WF
William Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Coles-County, Illinois
Our Model Tree links this William Fitzgerald across the 1920, 1930 and 1940 US Censuses in Coles-County, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & Joe — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coles-County, Illinois |
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mattoon City |
| 1935 Residence (County) | Coles |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Railway Shop |
| Class of Worker | PW |
| Income (1939) | 414 |
| Highest Grade | C 1 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Apprentice |
| Township / Ward | Mattoon City |
| Est. Birth Year | ~1920 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Fitzgerald | Daughter | — | 19 | ~1921 |
| Joseph Fitzgerald | Head | — | 47 | ~1893 |
| William Fitzgerald | Son | — | 20 | ~1920 |
| Jack Fitzgerald | Son | — | 14 | ~1926 |
| Irma Fitzgerald | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Coles, Illinois
Son, age 2
Coles, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Coles, Illinois
Son, age 12
Coles, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Coles-County, Illinois
Son, age 20
Coles-County, Illinois · implied b. ~1920 — 5 household members
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mattoon City |
| 1935 Residence (County) | Coles |
| Occupation | Apprentice |
| Industry | Railway Shop |
| Class of Worker | PW |
| Income (1939) | 414 |
| Highest Grade | C 1 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Fitzgerald (~0.92 confidence) and father Joe Fitzgerald (~0.92 confidence) and mother Irma Fitzgerald (~0.92 confidence) and father Joseph Fitzgerald (~0.92 confidence) and mother Anna Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Fitzgerald
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Joe Fitzgerald
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Irma Fitzgerald
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Joseph Fitzgerald
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Anna Fitzgerald
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Fitzgerald
Son · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Marjorie Fitzgerald
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Fitzgerald
Sibling · 1940 · age 14
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 — Coles-County, Illinois
Open full size
1940 US Federal Census — Coles-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00771-00737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George T. Byrnes | 51 | Father | Painter | Illinois |
| 2 | Hester Dorsey | 44 | Head | Checker | Illinois |
| 3 | Florence Shores | 19 | Niece | Stitcher | Illinois |
| 4 | Foster Goodwin | 42 | Head | Yard Clerk | Illinois |
| 5 | Juanita Goodwin | 32 | Wife | — | Illinois |
| 6 | Ramona Goodwin | 6 | Daughter | — | Illinois |
| 7 | Charles H. Hayes | 56 | Head | Order Filler | Illinois |
| 8 | Lulu Hayes | 56 | Wife | — | Virginia |
| 9 | Florella Hayes | 81 | Mother | — | Wisconsin |
| 10 | Elizabeth Roberts | 53 | Head | — | Illinois |
| 11 | Kenneth Roberts | 25 | Son | Brakeman | Illinois |
| 12 | Betty Jean Roberts | 15 | Daughter | — | Illinois |
| 13 | Eugene Heath | 31 | Son-in-law | Painter Helper | Illinois |
| 14 | Novita Heath | 26 | Daughter | — | Illinois |
| 15 | Margaret Finnegan | 60 | Head | — | Ireland |
| 16 | Joseph Finnegan | 28 | Son | Worker | Illinois |
| 17 | Leonard Finnegan | 27 | Son | Spotter - Dry Cleaning | Illinois |
| 18 | Raymond Finnegan | 24 | Son | Assistant To Geologist | Illinois |
| 19 | F. B. Kline | 63 | Head | — | Illinois |
| 20 | Joseph Fitzgerald | 47 | Head | Night Chief Dispatcher | Illinois |
| 21 | Irma Fitzgerald | 47 | Wife | — | Illinois |
| 22 | William Fitzgerald THIS PERSON | 20 | Son | Apprentice | Illinois |
| 23 | Marjorie Fitzgerald | 19 | Daughter | Bookkeeper | Illinois |
| 24 | Jack Fitzgerald | 14 | Son | Delivery | Illinois |
| 25 | Mary Nunnemaker | 28 | Head | — | Illinois |
| 26 | Joan Nunnemaker | 5 | Daughter | — | Illinois |
| 27 | Kent Nunnemaker | 1 | Son | — | Illinois |
| 28 | Dorothy Goleman | 22 | Sister | Assistant | Illinois |
| 29 | Mildred Moritz | 23 | Maid | Maid | Illinois |
| 30 | Joseph Goleman | 65 | Head | — | Illinois |
| 31 | Nettie Goleman | 52 | Wife | — | Ohio |
| 32 | Helen Goleman | 16 | Daughter | — | Illinois |
| 33 | Francis Goleman | 14 | Son | — | Illinois |
| 34 | Charles Goleman | 12 | Son | — | Illinois |
| 35 | David Saunders | 48 | Head | Leadman | Indiana |
| 36 | Flossie Saunders | 38 | Wife | — | Illinois |
| 37 | Julian Saunders | 16 | Son | — | Illinois |
| 38 | D. L. Coffey | 23 | Lodger | Folder | Illinois |
| 39 | Viola Adrian | 52 | Head | Dishwasher | Illinois |
| 40 | Paul Beavers | 19 | Son-in-law | Dishwasher | Illinois |
Pedigree Summary
William + 2 siblings
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)