John Leonard — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 4-person household.

Age 48 b. ~1892 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Leonard
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Additional Details
Occupation	Boiler Maker
Industry	Railroad Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	304
Highest Grade	No 8
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Occupation	Boiler Maker
Township / Ward	Portland City
Est. Birth Year	~1892

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 John	Age	Birth yr
Kathleen Leonard	Daughter	—	11	~1929
John Leonard	Head	—	48	~1892
Roger Leonard	Son	—	17	~1923
Marguerite Leonard	Spouse	—	42	~1898

Census Appearances

1920

Multnomah, Oregon

Head, age 28

Multnomah, Oregon · implied b. ~1892 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leonard
Given Name	John H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Minnesota
Mother's Birthplace	Ireland
Occupation	Boiler Maker
Industry	Steel Construction
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Multnomah, Oregon

Head, age 38

Multnomah, Oregon · implied b. ~1892 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leonard
Given Name	John H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	27
Father's Birthplace	Minnesota
Mother's Birthplace	Ireland-Northern
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	3500
Radio Set	R
Veteran	No
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Multnomah-County, Oregon

Head, age 48

Multnomah-County, Oregon · implied b. ~1892 — 4 household members

Surname	Leonard
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Occupation	Boiler Maker
Industry	Railroad Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	304
Highest Grade	No 8
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links John 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

John Leonard

Head · 1940 · age 48 · b. ~1892 · Oregon

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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 — Multnomah-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03390-00413)

Line	Name	Age	Relation	Occupation	Birthplace
1	Catherine Burke	57	Head	—	England
2	Raymond Burke	27	Son	Box Maker	England
3	Victoria Tucker	30	Head	Sales Clerk	Oregon
4	Bonnie Tucker	30	Wife	—	Minnesota
5	Darryl Tucker	3	Son	—	Oregon
6	Lance Tucker	2	Son	—	Oregon
7	William O'Donnell	41	Head	Teletype Repairman	Oregon
8	Madeline O'Donnell	40	Wife	—	Utah
9	Virginia O'Donnell	18	Daughter	—	Oregon
10	Dorothy O'Donnell	17	Daughter	—	Oregon
11	Walter O'Donnell	13	Son	—	Oregon
12	Herbert Fox	35	Head	Minister	England
13	Ella Fox	26	Wife	—	Canada-Eng
14	Alfred Fox	7	Son	—	Canada-Eng
15	William Fox	6	Son	—	Oregon
16	Samuel Fox	61	Father	Salesman	England
17	Agnes Fox	57	Mother	—	England
18	Here Ends Fox	None	Block	—	—
19	Carl Schweitzer	30	Head	Paint Maker	Oregon
20	Ruth Schweitzer	29	Wife	—	Illinois
21	Elmer Larson	20	Head	Machinist	Oregon
22	Lois Larson	20	Wife	—	Oregon
23	Harriett Larson	0	Daughter	—	Oregon
24	Harry Murray	55	Head	Barber	S. Dakota
25	Emma Murray	50	Wife	Maid	Minnesota
26	Velma Anderson	59	Head	—	Sweden
27	Alfred Sheely	54	Head	Dockworker	Maryland
28	Marguerite Sheely	41	Wife	—	Russia
29	Gladys Sheely	25	Daughter	Stenographer	Oregon
30	Fred Kruse	40	Head	Picture Framer	New York
31	Lana Kruse	35	Wife	—	Washington
32	Barbara Ann Kruse	9	Daughter	—	San Francisco
33	Fred Kruse	5	Son	—	California
34	Reginald Kruse	3	Son	—	California
35	John Leonard THIS PERSON	48	Head	Boiler Maker	Minnesota
36	Marguerite Leonard	42	Wife	—	Ireland-Free State
37	Roger Leonard	17	Son	—	Oregon
38	Kathleen Leonard	11	Daughter	—	Oregon
39	Ralph Fannaw	74	Head	—	Oregon
40	Martha Fannaw	74	Wife	—	Iowa

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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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