MD
Mary Dennis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hubbard-County, Minnesota
Our Model Tree links this Mary Dennis across the 1930 and 1940 US Censuses in Hubbard-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hubbard-County, Minnesota |
| Surname | Dennis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Lake Emma |
| 1935 Residence (County) | Hubbard |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Lake Emma |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lyle Dennis | Son | — | 4 | ~1936 |
| Gordon Dennis | Son | — | 6 | ~1934 |
| Mary Dennis | Daughter | — | 13 | ~1927 |
| Eugene Dennis | Son | — | 12 | ~1928 |
| Raymond Dennis | Son | — | 10 | ~1930 |
| Clyde Dennis | Head | — | 41 | ~1899 |
| Thelma Dennis | Spouse | — | 34 | ~1906 |
| Lanelle Dennis | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Hubbard, Minnesota
Daughter, age 4
Hubbard, Minnesota · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hubbard-County, Minnesota
Daughter, age 13
Hubbard-County, Minnesota · implied b. ~1927 — 8 household members
| Surname | Dennis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Lake Emma |
| 1935 Residence (County) | Hubbard |
| Highest Grade | 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 Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dennis
Daughter · 1940 · age 13 · b. ~1927 · Minnesota
★ You are viewing this record
Sibling
Lanelle Dennis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Dennis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Dennis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Dennis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Dennis
Sibling · 1940 · age 4
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 — Hubbard-County, Minnesota
Open full size
1940 US Federal Census — Hubbard-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01927-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna L. Sessums | 34 | Wife | — | Missouri |
| 42 | Harold A. Sessums | 14 | Son | — | Iowa |
| 43 | Beverly May Sessums | 10 | Daughter | — | Minnesota |
| 44 | John A. Jr. Burtness | 24 | Head | Farmer | Minnesota |
| 45 | Mildred Burtness | 21 | Wife | — | Minnesota |
| 46 | Marion Breezer | 19 | Sister-in-law | — | Minnesota |
| 47 | Phillip Breezer | 16 | Brother-in-law | — | Minnesota |
| 48 | Ben Johnston | 30 | Head | Caretaker | Minnesota |
| 49 | Alwilda Johnston | 32 | Wife | — | South Dakota |
| 50 | William G. Churchill | 32 | Head | Farmer | Minnesota |
| 51 | Lola Churchill | 29 | Wife | Teacher | Iowa |
| 52 | Dene Le Ray Churchill | 5 | Son | — | Minnesota |
| 53 | Joe Schmid | 58 | Head | Farmer | Wisconsin |
| 54 | George Schmid | 33 | Son | Farm Hand | Minnesota |
| 55 | Claire Schmid | 25 | Daughter | — | Minnesota |
| 56 | C. A. Thomas | 54 | Head | Farmer | South Dakota |
| 57 | Ole Knutson | 49 | Head | Laborer | Norway |
| 58 | Bertha Knutson | 59 | Wife | — | North Dakota |
| 59 | Ira Dennis | 40 | Head | Farmer | Minnesota |
| 60 | Walburga Dennis | 32 | Wife | — | Minnesota |
| 61 | Marvin Dennis | 14 | Son | — | Minnesota |
| 62 | Virginia Dennis | 12 | Daughter | — | Minnesota |
| 63 | Patrick Dennis | 10 | Son | — | Minnesota |
| 64 | Kathleen Dennis | 5 | Daughter | — | Minnesota |
| 65 | D. J. Dunne | 36 | Head | Farmer | North Dakota |
| 66 | Anna Dunne | 32 | Wife | — | South Dakota |
| 67 | Donna Dunne | 11 | Daughter | — | South Dakota |
| 68 | Billie Jean Dunne | 9 | Daughter | — | South Dakota |
| 69 | Leticia Ann Dunne | 3 | Daughter | — | Minnesota |
| 70 | Chas Gordon | 45 | Head | Resort Owner | Nebraska |
| 71 | Helen Gordon | 33 | Wife | — | South Dakota |
| 72 | Sylvia Gordon | 14 | Daughter | — | South Dakota |
| 73 | Clyde Dennis | 41 | Head | Farmer | Minnesota |
| 74 | Thelma Dennis | 34 | Wife | — | Minnesota |
| 75 | Mary Dennis THIS PERSON | 13 | Daughter | — | Minnesota |
| 76 | Lanelle Dennis | 12 | Daughter | — | Minnesota |
| 77 | Eugene Dennis | 12 | Son | — | Minnesota |
| 78 | Raymond Dennis | 10 | Son | — | Minnesota |
| 79 | Gordon Dennis | 6 | Son | — | Minnesota |
| 80 | Lyle Dennis | 4 | Son | — | 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)