Mary Swanson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Los-Angeles-County, California

Our Model Tree links this Mary Swanson across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 5-person household.

Age 38 b. ~1902 Female Daughter Born: Scotland Single

1940 Census Record Details

Census Year	1940
Location	Los-Angeles-County, California
Surname	Swanson
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	38
Marital Status	Single
Birthplace	Scotland
1935 Residence (City)	Los Angeles
1935 Residence (County)	Los Angeles
Naturalization Status	Naturalized
Additional Details
Occupation	no
Industry	no
Class of Worker	H
Income (1939)	0
Highest Grade	8
1935 Residence	Same house
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Los Angeles
Est. Birth Year	~1902

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 Mary	Age	Birth yr
Mary Swanson	Daughter	—	38	~1902
William Swanson	Head	—	80	~1860
Margaret Swanson	Spouse	—	76	~1864
Margaret Swanson	Daughter	—	47	~1893
Lawrence Swanson	Son	—	44	~1896

Census Appearances

1930

Los Angeles, …

Daughter, age 28

Los Angeles, California · implied b. ~1902 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	SWANSON
Given Name	MARY
Relationship to Head	DAUGHTER
Sex	F
Color / Race	White
Age	28
Marital Status	Single
Birthplace	SCOTLAND
Naturalization Status	Alien
Father's Birthplace	SCOTLAND
Mother's Birthplace	SCOTLAND
Occupation	NONE
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Los-Angeles-County, California

Daughter, age 38

Los-Angeles-County, California · implied b. ~1902 — 5 household members

Surname	Swanson
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	38
Marital Status	Single
Birthplace	Scotland
1935 Residence (City)	Los Angeles
1935 Residence (County)	Los Angeles
Naturalization Status	Naturalized
Occupation	no
Industry	no
Class of Worker	H
Income (1939)	0
Highest Grade	8
1935 Residence	Same house
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Swanson

Daughter · 1940 · age 38 · b. ~1902 · California

★ You are viewing this record

Sibling

Margaret Swanson

Sibling · 1940 · age 47

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Lawrence Swanson

Sibling · 1940 · age 44

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 — Los-Angeles-County, California Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-00402-00286)

Line	Name	Age	Relation	Occupation	Birthplace
1	Harry Heaton	56	Head	No	Indiana
2	Sadie Heaton	59	Wife	No	Indiana
3	Geo. M. Jackson	37	Head	Salesman	New Zealand
4	Mary Jackson	43	Wife	Secretary	Michigan
5	Monica O'Brien	23	Servant	Servant	California
6	Harry Minnebraker	57	Head	Custodian	Missouri
7	Wallace O. Thompson	36	Head	Salesman	California
8	Effie J. Byrne	57	Head	No	Ohio
9	Geo. W. Myers	36	Head	Fireman	Texas
10	Edna Myers	33	Wife	School Teacher	South Dakota
11	Richard Myers	1	Son	—	California
12	Lola Partridge	59	Lodger	No	Illinois
13	Emma M. Koschel	49	Head	No	Wisconsin
14	Edgar H. Donaldson	34	Head	Supervisor	Maryland
15	Robert L. Perkins	44	Head	Clerk	Illinois
16	Daniel Gaulton	53	Head	Custodian	England
17	Elizabeth Gaulton	48	Wife	No	England
18	David Gaulton	24	Son	Sheet Metal Worker	Michigan
19	Howard Gaulton	21	Son	New Worker	Michigan
20	Matilda Mock	76	Lodger	No	England
21	Robt. W. Hare	67	Head	Carpenter	Kentucky
22	Nellie J. Hare	60	Wife	No	Kansas
23	Bernice Hare	35	Daughter	Steno & Clerk	Colorado
24	Charles Dorman	35	Head	Clerk Office	Iowa
25	Frank G. Denshaw	47	Head	Furniture Salesman	Pennsylvania
26	Emma Denshaw	59	Wife	No	France
27	Lloyd E. Blanpied	46	Head	Paint Sales	Kansas
28	William Swanson	80	Head	No	Scotland
29	Margaret S. Swanson	76	Wife	No	Scotland
30	Margaret Swanson	47	Daughter	Clerk	Scotland
31	Lawrence Swanson	44	Son	Clerk	Scotland
32	Mary Swanson THIS PERSON	38	Daughter	No	Scotland
33	Ben J. Spindler	50	Head	Salesman	Austria
34	Emma Spindler	47	Wife	No	Colorado
35	Ted A. Spindler	18	Son	Truck Driver	California
36	Fred M. Spindler	16	Son	No	California
37	Robert Ward	27	Head	Automobile Finisher	Oregon
38	Edward L. French	35	Head	Policeman	Maryland

Search for Mary Swanson

All Mary Swanson Census Records Discover Swanson Family Tree

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)

Report inaccurate data