John Mcdonald — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Androscoggin-County, Maine

Our Model Tree links this John Mcdonald across the 1920, 1930 and 1940 US Censuses in Androscoggin-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 5-person household.

Age 46 b. ~1894 Male Head Born: Maine Married

1940 Census Record Details

Census Year	1940
Location	Androscoggin-County, Maine
Surname	McDonald
Given Name	John P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	City of Lewiston
Additional Details
Occupation	44
Industry	electrician
Class of Worker	Bleachery
Highest Grade	No 6
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine
Occupation	44
Township / Ward	City Of Lewiston
Est. Birth Year	~1894

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 John	Age	Birth yr
Lorraine Mcdonald	Daughter	—	8	~1932
John Mcdonald	Head	—	46	~1894
Margaret Kelleher	Other	—	81	~1859
Patrick Mcdonald	Son	—	7	~1933
Dorothy Mcdonald	Spouse	—	29	~1911

Census Appearances

1920

Androscoggin, Maine

Other, age 26

Androscoggin, Maine · implied b. ~1894 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDonald
Given Name	John
Relationship to Head	Lodger
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Maine
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Laborer
Industry	Shoe Shop
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1930

Androscoggin, Maine

Other, age 34

Androscoggin, Maine · implied b. ~1896 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDonald
Given Name	John
Relationship to Head	Roomer
Sex	M
Color / Race	White
Age	34
Marital Status	Single
Birthplace	Maine
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Guide
Industry	Camp
Class of Worker	W
Can Read/Write	Yes
Veteran	Yes WW
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1940

Androscoggin-County, Maine

Head, age 46

Androscoggin-County, Maine · implied b. ~1894 — 5 household members

Surname	McDonald
Given Name	John P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	City of Lewiston
Occupation	44
Industry	electrician
Class of Worker	Bleachery
Highest Grade	No 6
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mcdonald

Head · 1940 · age 46 · b. ~1894 · Maine

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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 — Androscoggin-County, Maine Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01469-00934)

Line	Name	Age	Relation	Occupation	Birthplace
1	Son Robert	None	M	—	—
2	Son Jerry	None	M	—	—
3	Daughter Carol	None	F	—	—
4	Frederick Theriault	59	Head	No	Canada-Fr
5	Annie Theriault	57	wife	No	Canada-Fr
6	Lena Theriault	29	daughter	Saleslady	Canada-Fr
7	Firemont Ross	78	lodger	0	Maine
8	Edward Hadakin	23	lodger	42	Maine
9	Winifred Hadakin	20	lodger	0	Maine
10	Helen Bernatchez	81	Head	0	Canada-Fr
11	Lydia Bernatchez	50	daughter	42	Maine
12	Stella Bernatchez	48	daughter	42	Maine
13	Ovide J. Theberge	36	Head	42	Maine
14	Margaret Theberge	40	wife	18	Ireland-Free
15	Mary Louise Theberge	9	daughter	—	Maine
16	Arthur Sicard	29	Head	56	N. H.
17	Ernestine Sicard	27	wife	0	Maine
18	Normand Sicard	7	son	—	Maine
19	Dora Spencer	48	Head	0	Maine
20	Roland Spencer	25	son	36	Maine
21	Mildred Spencer	14	daughter	0	Maine
22	Rita Spencer	24	daughter in law	40	Canada-Fr
23	Amanda Marcony	78	mother	0	Canada-Fr
24	John P. Mcdonald THIS PERSON	46	Head	44	Maine
25	Dorothy G. Mcdonald	29	wife	0	Maine
26	Lorraine Mcdonald	8	daughter	—	Maine
27	Patrick Mcdonald	7	son	—	Maine
28	Margaret Kelleher	81	Aunt	0	Ireland-Free
29	Walter Ivers	40	Head	45	England
30	Gladys Ivers	34	wife	—	Maine
31	Barbara Ivers	12	daughter	—	Maine
32	Elizabeth Ivers	8	daughter	—	Maine
33	Bernard M. Pres	32	Head	40	Maine
34	Barbara B. Pres	26	wife	10	Maine
35	Marjorie Huntington	17	maid	Domestic	Maine
36	Lawrence Maher	34	Head	42	Maine
37	Agnes Maher	12	daughter	—	Maine
38	Jacqueline Maher	10	daughter	—	Maine
39	Martha Bullock	58	mother	0	Maine
40	Mary Ryan	69	Head	0	Maine

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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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