William Bartlett — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this William Bartlett across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 5-person household.

Age 15 b. ~1925 Male Son Born: Washington Single

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Bartlett
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Washington
1935 Residence (City)	Newton city
1935 Residence (County)	Middlesex
Additional Details
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Township / Ward	Newton City
Est. Birth Year	~1925

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 William	Age	Birth yr
William Bartlett	Son	—	15	~1925
Mary Bartlett	Daughter	—	8	~1932
Franklin Bartlett	Head	—	41	~1899
Melba Bartlett	Spouse	—	40	~1900
Audrey Bartlett	Daughter	—	13	~1927

Census Appearances

1930

Middlesex, Massachusetts

Son, age 5

Middlesex, Massachusetts · implied b. ~1925 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bartlett
Given Name	William W.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Washington
Father's Birthplace	Virginia
Mother's Birthplace	Massachusetts
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

Middlesex-County, Massachusetts

Son, age 15

Middlesex-County, Massachusetts · implied b. ~1925 — 5 household members

Surname	Bartlett
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Washington
1935 Residence (City)	Newton city
1935 Residence (County)	Middlesex
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Linked across censuses

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

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This person

Anchor record

William Bartlett

Son · 1940 · age 15 · b. ~1925 · Massachusetts

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Sibling

Audrey Bartlett

Sibling · 1940 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Mary Bartlett

Sibling · 1940 · age 8

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 — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01615-00149)

Line	Name	Age	Relation	Occupation	Birthplace
1	Elsie S. Fuller	61	Head	—	Mass.
2	Evelyn M. Hendrie	58	Head	—	Mass.
3	Mary M. Gassett	89	Mother	—	New Hamp.
4	Elsie G. Everett	56	Head	Teacher	Scotland
5	Elizabeth Everett	29	Daughter	Teacher	Texas
6	Ada M. Coupland	81	Mother	—	Conn.
7	Mabel R. Simon	68	Head	—	Illinois
8	Ruth S. Lane	53	Head	Librarian	Mass.
9	Margaret Lane	25	Daughter	—	New York
10	Mary D. Pratt	55	Sister	—	Mass.
11	Sherman Chase	55	Head	Engineer	Mass.
12	Bertha Chase	53	Wife	—	Mass.
13	Edward S. Chase	12	Son	—	Mass.
14	Alice M. Dike	66	Head	—	Vermont
15	Elizabeth A. Dike	62	Sister	—	Vermont
16	Dorothy Fourier	20	Maid	Maid	Mass.
17	Herbert E. Ames	46	Head	Traffic Engineer	Mass.
18	Ruth Ames	41	Wife	—	Mass.
19	Nancy Ames	15	Daughter	—	Mass.
20	Cynthia Ames	5	Daughter	—	Mass.
21	Franklin B. Bartlett	41	Head	Production Salesman	Virginia
22	Melba Bartlett	40	Wife	—	Mass.
23	William Bartlett THIS PERSON	15	Son	—	Washington
24	Audrey Ann Bartlett	13	Daughter	—	Mass.
25	Mary Lou Bartlett	8	Daughter	—	Mass.
26	Albert E. Fraser	69	Head	Notary Public	Mass.
27	Frances L. Fraser	54	Wife	—	New Hamp.
28	George E. Felton	42	Head	Paint Mfg	New Hamp.
29	Edith B. Felton	44	Wife	—	Mass.
30	Barbara E. Felton	19	Daughter	—	Mass.
31	Virginia Felton	16	Daughter	—	Mass.
32	Lester B. Felton	13	Son	—	Mass.
33	Bridget Connor	27	Maid	Maid	Ireland
34	Josephine Estabrook	54	Head	—	New Jersey
35	Robert P. Estabrook	23	Son	Wholesale	Mass.
36	Henry C. Bourne	57	Head	Salesman	Mass.
37	Nellie A. Bourne	50	Wife	Clerk	Maine
38	Harry G. Langdon	30	Step-son	Retail Salesman	Maine
39	Allen B. Ensign	59	Head	Public Accountant	New York
40	Madge M. Ensign	58	Wife	—	Mass.

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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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