William Mason — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this William Mason across the 1920, 1930 and 1940 US Censuses in Hillsborough-County, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.

Age 76 b. ~1864 Male Head Born: Vermont Married

1940 Census Record Details

Census Year	1940
Location	Hillsborough-County, New Hampshire
Surname	Mason
Given Name	William J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	76
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	New Boston Town
1935 Residence (County)	Hillsborough
Additional Details
Income (1939)	0
Highest Grade	No 8 8
1935 Residence	Same place
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont
Township / Ward	New Boston Town
Est. Birth Year	~1864

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 Mason	Head	—	76	~1864
Arnold Mason	Son	—	55	~1885
Elizabeth Mason	Spouse	—	74	~1866

Census Appearances

1920

Hillsborough, New …

Head, age 55

Hillsborough, New Hampshire · implied b. ~1865 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	William J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Vermont
Father's Birthplace	Canada
Mother's Birthplace	Canada
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

Hillsborough, New …

Head, age 66

Hillsborough, New Hampshire · implied b. ~1864 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	William J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Vermont
Age at First Marriage	19
Father's Birthplace	Canada-English
Mother's Birthplace	Canada-English
Occupation	Contractor
Industry	Highway Dept
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Radio Set	R
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

1940

Hillsborough-County, New …

Head, age 76

Hillsborough-County, New Hampshire · implied b. ~1864 — 3 household members

Surname	Mason
Given Name	William J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	76
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	New Boston Town
1935 Residence (County)	Hillsborough
Income (1939)	0
Highest Grade	No 8 8
1935 Residence	Same place
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

Model Tree

Linked across censuses

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

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This person

Anchor record

William Mason

Head · 1940 · age 76 · b. ~1864 · 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 — Hillsborough-County, New Hampshire Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02290-00350)

Line	Name	Age	Relation	Occupation	Birthplace
1	Winfield Shaw	61	Head	—	Maine
2	Lois Shaw	55	Wife	—	Maine
3	Lois Warren Shaw	23	Daughter	—	Massachusetts
4	John M. Clark	29	Son-in-law	Press Agent	District of Columbia
5	Rhoda Clark	28	Daughter	—	Massachusetts
6	Linda S. Clark	2	Granddaughter	—	District of Columbia
7	Alexander S. Clark	0	Grandson	—	New Hampshire
8	Ellen Barr	73	Head	—	New Hampshire
9	Joseph Daniels	70	Head	Farmer	New Hampshire
10	Mary Daniels	69	Wife	—	New Hampshire
11	Florence Daniels	40	Daughter	—	New Hampshire
12	Amos Daniels	20	Son	—	New Hampshire
13	William O. Mason	48	Head	Contractor	New Hampshire
14	Thelma Mason	24	Wife	—	Massachusetts
15	William J. Mason THIS PERSON	76	Head	—	Vermont
16	Elizabeth Mason	74	Wife	—	Canada-French
17	Arnold Mason	55	Son	—	New Hampshire
18	Louis Mckay	61	Head	Teamster	New Hampshire
19	Leslie Tower	31	Head	Mechanic	New Hampshire
20	Marie Tower	20	Wife	—	New Hampshire
21	Theodore Tower	2	Son	—	New Hampshire
22	Frank Osborne	67	Head	Laborer	New Hampshire
23	Lillian Osborne	47	Wife	—	Canada-English
24	Henry Osborne	27	Son	Manager	Massachusetts
25	Florence Osborne	21	Daughter	Housework	New Hampshire
26	Rita Osborne	19	Daughter	Housework	New Hampshire
27	Gordon Osborne	14	Son	—	New Hampshire
28	Cary Fink Daynes	35	Head	—	Mexico
29	Henri F. Zinn	60	Sister	—	Virginia
30	Grace Kent	47	Housekeeper	Housekeeper	Maine
31	Barbara Howes	25	Visitor	—	New York
32	Paul Mansfield	27	Head	Farmer	New Hampshire
33	Martha Mansfield	27	Wife	—	Massachusetts
34	Jane Mansfield	4	Daughter	—	New Hampshire
35	Mary Mansfield	3	Daughter	—	New Hampshire
36	Gladys Mansfield	40	Sister	—	New Hampshire
37	George H. Lewis	58	Head	Editor	Connecticut
38	May M. Lewis	57	Wife	—	Connecticut
39	Richard L. Lewis	28	Son	Junior Scaler	Massachusetts
40	—	None	—	—	—

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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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