William Fitzgerald — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Montgomery-County, Ohio

Our Model Tree links this William Fitzgerald across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Lou — first a head (b.~1908), then head of a 3-person household.

Age 32 b. ~1908 Male Head Born: Kentucky Married

1940 Census Record Details

Census Year	1940
Location	Montgomery-County, Ohio
Surname	Fitzgerald
Given Name	William E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Dayton
1935 Residence (County)	Montgomery
Additional Details
Occupation	Furnaceman
Industry	Factory
Class of Worker	PW
Hours Worked	32
Income (1939)	559
Highest Grade	No 6
1935 Residence	Same Place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Occupation	Furnaceman
Township / Ward	Dayton
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.

3 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to William	Age	Birth yr
William Fitzgerald	Head	—	32	~1908
Donald Fitzgerald	Son	—	9	~1931
Mildred Fitzgerald	Spouse	—	25	~1915

Census Appearances

1920

Montgomery, Ohio

Son, age 12

Montgomery, Ohio · implied b. ~1908 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	William E
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Montgomery, Ohio

Head, age 22

Montgomery, Ohio · implied b. ~1908 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Kentucky
Age at First Marriage	21
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Montgomery-County, Ohio

Head, age 32

Montgomery-County, Ohio · implied b. ~1908 — 3 household members

Surname	Fitzgerald
Given Name	William E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Dayton
1935 Residence (County)	Montgomery
Occupation	Furnaceman
Industry	Factory
Class of Worker	PW
Hours Worked	32
Income (1939)	559
Highest Grade	No 6
1935 Residence	Same Place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Model Tree available

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 Lou Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Lou Fitzgerald

b. ~1886

Source father

● Household · direct · ~0.92

This person

Anchor record

William Fitzgerald

Head · 1940 · age 32 · b. ~1908 · Ohio

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Montgomery-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03253-01062)

Line	Name	Age	Relation	Occupation	Birthplace
1	Thomas E. Gibson	24	Head	Tire Maker	Kentucky
2	Cleo M. Gibson	23	Wife	32	Ohio
3	Joyce M. Gibson	2	Daughter	—	Ohio
4	William E. Fitzgerald THIS PERSON	32	Head	Furnaceman	Kentucky
5	Mildred F. Fitzgerald	25	Wife	—	Ohio
6	Donald E. Fitzgerald	9	Son	—	Ohio
7	Christain Mayer	72	Head	—	Germany
8	Carrie Mayer	71	Wife	—	Ohio
9	Henry J. Tryout	32	Head	Spray Painter	Ohio
10	Luna M. Tryout	26	Wife	—	Kentucky
11	Gloria A. Tryout	4	Daughter	—	Ohio
12	Henry F. Tryout	3	Son	—	Ohio
13	Albert R. Sweitzer	44	Head	Sander	Ohio
14	Elsie A. Sweitzer	38	Wife	—	Ohio
15	Helen L. Sweitzer	19	Daughter	—	Ohio
16	Donald J. Sweitzer	18	Son	—	Ohio
17	Margrette J. Sweitzer	17	Daughter	—	Ohio
18	Cerline R. Sweitzer	16	Daughter	—	Ohio
19	Wayne A. Sweitzer	14	Son	—	Ohio
20	Claude E. Sweitzer	5	Son	—	Ohio
21	Ronald E. Sweitzer	3	Son	—	Ohio
22	Earl A. Guy	53	Head	Stock Man	Ohio
23	Ella R. Guy	51	Wife	—	Ohio
24	Nelson Guy	21	Son	Mechanic	Ohio
25	Betty Mae Guy	19	Daughter	Waitress	Ohio
26	William H. Guy	14	Son	—	Ohio
27	Jack Guy	11	Son	—	Ohio
28	Roy D. Weller	50	Head	Operator	Ohio
29	Lucille Weller	45	Wife	—	Indiana
30	Leroy Weller	22	Son	Clerical	Ohio
31	David W. Weller	17	Son	—	Ohio
32	Phyllis Weller	16	Daughter	—	Ohio
33	Charles B. Weller	12	Son	—	Ohio
34	Betty Jean Weller	7	Daughter	—	Ohio
35	Charles E. Gallagher	56	Head	Cement Finisher	Ohio
36	Evelyn M. Gallagher	55	Wife	—	Ohio
37	Richard F. Gallagher	22	Son	Apprentice	Ohio
38	Anna K. Gallagher	18	Daughter	—	Ohio
39	Leo J. Mackey	24	Nephew	Operator	Ohio
40	William P. V. Martin	45	Head	Laborer	Georgia

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Pedigree Summary

William

Gen 1 · 1 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)

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