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Martha Simmons — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Olmsted-County, Minnesota

Our Model Tree links this Martha Simmons across the 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.

Age 11 b. ~1929 Female Daughter Born: Minnesota Single

1940 Census Record Details

Census Year1940
LocationOlmsted-County, Minnesota
SurnameSimmons
Given NameMartha J
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceMinnesota
1935 Residence (City)Rochester
1935 Residence (County)Olmsted
Additional Details
Highest GradeNo 4
1935 ResidenceMinnesota
Birth StateMinnesota
Birth CountryUnited States
Birthplace (normalized)minnesota
Township / WardRochester
Est. Birth Year~1929

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.

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

Name Relation to head Relative to Martha Age Birth yr
Anna Simmons Spouse — 53 ~1887
Marion Simmons Daughter — 21 ~1919
Charles Simmons Son — 18 ~1922
Jack Simmons Son — 16 ~1924
Margaret Simmons Daughter — 19 ~1921
Martha Simmons Daughter — 11 ~1929
Robert Simmons Son — 13 ~1927
Charles Simmons Head — 54 ~1886

Census Appearances

1930
Olmsted, Minnesota
Daughter, age 1
Olmsted, Minnesota · implied b. ~1929 — 13 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Simmons
Given Name Martha J.
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace Minnesota
Father's Birthplace Iowa
Mother's Birthplace Iowa
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota
1940
Olmsted-County, Minnesota
Daughter, age 11
Olmsted-County, Minnesota · implied b. ~1929 — 8 household members
Surname Simmons
Given Name Martha J
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace Minnesota
1935 Residence (City) Rochester
1935 Residence (County) Olmsted
Highest Grade No 4
1935 Residence Minnesota
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Martha Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Simmons
Daughter · 1940 · age 11 · b. ~1929 · Minnesota
★ You are viewing this record
Sibling
Robert Simmons
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Simmons
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Simmons
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Simmons
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Simmons
Sibling · 1940 · age 16
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 — Olmsted-County, Minnesota Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-01944-00601)

Line Name Age Relation Occupation Birthplace
1 Logan M Graham 23 Head Head Carrier Minnesota
2 Marie L Graham 22 Wife Waitress Minnesota
3 Richard Graham 5 Son — Minnesota
4 Mary Olson 53 Mother — Minnesota
5 Mary Olson 89 Mother — England
6 Verna Kranz 31 Head Graduate Nurse Minnesota
7 Kenneth Emin 23 Head Electro Plating So Dakota
8 Betty Emin 22 Wife Nurse Iowa
9 Reuben Triemann 27 Head Salesman Minnesota
10 Vivian Triemann 24 Wife Beauty Operator Minnesota
11 Don Lankford 35 Head Cook No Dakota
12 Madeline Lankford 37 Wife — Wisconsin
13 Charles Simmons 54 Head Painter Iowa
14 Anna M Simmons 53 Wife — Iowa
15 Marion Simmons 21 Daughter — Wyoming
16 Margaret Simmons 19 Daughter Register Clerk Wyoming
17 Charles W Simmons 18 Son — Wyoming
18 Jack W Simmons 16 Son — Wyoming
19 Robert N Simmons 13 Son — Iowa
20 Martha J Simmons THIS PERSON 11 Daughter — Minnesota
21 William Wiese 76 Head — Germany
22 Charlotte Wiese 63 Wife — Minnesota
23 Laura F Peschke 41 Daughter Saleslady Minnesota
24 Lorraine A Peschke 17 Granddaughter — Minnesota
25 Marlene D Peschke 14 Granddaughter — Minnesota
26 Elsa M Wiese 31 Daughter Housekeeper Minnesota
27 Caroline Rosenberger 66 Sister — Minnesota
28 Amil Wiese 27 Son Clerk Minnesota
29 Charles Ferguson 61 Head — Minnesota
30 Anne E Ferguson 53 Sister — Minnesota
31 Arnold H Kunke 36 Head Bottle Washer Minnesota
32 Margaret Kunke 31 Wife — Minnesota
33 Jordan Kunke 10 Son — Minnesota
34 Ronald W Kunke 2 Son — Minnesota
35 Andrew C Witt 66 Head Bottle Washer Iowa
36 Anna B Witt 60 Wife — Minnesota
37 Clifford F Witt 32 Son Painter 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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