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Mary Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clearwater-County, Minnesota
Our Model Tree links this Mary Marsh across the 1930 and 1940 US Censuses in Clearwater-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clearwater-County, Minnesota |
| Surname | Marsh |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Shevlin Township |
| 1935 Residence (County) | Clearwater |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Shevlin Township |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Marsh | Son | — | 18 | ~1922 |
| Louis Marsh | Son | — | 8 | ~1932 |
| August Marsh | Head | — | 44 | ~1896 |
| Margery Marsh | Daughter | — | 20 | ~1920 |
| Richard Marsh | Son | — | 16 | ~1924 |
| Nels Lindblad | Other | — | 61 | ~1879 |
| Lettie Marsh | Spouse | — | 43 | ~1897 |
| Molly Marsh | Daughter | — | 5 | ~1935 |
| Mary Marsh | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Clearwater, Minnesota
Daughter, age 3
Clearwater, Minnesota · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | North Dakota |
| Can Read/Write | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Clearwater-County, Minnesota
Daughter, age 13
Clearwater-County, Minnesota · implied b. ~1927 — 9 household members
| Surname | Marsh |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Shevlin Township |
| 1935 Residence (County) | Clearwater |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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.
Our Model Tree links Mary Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Daughter · 1940 · age 13 · b. ~1927 · Minnesota
★ You are viewing this record
Sibling
Richard Marsh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Marsh
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Molly Marsh
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margery Marsh
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Marsh
Sibling · 1940 · age 18
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 — Clearwater-County, Minnesota
Open full size
1940 US Federal Census — Clearwater-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-01087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank A. Carlson | 62 | Uncle | Farm Laborer | Sweden |
| 42 | George K. Wonser | 51 | Head | Common Labor | Sweden |
| 43 | Ann Wonser | 35 | Wife | — | North Dakota |
| 44 | Emma S. Holm | 69 | Head | — | Sweden |
| 45 | Sigurd H. Hegg | 50 | Head | Farmer | Minnesota |
| 46 | Elsie J. Hegg | 48 | Wife | — | Minnesota |
| 47 | Lester C. Hegg | 20 | Son | Farm Laborer | Minnesota |
| 48 | Selma E. Hegg | 17 | Daughter | — | Minnesota |
| 49 | Bernice T. Hegg | 14 | Daughter | — | Minnesota |
| 50 | Marion J. Hegg | 11 | Daughter | — | Minnesota |
| 51 | Helen L. Hegg | 9 | Daughter | — | Minnesota |
| 52 | Arthur O. Hegg | 7 | Son | — | Minnesota |
| 53 | Louis Sather | 40 | Head | Farmer | Minnesota |
| 54 | Dorothy M. Sather | 19 | Wife | — | Minnesota |
| 55 | Alfred E. Sather | 2 | Son | — | Minnesota |
| 56 | Colette Sather | 72 | Mother | — | Norway |
| 57 | L. Thorwald | 37 | Head | Farmer | Minnesota |
| 58 | Esther M. Thorwald | 23 | Wife | — | Minnesota |
| 59 | Arvid L. Thorwald | 5 | Son | — | Minnesota |
| 60 | L. Anton | 34 | Head | Common Labor | Minnesota |
| 61 | Charllet Anton | 26 | Wife | — | Minnesota |
| 62 | Hjalmer Anton | 6 | Son | — | Minnesota |
| 63 | La Von Anton | 4 | Daughter | — | Minnesota |
| 64 | Raymond Anton | 2 | Son | — | Minnesota |
| 65 | Emil Strandlien | 41 | Head | Farmer | Minnesota |
| 66 | Mabel J. Strandlien | 46 | Wife | — | Minnesota |
| 67 | Ethel M. B. Strandlien | 15 | Daughter | — | Minnesota |
| 68 | Hazel L. Strandlien | 12 | Daughter | — | Minnesota |
| 69 | Lawrence H. Strandlien | 9 | Son | — | Minnesota |
| 70 | Virgil J. Strandlien | 4 | Son | — | Minnesota |
| 71 | August M. Marsh | 44 | Head | Farmer | Minnesota |
| 72 | Lettie G. Marsh | 43 | Wife | — | North Dakota |
| 73 | Margery L. Marsh | 20 | Daughter | — | Minnesota |
| 74 | Robert L. Marsh | 18 | Son | — | Minnesota |
| 75 | Richard C. Marsh | 16 | Son | Farm Laborer | Minnesota |
| 76 | Mary A. Marsh THIS PERSON | 13 | Daughter | — | Minnesota |
| 77 | Louis R. Marsh | 8 | Son | — | Minnesota |
| 78 | Molly M. Marsh | 5 | Daughter | — | Minnesota |
| 79 | Nels P. Lindblad | 61 | Lodger | Farmer | Sweden |
| 80 | John Chevalier | 66 | Head | Farmer | Minnesota |
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)