MC
Mary Carpenter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Palo-Alto-County, Iowa
Our Model Tree links this Mary Carpenter across the 1930 and 1940 US Censuses in Palo-Alto-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Palo-Alto-County, Iowa |
| Surname | Carpenter |
| Given Name | Mary Marj |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Emmetsburg |
| 1935 Residence (County) | Palo Alto |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Emmetsburg |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carpenter | Daughter | — | 18 | ~1922 |
| Burden Carpenter | Head | — | 42 | ~1898 |
| Garell Carpenter | Son | — | 16 | ~1924 |
| Bobbie Carpenter | Son | — | 3 | ~1937 |
| Vincent Carpenter | Son | — | 19 | ~1921 |
| Dick Carpenter | Son | — | 6 | ~1934 |
| Basel Carpenter | Son | — | 14 | ~1926 |
| Billie Carpenter | Son | — | 11 | ~1929 |
| Everett Carpenter | Son | — | 12 | ~1928 |
| Bernard Carpenter | Son | — | 15 | ~1925 |
| Mary Carpenter | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Palo Alto, …
Daughter, age 8
Palo Alto, Iowa · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Palo-Alto-County, Iowa
Daughter, age 18
Palo-Alto-County, Iowa · implied b. ~1922 — 11 household members
| Surname | Carpenter |
| Given Name | Mary Marj |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Emmetsburg |
| 1935 Residence (County) | Palo Alto |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Carpenter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carpenter
Daughter · 1940 · age 18 · b. ~1922 · Iowa
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Sibling
Everett Carpenter
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Basel Carpenter
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Carpenter
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dick Carpenter
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Carpenter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garell Carpenter
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobbie Carpenter
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Carpenter
Sibling · 1940 · age 11
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 — Palo-Alto-County, Iowa
Open full size
1940 US Federal Census — Palo-Alto-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01189-00119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | W F Morris | 76 | Head | — | Indiana |
| 42 | Rosella Morris | 64 | Wife | — | Iowa |
| 43 | Frances Evans | 30 | Daughter | — | Iowa |
| 44 | F L Evans | 29 | Son-in-law | — | Iowa |
| 45 | H L Clum | 55 | Head | Proprietor | Ohio |
| 46 | Hattie Clum | 48 | Wife | — | Ohio |
| 47 | Earl Beebe | 51 | Head | Proprietor | Iowa |
| 48 | Nietta Beebe | 48 | Wife | — | Minnesota |
| 49 | Dorothy Beebe | 22 | Daughter | — | Iowa |
| 50 | Bert Hughes | 56 | Head | Proprietor | Minnesota |
| 51 | Katherine Hughes | 50 | Wife | — | Wisconsin |
| 52 | Charles Hughes | 19 | Son | — | Iowa |
| 53 | Robert Hughes | 18 | Son | — | Iowa |
| 54 | Raymond Haas | 51 | Head | Travel Salesman | Iowa |
| 55 | Marehe Haas | 52 | Wife | — | Iowa |
| 56 | Joan Haas | 16 | Daughter | — | Iowa |
| 57 | Joe A Hoyt | 44 | Head | Stock Buyer | Iowa |
| 58 | Conetta Hoyt | 45 | Wife | — | Iowa |
| 59 | Josephine Hoyt | 17 | Daughter | — | Iowa |
| 60 | Maryn Hoyt | 15 | Daughter | — | Iowa |
| 61 | Elizabeth Farr | 82 | Mother-in-law | — | Vermont |
| 62 | Burden Carpenter | 42 | Head | Miller | Iowa |
| 63 | Mary Wife Carpenter | 42 | Wife | — | Iowa |
| 64 | Vincent Carpenter | 19 | Son | Fireman | Iowa |
| 65 | Mary Marj Carpenter THIS PERSON | 18 | Daughter | — | Iowa |
| 66 | Garell Carpenter | 16 | Son | — | Iowa |
| 67 | Bernard Carpenter | 15 | Son | — | Iowa |
| 68 | Basel Carpenter | 14 | Son | — | Iowa |
| 69 | Everett Carpenter | 12 | Son | — | Iowa |
| 70 | Billie Carpenter | 11 | Son | — | Iowa |
| 71 | Dick Carpenter | 6 | Son | — | Iowa |
| 72 | Bobbie Carpenter | 3 | Son | — | Iowa |
| 73 | Roy Haag | 56 | Head | Laundress | Wisconsin |
| 74 | Minnie Haag | 51 | Wife | — | Iowa |
| 75 | Nerdell Haag | 21 | Son | — | Iowa |
| 76 | Osarita Kains | 38 | Head | — | Iowa |
| 77 | Patricia Kains | 13 | Son | — | Iowa |
| 78 | Thomas Kains | 10 | Son | — | Iowa |
| 79 | Gilbert Myers | 36 | Head | Truck Driver | Iowa |
| 80 | Faye Myers | 37 | Wife | — | Iowa |
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)