Joseph Leonard — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Knox-County, Maine

Our Model Tree links this Joseph Leonard across the 1920, 1930 and 1940 US Censuses in Knox-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.

Age 58 b. ~1882 Male Head Born: Maine Married

1940 Census Record Details

Census Year	1940
Location	Knox-County, Maine
Surname	Leonard
Given Name	Joseph M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Camden Town
1935 Residence (County)	Knox
Additional Details
Occupation	Fireman
Industry	Woolen Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	450
Highest Grade	No 7
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine
Occupation	Fireman
Township / Ward	Camden Town
Est. Birth Year	~1882

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 Joseph	Age	Birth yr
Nellie Brown	Other	—	87	~1853
Elmer Leonard	Son	—	13	~1927
Clyde Leonard	Son	—	30	~1910
Joseph Leonard	Head	—	58	~1882
Edna Leonard	Spouse	—	54	~1886

Census Appearances

1920

Knox, Maine

Head, age 37

Knox, Maine · implied b. ~1883 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leonard
Given Name	Joseph M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Maine
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Fireman
Industry	Woolen Mill
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1930

Knox, Maine

Head, age 48

Knox, Maine · implied b. ~1882 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leonard
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Maine
Age at First Marriage	26
Father's Birthplace	England
Mother's Birthplace	England
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	500
Radio Set	No
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1940

Knox-County, Maine

Head, age 58

Knox-County, Maine · implied b. ~1882 — 5 household members

Surname	Leonard
Given Name	Joseph M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Camden Town
1935 Residence (County)	Knox
Occupation	Fireman
Industry	Woolen Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	450
Highest Grade	No 7
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

Model Tree

Linked across censuses

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

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This person

Anchor record

Joseph Leonard

Head · 1940 · age 58 · b. ~1882 · 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 — Knox-County, Maine Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01482-00080)

Line	Name	Age	Relation	Occupation	Birthplace
1	George Thomas	74	Father-in-law	—	Maine
2	George T. Chapin	13	Son	—	Maine
3	Everett L. Richards	54	Head	Laborer	Maine
4	Josie M. Richards	50	Wife	—	Maine
5	George M. Simmons	50	Head	Weaver	Maine
6	Esther C. Simmons	62	Wife	Weaver	Maine
7	Harry M. Chapman	69	Head	—	Maine
8	Nellie A. Chapman	56	Wife	—	Maine
9	Millie Chapman	28	Daughter	Nurse	Maine
10	Oscar G. Chapman	25	Son	Salesman	Maine
11	Phyllis G. Chapman	15	Daughter	—	Maine
12	Clarence C. Bishop	39	Head	Proprietor	Maine
13	Esther M. Bishop	65	Mother	—	Maine
14	Blanche H. Bishop	31	Wife	Saleslady	Maine
15	Robert Bishop	11	Son	—	Maine
16	Laura C. Thomas	54	Head	Sewer	Maine
17	Nellie L. Thomas	24	Daughter	Burler	Maine
18	Joseph M. Leonard THIS PERSON	58	Head	Fireman	Maine
19	Edna A. Leonard	54	Wife	Sewer	Maine
20	Clyde L. Leonard	30	Son	Fireman & Watchman	Maine
21	Elmer C. Leonard	13	Son	—	Maine
22	Nellie J. Brown	87	Mother-in-law	—	Maine
23	Harry E. Thurlow	46	Head	Substitute Clerk	Maine
24	Bertha W. Thurlow	41	Wife	—	England
25	Mary Alta Thurlow	17	Daughter	Organist	Maine
26	Roscoe B. Mcfarland	22	Head	Mechanic	Maine
27	Esther C. Mcfarland	21	Wife	—	Maine
28	Lloyd Mcfarland	19	Brother	Laborer	Maine
29	Paul Mcfarland	17	Brother	—	Maine
30	Robin J. Drinkwater	30	Head	Finisher	Maine
31	Bertha E. Drinkwater	26	Wife	—	Maine
32	Harold P. Drinkwater	9	Son	—	Maine
33	Lawrence I. Drinkwater	7	Son	—	Maine
34	Maxine C. Drinkwater	5	Daughter	—	Maine
35	John C. Robinson	36	Head	Laborer	Maine
36	Sadie F. Robinson	37	Wife	—	Maine
37	Bertha N. Robinson	16	Daughter	—	Maine
38	John C. Jr. Robinson	12	Son	—	Maine
39	John C. Robinson	65	Father	—	Maine
40	Arthur N. Lindsey	46	Head	Watchman	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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