Mary Stevenson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Iron-County, Michigan

Our Model Tree links this Mary Stevenson across the 1920, 1930 and 1940 US Censuses in Iron-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 5-person household.

Age 61 b. ~1879 Female Spouse Born: Finland Married

1940 Census Record Details

Census Year	1940
Location	Iron-County, Michigan
Surname	Stevenson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Finland
1935 Residence (City)	Crystal Falls City
1935 Residence (County)	Iron
Naturalization Status	Naturalized
Additional Details
Occupation	Housekeeper
Industry	At home
Class of Worker	NP
Highest Grade	No 0
1935 Residence	Same place
Birth Country	Finland
Birthplace (normalized)	finland
Occupation	Housekeeper
Township / Ward	Crystal Falls City
Est. Birth Year	~1879

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
David Stevenson	Son	—	29	~1911
Fritz Stevenson	Head	—	66	~1874
Mary Stevenson	Spouse	—	61	~1879
Gunnar Stevenson	Son	—	31	~1909
Roy Stevenson	Son	—	24	~1916

Census Appearances

1920

Iron, Michigan

Spouse, age 46

Iron, Michigan · implied b. ~1874 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Stevenson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Finland
Year of Immigration	1898
Naturalization Status	Naturalized
Father's Birthplace	Finland
Mother's Birthplace	Finland
Speaks English	Yes
Mother Tongue	Swedish
Birth Country	Finland
Birthplace (normalized)	finland

1930

Iron, Michigan

Spouse, age 54

Iron, Michigan · implied b. ~1876 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Stevenson
Given Name	Maria
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Finland
Naturalization Status	Naturalized
Year of Immigration	1896
Age at First Marriage	22
Father's Birthplace	Finland
Mother's Birthplace	Finland
Can Read/Write	Yes
Mother Tongue	Swedish
Birth Country	Finland
Birthplace (normalized)	finland

1940

Iron-County, Michigan

Spouse, age 61

Iron-County, Michigan · implied b. ~1879 — 5 household members

Surname	Stevenson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Finland
1935 Residence (City)	Crystal Falls City
1935 Residence (County)	Iron
Naturalization Status	Naturalized
Occupation	Housekeeper
Industry	At home
Class of Worker	NP
Highest Grade	No 0
1935 Residence	Same place
Birth Country	Finland
Birthplace (normalized)	finland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Stevenson

Spouse · 1940 · age 61 · b. ~1879 · Michigan

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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 — Iron-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01765-00344)

Line	Name	Age	Relation	Occupation	Birthplace
1	Anna Nylund	53	Mother	House Keeper	Finland
2	Theodore Nylund	33	Head	Sloper-Ditcher	Michigan
3	Harold Nylund	32	Brother	Lumber Jack	Michigan
4	George Longrill	39	Head	Trucker	Canada
5	Gertrude Longrill	32	Wife	Sales Lady	Michigan
6	Charles Gronquist	68	Head	—	Finland
7	Sophie Gronquist	62	Wife	House Keeper	Finland
8	John Kylomaki	59	Head	Lumber Jack	Finland
9	Anna Kylomaki	59	Wife	—	Finland
10	Angelo Frizzo	61	Head	Sloper-Ditcher	Italy
11	Giuseppina Frizzo	60	Wife	—	Italy
12	Verner Maki	32	Head	Sloper-Ditcher	Michigan
13	Siiri Maki	30	Wife	Salesman Helper	Michigan
14	Kenneth Maki	5	Son	—	Michigan
15	Gust Maki	63	Father	Salesman Helper	Finland
16	Waino Johnson	38	Head	Line-Man	Michigan
17	Jennie Johnson	43	Wife	—	Finland
18	Joseph Schober	43	Head	Section Laborer	Michigan
19	Jennie Schober	38	Wife	—	Michigan
20	Walter Schober	19	Son	New Worker	Michigan
21	Ethel Schober	17	Daughter	—	Michigan
22	Evelyn Schober	14	Daughter	—	Michigan
23	Adlore Schober	10	Son	—	Michigan
24	Einar Pare	35	Brother-in-law	Ditcher	Michigan
25	George Dahl	33	Head	Service Station Operator	Michigan
26	Margaret Dahl	32	Wife	—	Michigan
27	Marilyn Dahl	7	Daughter	—	Michigan
28	Fritz Stevenson	66	Head	—	Sweden
29	Mary Stevenson THIS PERSON	61	Wife	Housekeeper	Finland
30	Gunnar Stevenson	31	Son	Laborer	Michigan
31	David Stevenson	29	Son	Sloper-Ditcher Tool Clerk	Michigan
32	Roy Stevenson	24	Son	New Worker	Michigan
33	John, Sr. Ondrus	50	Head	Sloper-Ditcher	Czecho-Slovakia
34	Mary Ondrus	46	Wife	House Keeper	Czecho-Slovakia
35	John, Jr. Ondrus	26	Son	Line Man	Michigan
36	Catherine Ondrus	23	Daughter	Practical Nurse	Michigan
37	Joseph Ondrus	21	Son	Wood Worker	Michigan
38	Michael Ondrus	19	Son	New Worker	Michigan
39	Emma Harrington	47	Head	Housekeeper	Michigan
40	Olive Harrington	26	Daughter	Operator Switch Board	Michigan

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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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