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Mary Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Meeker-County, Minnesota
Our Model Tree links this Mary Mccormick across the 1930 and 1940 US Censuses in Meeker-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Meeker-County, Minnesota |
| Surname | McCormick |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ellsworth Township |
| 1935 Residence (County) | Mower |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Ellsworth Township |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccormick | Daughter | — | 14 | ~1926 |
| Alice Mccormick | Daughter | — | 9 | ~1931 |
| Anne Mccormick | Daughter | — | 2 | ~1938 |
| Elizabeth Mccormick | Daughter | — | 5 | ~1935 |
| Elaine Mccormick | Daughter | — | 12 | ~1928 |
| Jerry Mccormick | Head | — | 41 | ~1899 |
| John Mccormick | Son | — | 7 | ~1933 |
| Gregory Mccormick | Son | — | ~1940 | |
| Jerry Mccormick | Son | — | 10 | ~1930 |
| Edward Mccormick | Son | — | 4 | ~1936 |
| Emmet Mccormick | Son | — | 4 | ~1936 |
| Mary Mccormick | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Meeker, Minnesota
Daughter, age 4
Meeker, Minnesota · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Meeker-County, Minnesota
Daughter, age 14
Meeker-County, Minnesota · implied b. ~1926 — 12 household members
| Surname | McCormick |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ellsworth Township |
| 1935 Residence (County) | Mower |
| Income (1939) | 0 |
| 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 Mccormick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccormick
Daughter · 1940 · age 14 · b. ~1926 · Minnesota
★ You are viewing this record
Sibling
Jerry Mccormick
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mccormick
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmet Mccormick
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mccormick
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Mccormick
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gregory Mccormick
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccormick
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Mccormick
Sibling · 1940 · age 12
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 — Meeker-County, Minnesota
Open full size
1940 US Federal Census — Meeker-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01938-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John C Potter | 62 | Head | Farmer | Pennsylvania |
| 42 | Recca A Potter | 55 | Wife | Housewife | Minnesota |
| 43 | Gilda Potter | 17 | Daughter | — | Minnesota |
| 44 | Calvin Potter | 25 | Son | Farm Hand | Minnesota |
| 45 | Marion Potter | 23 | Daughter | House Work | Minnesota |
| 46 | Janet B Potter | 3 | Granddaughter | — | Minnesota |
| 47 | John Fay | 74 | Head | Farmer | New York |
| 48 | Harris A Fay | 49 | Son | Farmer | Minnesota |
| 49 | John B Fay | 39 | Son | Farm Hand | Minnesota |
| 50 | Carl F Miller | 59 | Head | Farmer | Germany |
| 51 | Lillie Miller | 55 | Wife | Housewife | Minnesota |
| 52 | Ira Miller | 28 | Son | Farm Hand | Minnesota |
| 53 | Isabel Miller | 21 | Daughter | House Work | Minnesota |
| 54 | Barbara J Miller | 0 | Granddaughter | — | Minnesota |
| 55 | Earl Miller | 31 | Head | Farmer | Minnesota |
| 56 | Edna Miller | 33 | Wife | Housewife | Minnesota |
| 57 | John Carrigan | 65 | Head | Farmer | Minnesota |
| 58 | Gertrude Carrigan | 54 | Wife | Housewife | Minnesota |
| 59 | Kathleen M Carrigan | 21 | Daughter | House Work | Minnesota |
| 60 | Clerance Heath | 27 | Son-in-law | Farm Hand | South Dakota |
| 61 | Jerome J Carrigan | 27 | Head | Farmer | Minnesota |
| 62 | Mildred H Carrigan | 29 | Wife | Housewife | Canada |
| 63 | Jerome J Carrigan | 2 | Son | — | Minnesota |
| 64 | Jerry J Mccormick | 41 | Head | Farmer | Minnesota |
| 65 | Mary J Mccormick | 42 | Wife | Housewife | Minnesota |
| 66 | Mary J Mccormick THIS PERSON | 14 | Daughter | — | Minnesota |
| 67 | Elaine F Mccormick | 12 | Daughter | — | Minnesota |
| 68 | Jerry J Mccormick | 10 | Son | — | Minnesota |
| 69 | Alice M Mccormick | 9 | Daughter | — | Minnesota |
| 70 | John Mccormick | 7 | Son | — | Minnesota |
| 71 | Elizabeth Mccormick | 5 | Daughter | — | Minnesota |
| 72 | Edward Mccormick | 4 | Son | — | Minnesota |
| 73 | Emmet Mccormick | 4 | Son | — | Minnesota |
| 74 | Anne Mccormick | 2 | Daughter | — | Minnesota |
| 75 | Gregory J Mccormick | 0 | Son | — | Minnesota |
| 76 | Patrick Mcbeath | 27 | Head | Farmer | Minnesota |
| 77 | Jeremiah Mcbeath | 75 | Father | Farmer | Minnesota |
| 78 | Fannie S Mcbeath | 70 | Mother | Housewife | Minnesota |
| 79 | Brendan Madden | 17 | Farm hand | Farm Hand | Minnesota |
| 80 | Arthur L Mcbeath | 44 | Head | Farmer | 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)