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Mary Mcmanus — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clay-County, Minnesota
Our Model Tree links this Mary Mcmanus across the 1930 and 1940 US Censuses in Clay-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Minnesota |
| Surname | McManus |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Dilworth Village |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Dilworth Village |
| Est. Birth Year | ~1926 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mcmanus | Daughter | — | 19 | ~1921 |
| John Mcmanus | Son | — | 12 | ~1928 |
| Eugene Mcmanus | Son | — | 10 | ~1930 |
| Wm Mcmanus | Head | — | 56 | ~1884 |
| Robert Mcmanus | Son | — | 16 | ~1924 |
| Mary Mcmanus | Daughter | — | 14 | ~1926 |
| William Mcmanus | Son | — | 20 | ~1920 |
| Margaret Mcmanus | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Clay, Minnesota
Daughter, age 4
Clay, Minnesota · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Clay-County, Minnesota
Daughter, age 14
Clay-County, Minnesota · implied b. ~1926 — 8 household members
| Surname | McManus |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Dilworth Village |
| 1935 Residence (County) | Clay |
| Hours Worked | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Mcmanus across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmanus
Daughter · 1940 · age 14 · b. ~1926 · Minnesota
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Sibling
Eugene Mcmanus
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcmanus
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmanus
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mcmanus
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcmanus
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 — Clay-County, Minnesota
Open full size
1940 US Federal Census — Clay-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-00097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marilyn F. Miller | 21 | Daughter | — | North Dakota |
| 42 | Wm. E. Mcmanus | 56 | Head | Engineer | Minnesota |
| 43 | Margaret Mcmanus | 54 | Wife | — | Minnesota |
| 44 | William A. Mcmanus | 20 | Son | — | Minnesota |
| 45 | Katherine A. Mcmanus | 19 | Daughter | — | North Dakota |
| 46 | Robert Mcmanus | 16 | Son | — | North Dakota |
| 47 | Mary Mcmanus THIS PERSON | 14 | Daughter | — | North Dakota |
| 48 | John Mcmanus | 12 | Son | — | North Dakota |
| 49 | Eugene Mcmanus | 10 | Son | — | North Dakota |
| 50 | Walter W. Kommer | 44 | Head | Manager | Minnesota |
| 51 | Mable Kommer | 37 | Wife | — | Minnesota |
| 52 | Lloyd Kommer | 21 | Son | Laborer | Minnesota |
| 53 | Vivian Kommer | 16 | Daughter | — | North Dakota |
| 54 | Earl Kommer | 12 | Son | — | Minnesota |
| 55 | Sidney Elton Shelver | 30 | Lodger | Teacher | North Dakota |
| 56 | Reuben A. Ensen | 57 | Head | Carpenter | Germany |
| 57 | Isabelle Ensen | 49 | Wife | Cook | Norway |
| 58 | Art Ensen | 29 | Son | Brick Layer | North Dakota |
| 59 | Kenneth Ensen | 24 | Son | Janitor | North Dakota |
| 60 | Patricia Ensen | 9 | Daughter | — | Minnesota |
| 61 | Harold Stahle | 25 | Lodger | Switchman | Minnesota |
| 62 | Walter Schroeder | 53 | Lodger | Operator | Minnesota |
| 63 | M. A. Carpenter | 56 | Head | Fireman | Iowa |
| 64 | Clara Carpenter | 51 | Wife | — | North Dakota |
| 65 | Henry H. Mcmanus | 61 | Head | Conductor | Iowa |
| 66 | Ina H. Mcmanus | 56 | Wife | — | South Dakota |
| 67 | Margaret Mcmanus | 23 | Daughter | — | North Dakota |
| 68 | Edward Mcmanus | 20 | Son | Round House Laborer | Minnesota |
| 69 | Leo Mcmanus | 18 | Son | Bell Boy | North Dakota |
| 70 | Helen Mcmanus | 15 | Son | — | Minnesota |
| 71 | Arthur J. Tennis | 60 | Head | Conductor | Wisconsin |
| 72 | Lucile Tennis | 51 | Wife | — | Minnesota |
| 73 | Marie Tennis | 20 | Daughter | Clerk | Minnesota |
| 74 | Delphine Tennis | 17 | Daughter | — | Minnesota |
| 75 | Jack Tennis | 15 | Son | — | Minnesota |
| 76 | Marcia Tennis | 11 | Daughter | — | North Dakota |
| 77 | Albert Larson | 35 | Head | Car Repairer | Minnesota |
| 78 | Alice Larson | 34 | Wife | — | Minnesota |
| 79 | Howard Larson | 14 | Son | — | Minnesota |
| 80 | Delores Larson | 12 | Daughter | — | Minnesota |
Related Census Records
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)