Carl Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Rockingham-County, New Hampshire

Our Model Tree links this Carl Smith across the 1920, 1930 and 1940 US Censuses in Rockingham-County, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.

Age 64 b. ~1876 Male Head Born: Vermont Married

1940 Census Record Details

Census Year	1940
Location	Rockingham-County, New Hampshire
Surname	Smith
Given Name	Carl E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	Londonderry
1935 Residence (County)	Rockingham
Additional Details
Occupation	Farm owner
Industry	Farm
Class of Worker	OA
Highest Grade	Hs 1
1935 Residence	Same house
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont
Occupation	Farm Owner
Township / Ward	Londonderry
Est. Birth Year	~1876

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 Carl	Age	Birth yr
Carl Smith	Head	—	64	~1876
Lester Smith	Other	—	11	~1929
Zerah Smith	Son	—	34	~1906
Mary Smith	Spouse	—	64	~1876

Census Appearances

1920

Rockingham, New …

Head, age 44

Rockingham, New Hampshire · implied b. ~1876 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Carl C.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Vermont
Father's Birthplace	New Hampshire
Mother's Birthplace	Vermont
Occupation	Farmer
Industry	Own Farm
Class of Worker	Self
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

1930

Rockingham, New …

Head, age 54

Rockingham, New Hampshire · implied b. ~1876 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Carl C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Vermont
Age at First Marriage	21
Father's Birthplace	Vermont
Mother's Birthplace	New Hampshire
Occupation	Laborer
Industry	Highway
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	25
Radio Set	R
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

1940

Rockingham-County, New …

Head, age 64

Rockingham-County, New Hampshire · implied b. ~1876 — 4 household members

Surname	Smith
Given Name	Carl E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	Londonderry
1935 Residence (County)	Rockingham
Occupation	Farm owner
Industry	Farm
Class of Worker	OA
Highest Grade	Hs 1
1935 Residence	Same house
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

Model Tree

Linked across censuses

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

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This person

Anchor record

Carl Smith

Head · 1940 · age 64 · b. ~1876 · New Hampshire

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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 — Rockingham-County, New Hampshire Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02295-00735)

Line	Name	Age	Relation	Occupation	Birthplace
41	Andrew Mack	5	Grandson	—	New Hamp
42	Dixie Mack	1	Granddaughter	—	New Hamp
43	Frank Burbank	29	Head	Interviewer	New Hamp
44	Ruth Burbank	27	Wife	—	Massachusetts
45	Joyce Burbank	3	Daughter	—	New Hamp
46	Caryl Burbank	1	Daughter	—	New Hamp
47	Elmer Boyden	73	Head	—	Massachusetts
48	Thomas Boyden	35	Son	—	Massachusetts
49	Myrabel Boyden	34	Daughter-in-law	—	New Hamp
50	Nancy Boyden	5	Granddaughter	—	New Hamp
51	Thomas Boyden	0	Grandson	—	New Hamp
52	Lenora Hathaway	65	Head	Painter	New York
53	Flora Hathaway	54	Wife	—	Massachusetts
54	Helen Hathaway	21	Daughter	Waitress	Massachusetts
55	Evelyn Ramsden	42	Head	—	Massachusetts
56	Winston Ramsden	22	Son	Clerk	New Hamp
57	William Ramsden	20	Son	Reporter	New Hamp
58	Walter Ramsden	16	Son	Presser	New Hamp
59	Wallis Ramsden	5	Son	—	New Hamp
60	William White	69	Head	Farming	New Hamp
61	Elizabeth White	72	Wife	—	England
62	Carl E. Smith THIS PERSON	64	Head	Farm Owner	Vermont
63	Mary E. Smith	64	Wife	—	New Hamp
64	Zerah B. Smith	34	Son	Farming	New Hamp
65	Lester B. Smith	11	Grandson	—	New Hamp
66	Nathan B. Watts	71	Head	Farming	New Hamp
67	Ethel B. Chatterton	54	Sister-in-law	—	Massachusetts
68	Frederick Moore	56	Head	Laborer	Canada English
69	Irene Moore	51	Wife	—	Canada English
70	Fred Moore	25	Son	Laborer	Massachusetts
71	Albert Moore	14	Son	—	New Hamp
72	Roger Anderson	22	Head	Farming	New Hamp
73	Alice Anderson	23	Wife	—	New Hamp
74	Benjamin Ham	49	Head	Stock Fitter	New Hamp
75	Emma Ham	51	Wife	—	Massachusetts
76	Herman Ham	26	Son	Block Cutter	New Hamp
77	Minerva Ham	17	Daughter	Marker	New Hamp
78	Morris Ham	15	Daughter	—	New Hamp
79	Fred Leslie Ham	12	Son	—	New Hamp
80	Irvine Ham	11	Son	—	New Hamp

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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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