Mary Mcmanus — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Otter-Tail-County, Minnesota

Our Model Tree links this Mary Mcmanus across the 1920, 1930 and 1940 US Censuses in Otter-Tail-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 2-person household.

Age 82 b. ~1858 Female Head Born: Iowa Widowed

1940 Census Record Details

Census Year	1940
Location	Otter-Tail-County, Minnesota
Surname	McManus
Given Name	Mary Anne
Relationship to Head	Head
Sex	F
Color / Race	White
Age	82
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Fergus Falls
1935 Residence (County)	Ottertail
Additional Details
Class of Worker	0
Highest Grade	No 5
1935 Residence	Same house
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Fergus Falls
Est. Birth Year	~1858

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.

2 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
George Mcmanus	Son	—	47	~1893
Mary Mcmanus	Head	—	82	~1858

Census Appearances

1920

Ottertail, Minnesota

Spouse, age 61

Ottertail, Minnesota · implied b. ~1859 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McManus
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Otter Tail, …

Spouse, age 72

Otter Tail, Minnesota · implied b. ~1858 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McManus
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	72
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	18
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Otter-Tail-County, Minnesota

Head, age 82

Otter-Tail-County, Minnesota · implied b. ~1858 — 2 household members

Surname	McManus
Given Name	Mary Anne
Relationship to Head	Head
Sex	F
Color / Race	White
Age	82
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Fergus Falls
1935 Residence (County)	Ottertail
Class of Worker	0
Highest Grade	No 5
1935 Residence	Same house
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Mcmanus

Head · 1940 · age 82 · b. ~1858 · Minnesota

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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 — Otter-Tail-County, Minnesota Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-01945-00668)

Line	Name	Age	Relation	Occupation	Birthplace
1	Olive Tuvet	49	Wife	Practical Nurse	Norway
2	Jenny Humphrey	23	Daughter	—	Minnesota
3	Gerald Humphrey	25	Son-in-law	Apprentice Lineman	No. Dakota
4	Margaret Humphrey	3	Granddaughter	—	Minnesota
5	Gust Sundby	33	Head	Laborer	Minnesota
6	Eunice Sundby	36	Wife	—	Minnesota
7	Ruby Sundby	12	Daughter	—	Minnesota
8	La Verne Sundby	7	Daughter	—	Minnesota
9	Gordon Sundby	2	Son	—	Minnesota
10	Reva J. Berg	43	Head	—	Illinois
11	Dolores Berg	17	Daughter	—	Minnesota
12	Walter Berg	15	Son	—	Minnesota
13	Shirley Berg	12	Daughter	—	Minnesota
14	Albert Penske	47	Head	—	Minnesota
15	Clara Penske	48	Wife	—	Minnesota
16	Helen Penske	7	Daughter	—	Minnesota
17	Emil Fredeen	61	Head	Electrician	Minnesota
18	Christine Fredeen	60	Wife	—	Norway
19	Ruth Christian	30	Daughter	—	No. Dakota
20	Naomi Fredeen	16	Daughter	—	Minnesota
22	Christian Hallen	64	Head	—	Minnesota
23	Christine Hallen	56	Wife	—	Minnesota
24	Esther Bothwell	61	Head	—	Minnesota
25	Edith Maack	63	Head	Cook	Minnesota
26	Vernon Maack	14	Grandson	—	Minnesota
27	Evelyn Clausen	31	Lodger	Waitress	Nebraska
28	Opal Reed	38	Head	Dishwasher	No. Dakota
29	Alvin Reed	18	Son	Farm Labor	No. Dakota
31	Ole O. Ihuson	41	Head	Owner	Norway
32	Hazel Ihuson	30	Wife	—	No. Dakota
33	Donald Ihuson	8	Son	—	Minnesota
34	Thomas Ihuson	7	Son	—	Minnesota
35	Robert Ihuson	3	Son	—	Minnesota
36	Barbara Ihuson	0	Daughter	—	Minnesota
37	Louisa Frankberg	60	Head	Dressmaker	Sweden
38	Raymond Frankberg	31	Son	Assistant Postmaster	Minnesota
39	Mary Anne Mcmanus THIS PERSON	82	Head	—	Iowa
40	George Mcmanus	47	Son	—	Minnesota

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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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