 35 | Wife | — | Indiana |
| 26 | Ends Block 20 Begins Block 21 | None | — | — | — |
| 27 | Joseph Fitzgerald | 42 | Head | Truck Driver | Indiana |
| 28 | Helen Fitzgerald | 36 | Wife | — | Indiana |
| 29 | William Fitzgerald THIS PERSON | 17 | Son | New Worker | Indiana |
| 30 | Richard Fitzgerald | 15 | Son | Clerk | Indiana |
| 31 | Betty Ruth Fitzgerald | 12 | daughter | — | Indiana |
| 32 | Patty Fitzgerald | 9 | daughter | — | Indiana |
| 33 | Tommy Fitzgerald | 7 | Son | — | Indiana |
| 34 | John Fitzgerald | 4 | Son | — | Indiana |
| 35 | Shirley Fitzgerald | 2 | daughter | — | Indiana |
| 36 | Margaret Fitzgerald | 1 | daughter | — | Indiana |
| 37 | James H. Grey | 66 | Head | Laborer | Indiana |
| 38 | Sarah Elizabeth Grey | 64 | Wife | — | Kentucky |
| 39 | Oscar Francis | 51 | Head | Auto Driver | Tennessee |
| 40 | Flossy Francis | 51 | Wife | — | Tennessee |
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)