James Pierce — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Montgomery-County, Ohio

Our Model Tree links this James Pierce across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Lyle & Alice — first a son (b.~1919), then head of a 4-person household.

Age 21 b. ~1919 Male Son Born: Ohio Single

1940 Census Record Details

Census Year	1940
Location	Montgomery-County, Ohio
Surname	Pierce
Given Name	James
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Dayton
1935 Residence (County)	Montgomery
Additional Details
Highest Grade	H-4
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Dayton
Est. Birth Year	~1919

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
Lyle Pierce	Head	—	50	~1890
Lyle Pierce	Son	—	20	~1920
James Pierce	Son	—	21	~1919
Alice Pierce	Spouse	—	42	~1898

Census Appearances

1920

Montgomery, Ohio

Son, age 1

Montgomery, Ohio · implied b. ~1919 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Pierce
Given Name	James
Relationship to Head	Son
Sex	M
Color / Race	White
Age	1
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	West Virginia
Mother's Birthplace	New York
Can Read	No
Can Write	No
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Montgomery, Ohio

Son, age 11

Montgomery, Ohio · implied b. ~1919 — 11 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Pierce
Given Name	James
Relationship to Head	Son
Sex	M
Color / Race	White
Age	11
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	West Virginia
Mother's Birthplace	New York
Occupation	none
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Montgomery-County, Ohio

Son, age 21

Montgomery-County, Ohio · implied b. ~1919 — 4 household members

Surname	Pierce
Given Name	James
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Dayton
1935 Residence (County)	Montgomery
Highest Grade	H-4
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

Our Model Tree links James Pierce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lyle Pierce (~0.92 confidence) and mother Alice Pierce (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Lyle Pierce

b. ~1891

Source father

● Household · direct · ~0.92

Mother

Alice Pierce

b. ~1898

Source mother

● Household · direct · ~0.92

This person

Anchor record

James Pierce

Son · 1940 · age 21 · b. ~1919 · Ohio

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Sibling

Lyle Pierce

Sibling · 1940 · age 20

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 — Montgomery-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03251-00693)

Line	Name	Age	Relation	Occupation	Birthplace
41	Helen Harman	31	Wife	—	Ohio
42	Louis Harman	14	Son	—	Ohio
43	Stephen Klepacz	49	Head	Gardner	Poland
44	Anna Klepacz	45	Wife	—	Poland
45	Walter Klepacz	24	Son	Office Work	Ohio
46	Frank Klepacz	17	Son	—	Ohio
47	Stella Klepacz	14	Daughter	—	Ohio
48	Johnny Klepacz	11	Son	—	Ohio
49	Joseph Klepacz	7	Son	—	Ohio
50	Clarence Brewer	37	Head	Machine Operator	Wisconsin
51	Georgia Brewer	30	Wife	—	Wisconsin
52	Chester Brewer	14	Son	—	Wisconsin
53	Robert Brewer	12	Son	—	Ohio
54	Leon Brewer	10	Son	—	Ohio
55	Charles Brewer	8	Son	—	Ohio
56	James Brewer	6	Son	—	Ohio
57	Frank Jr. Fowler	29	Head	Checker Helper	Ohio
58	Ione Fowler	29	Wife	—	Ohio
59	Frank Sr. Fowler	9	Son	—	Ohio
60	Delores Fowler	7	Daughter	—	Ohio
61	Marvin Fowler	5	Son	—	Ohio
62	Patrick Sweeney	73	Head	—	Ohio
63	Margaret Sweeney	66	Sister	—	Ohio
64	Margaret Thompson	37	Niece	House Keeper	Ohio
65	Walter Parramore	25	Head	Painter	Ohio
66	Alice Parramore	25	Wife	—	Ohio
67	Carol Parramore	3	Daughter	—	Ohio
68	Elizabeth Schroer	70	Head	Owner	Illinois
69	William Schroer	36	Son	Truck Driver	Ohio
70	William Wallace	50	Head	Truck Driver	Ohio
71	Mabel Wallace	48	Wife	—	Ohio
72	James Wallace	23	Son	Cement Finisher	Ohio
73	Joseph Emery	20	Son	—	Ohio
74	Grant Mcglothin	31	Head	Grinder	Tennessee
75	Laura Mcglothin	28	Wife	—	Tennessee
76	R. C. Thompson	13	Nephew	—	Tennessee
77	Lyle Sr. Pierce	50	Head	Compress Operator	West Virginia
78	Alice Pierce	42	Wife	—	New York
79	James Pierce THIS PERSON	21	Son	—	Ohio
80	Lyle Jr. Pierce	20	Son	—	Ohio

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Pedigree Summary

James + 1 sibling

Gen 1 · 2 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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