Henry Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pocahontas-County, Iowa

Our Model Tree links this Henry Martin across the 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 5-person household.

Age 65 b. ~1875 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Pocahontas-County, Iowa
Surname	Martin
Given Name	Henry F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Lizard Township
1935 Residence (County)	Pocahontas
Naturalization Status	Naturalized
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Farmer
Township / Ward	Lizard Township
Est. Birth Year	~1875

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 Henry	Age	Birth yr
Grace Martin	Daughter	—	40	~1900
Henry Martin	Head	—	65	~1875
Fred Martin	Son	—	23	~1917
Pete Martin	Son	—	30	~1910
Alvina Martin	Spouse	—	63	~1877

Census Appearances

1920

Pocahontas, Iowa

Head, age 45

Pocahontas, Iowa · implied b. ~1875 — 12 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martens
Given Name	Henry
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Germany
Year of Immigration	1900
Naturalization Status	Naturalized
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Farming
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth Country	Germany
Year of Naturalization	1909
Birthplace (normalized)	germany

1930

Pocahontas, Iowa

Head, age 55

Pocahontas, Iowa · implied b. ~1875 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martens
Given Name	Henry J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Germany
Naturalization Status	Naturalized
Year of Immigration	1883
Age at First Marriage	24
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Farmer
Industry	General Farm
Class of Worker	O
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	O
Birth Country	Germany
Birthplace (normalized)	germany

1940

Pocahontas-County, Iowa

Head, age 65

Pocahontas-County, Iowa · implied b. ~1875 — 5 household members

Surname	Martin
Given Name	Henry F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Lizard Township
1935 Residence (County)	Pocahontas
Naturalization Status	Naturalized
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

Our Model Tree links Henry Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

Show:

This person

Anchor record

Henry Martin

Head · 1940 · age 65 · b. ~1875 · 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 — Pocahontas-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01191-00351)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary L. Morrow	1	Daughter	—	Iowa
2	Ellis Zalder	46	Head	Farmer	Iowa
3	Ellen A. Zalder	35	Wife	—	Iowa
4	Harvey P. Zalder	4	Son	—	Iowa
5	Vernon E. Zalder	2	Son	—	Iowa
6	Roy P. Kaiser	42	Head	Farmer	Iowa
7	Emma D. Kaiser	44	Wife	—	Iowa
8	Eileen E. Kaiser	19	Daughter	—	Iowa
9	Clardon L. Kaiser	15	Son	—	Iowa
10	Roger L. Kaiser	9	Son	—	Iowa
11	Henry F. Martin THIS PERSON	65	Head	Farmer	Germany
12	Alvina G. Martin	63	Wife	—	Germany
13	Grace H. Martin	40	Daughter	—	Germany
14	Pete H. Martin	30	Son	Farmer	Iowa
15	Fred W. Martin	23	Son	Farmer	Iowa
16	George C. Lyon	44	Head	Farmer	Iowa
17	Beatrice M. Lyon	35	Wife	—	Iowa
18	Charles E. S. Lyon	15	Son	—	Iowa
19	Sewell C. Lyon	12	Son	—	Iowa
20	Floyd J. Lyon	7	Son	—	Iowa
21	Donald J. Lyon	3	Son	—	Iowa
22	Herbert L. Peters	25	Head	Farmer	Iowa
23	Emma H. Peters	24	Wife	—	Iowa
24	Albert H. Fast	34	Head	Farmer	Iowa
25	Egbert M. Peters	39	Head	Farmer	Germany
26	Lena C. Peters	45	Wife	—	Iowa
27	Wayne A. Peters	15	Son	Farmer	Texas
28	Florence A. Peters	14	Daughter	—	Iowa
29	Harold W. H. Peters	13	Son	—	Iowa
30	Lois B. Peters	11	Daughter	—	Iowa
31	Maxine S. J. Peters	9	Daughter	—	Iowa
32	Velma J. Peters	7	Daughter	—	Iowa
33	Theodore R. Renken	36	Head	Farmer	Ill
34	Vernice E. Renken	32	Wife	—	Iowa
35	Donald M. Renken	5	Son	—	Iowa
36	Arnold Brown	60	Head	Farmer	Ill
37	Martha Brown	63	Sister	—	Ill
38	Francis Brown	53	Sister	—	Ill
39	Clarence C. Subbert	28	Hired hand	Hired Hand	Iowa
40	Head Alden	43	Head	Farmer	Iowa

Search for Henry Martin

All Henry Martin Census Records Discover Martin Family Tree

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