MC
Mary Carter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allamakee-County, Iowa
Our Model Tree links this Mary Carter across the 1920, 1930 and 1940 US Censuses in Allamakee-County, Iowa (XGBoost, ~Confirmed), with identified parents George & Florence — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allamakee-County, Iowa |
| Surname | Carter |
| Given Name | Mary Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Waukon City |
| 1935 Residence (County) | Allamakee |
| Additional Details | |
| Occupation | Nursing |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 136 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Nursing |
| Township / Ward | Waukon City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Carter | Daughter | — | 21 | ~1919 |
| Mary Carter | Daughter | — | 23 | ~1917 |
| George Carter | Head | — | 49 | ~1891 |
| John Carter | Son | — | 13 | ~1927 |
| Florence Carter | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Allamakee, Iowa
Daughter, age 3
Allamakee, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Allamakee, Iowa
Daughter, age 13
Allamakee, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allamakee-County, Iowa
Daughter, age 23
Allamakee-County, Iowa · implied b. ~1917 — 5 household members
| Surname | Carter |
| Given Name | Mary Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Waukon City |
| 1935 Residence (County) | Allamakee |
| Occupation | Nursing |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 136 |
| Highest Grade | C 4 |
| 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 Carter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Carter (~0.92 confidence) and mother Florence Carter (~0.92 confidence) and mother Florence Carter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Carter
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Florence Carter
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Florence Carter
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Carter
Daughter · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
John Carter
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Carter
Sibling · 1940 · age 21
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 — Allamakee-County, Iowa
Open full size
1940 US Federal Census — Allamakee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-01035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Burnell Steele | 1 | Son | — | Iowa |
| 42 | Mel Petite Steele | 0 | Son | — | Iowa |
| 43 | Luella Smith | 30 | Maid | Maid | Iowa |
| 44 | Ralph Steele | 23 | Brother | Clerk | Iowa |
| 45 | Miles Connor | 39 | Head | Dealer | Wisconsin |
| 46 | Virginia Connor | 30 | Wife | — | Wisconsin |
| 47 | Robert Connor | 6 | Son | — | Wisconsin |
| 48 | Carol Ann Connor | 4 | Daughter | — | Wisconsin |
| 49 | James Connor | 2 | Son | — | Iowa |
| 50 | Lillian Moen | 15 | Maid | Maid | Iowa |
| 51 | Earl Payton | 23 | Lodger | Bookkeeper | Minnesota |
| 52 | Terrance Dutton | 28 | Lodger | Mechanic | Minnesota |
| 53 | Leo La Forge | 39 | Head | Manager Of Tavern | Michigan |
| 54 | Lucille La Forge | 32 | Wife | — | Wisconsin |
| 55 | Horace A. Horan | 64 | Head | Agent | Iowa |
| 56 | Emy Horan | 63 | Wife | — | Iowa |
| 57 | Melvin Striker | 33 | Head | Ins. Agent | Iowa |
| 58 | Lois Striker | 35 | Wife | Beauty Operator | Iowa |
| 59 | Daniel Lee Striker | 8 | Son | — | Iowa |
| 60 | Lorraine Meisner | 17 | Daughter | — | Iowa |
| 61 | Francis Herkey | 47 | Head | Barber | Iowa |
| 62 | Josephine Herkey | 39 | Wife | — | Iowa |
| 63 | Lester Herkey | 19 | Son | — | Iowa |
| 64 | Arlene Herkey | 12 | Daughter | — | Iowa |
| 65 | Edgar A. Hearth | 62 | Head | Photographer | Iowa |
| 66 | Beatrice Hearth | 27 | Daughter | Sales | Iowa |
| 67 | Louis O'Toole | 50 | Head | — | Iowa |
| 68 | Mary Elizabeth O'Toole | 22 | Daughter | Clerk | Iowa |
| 69 | Esther O'Toole | 17 | Daughter | — | Iowa |
| 70 | Catherine Fitzgerald | 56 | Sister | — | Iowa |
| 71 | George Carter | 49 | Head | Pharmacist | Iowa |
| 72 | Florence Carter | 47 | Wife | — | Iowa |
| 73 | Mary Bell Carter THIS PERSON | 23 | Daughter | Nursing | Iowa |
| 74 | Dorothy Carter | 21 | Daughter | — | Iowa |
| 75 | John Carter | 13 | Son | — | Iowa |
| 76 | Fred Wild | 68 | Head | — | Iowa |
| 77 | Lydia B. Wild | 66 | Wife | Partner In Garage | Iowa |
| 78 | James Meinhardt | 66 | Head | — | Norway |
| 79 | Lillian Meinhardt | 40 | Daughter | — | Iowa |
| 80 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)