Clarence Allen — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Keokuk-County, Iowa

Our Model Tree links this Clarence Allen across the 1920, 1930 and 1940 US Censuses in Keokuk-County, Iowa (XGBoost, ~Confirmed), with identified parents Sophia — first a head (b.~1902), then head of a 3-person household.

Age 38 b. ~1902 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Keokuk-County, Iowa
Surname	Allen
Given Name	Clarence O
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Keota City
1935 Residence (County)	Keokuk County
Additional Details
Occupation	Laborer
Industry	Farm
Class of Worker	PW
Hours Worked	24
Income (1939)	54
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Laborer
Township / Ward	Keota City
Est. Birth Year	~1902

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 Clarence	Age	Birth yr
Clarence Allen	Head	—	38	~1902
Donald Allen	Son	—	4	~1936
Mabel Allen	Spouse	—	30	~1910

Census Appearances

1920

Keokuk, Iowa

Son, age 17

Keokuk, Iowa · implied b. ~1903 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allan
Given Name	Clarence
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Germany
Occupation	Laborer
Industry	Gen'l Farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Keokuk, Iowa

Other, age 28

Keokuk, Iowa · implied b. ~1902 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Clarence
Relationship to Head	Brother
Sex	M
Color / Race	White
Age	28
Marital Status	Single
Birthplace	Iowa
Age at First Marriage	OA
Father's Birthplace	Iowa
Mother's Birthplace	Germany
Occupation	Farmer
Industry	General Farm
Class of Worker	VVVV
Can Read/Write	Yes
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Keokuk-County, Iowa

Head, age 38

Keokuk-County, Iowa · implied b. ~1902 — 3 household members

Surname	Allen
Given Name	Clarence O
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Keota City
1935 Residence (County)	Keokuk County
Occupation	Laborer
Industry	Farm
Class of Worker	PW
Hours Worked	24
Income (1939)	54
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links Clarence Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sophia Allan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Sophia Allan

b. ~1873

Source mother

● Household · direct · ~0.92

This person

Anchor record

Clarence Allen

Head · 1940 · age 38 · b. ~1902 · Iowa

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Keokuk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01172-00776)

Line	Name	Age	Relation	Occupation	Birthplace
41	Clarence O Allen THIS PERSON	38	Head	Laborer	Iowa
42	Mabel Allen	30	Wife	—	Iowa
43	Donald Lee Allen	4	Son	—	Iowa
44	Ellen O Bandy	67	Head	—	Iowa
45	Charles Newman	44	Head	Mechanic	Illinois
46	Charlotte Newman	42	Wife	—	Iowa
47	Wallace Newman	7	Son	—	Iowa
48	Paul D Newman	3	Son	—	Iowa
49	Robert Adams	23	Head	Laborer	Iowa
50	Fern Adams	28	Wife	—	Iowa
51	Isaac Norenberg	32	Head	Section Hand	North Dakota
52	Grace Norenberg	29	Wife	—	Iowa
53	Pauline Norenberg	11	Daughter	—	Iowa
54	Donald Norenberg	9	Son	—	Iowa
55	Stanley Norenberg	8	Son	—	Iowa
56	Lowell Norenberg	6	Son	—	Iowa
57	Lois E Norenberg	5	Daughter	—	Iowa
58	Beverly Ann Norenberg	3	Daughter	—	Iowa
59	Herman Seydel	69	Head	Clerk	Iowa
60	Aldora Seydel	67	Wife	—	Illinois
61	Elmer Wade	36	Head	Truck Driver	Iowa
62	Evelyn Wade	29	Wife	—	Iowa
63	Elaine Wade	10	Daughter	—	Iowa
64	Leland Wade	6	Son	—	Iowa
65	Donna Wade	3	Daughter	—	Iowa
66	Frank Lillig	41	Head	Truck Driver	Iowa
67	Veronica Lillig	38	Wife	—	Iowa
68	Anna Ruth Lillig	16	Daughter	—	Iowa
69	Barbara Jean Lillig	15	Daughter	—	Iowa
70	Mary Jane Lillig	8	Daughter	—	Iowa
71	Bernard Carter	32	Head	Salesman	Iowa
72	Mary Carter	33	Wife	—	Iowa
73	Daryl Carter	6	Son	—	Iowa
74	Robert Carter	1	Son	—	Iowa
75	William Oliver	73	Head	Laborer	Virginia
76	Elsie C Oliver	63	Wife	—	Iowa
77	Vivian Oliver	18	Daughter	Housekeeper	Iowa
78	Norval M Herr	52	Head	Laborer	Iowa
79	Florence Herr	53	Wife	—	Iowa
80	Eliza A Herr	82	Mother	—	Iowa

Search for Clarence Allen

All Clarence Allen Census Records Discover Allen Family Tree

Pedigree Summary

Clarence

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)

Report inaccurate data