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Mary Ames — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Mary Ames across the 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Ames |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | So. Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Olive Twp |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Shirley Ames | Daughter | — | 5 | ~1935 |
| Betty Ames | Daughter | — | 15 | ~1925 |
| Mary Ames | Daughter | — | 13 | ~1927 |
| Alva Ames | Son | — | 21 | ~1919 |
| Charles Ames | Head | — | 44 | ~1896 |
| Maude Ames | Spouse | — | 43 | ~1897 |
Census Appearances
1930
St Joseph, …
Daughter, age 1
St Joseph, Indiana · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Amos |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Daughter, age 13
St.-Joseph-County, Indiana · implied b. ~1927 — 6 household members
| Surname | Ames |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | So. Bend |
| 1935 Residence (County) | St. Joseph |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Ames across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ames
Daughter · 1940 · age 13 · b. ~1927 · Indiana
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Sibling
Betty Ames
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Ames
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alva Ames
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 — St.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01092-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joel W. Whittenburg | 5 | son | — | Indiana |
| 42 | Herbert Whittenburg | 1 | son | — | Indiana |
| 43 | Robert L. Adams | 49 | head | Assembly Line | Indiana |
| 44 | Bessie Adams | 46 | wife | — | Indiana |
| 45 | John Sherman | 21 | son | New Worker | Indiana |
| 46 | Gilbert F. Sherman | 17 | son | — | Indiana |
| 47 | Martin E. Sherman | 7 | son | — | Indiana |
| 48 | Forrest J. Blosser | 41 | head | Farmer | Indiana |
| 49 | Goldie M. Blosser | 26 | wife | — | Indiana |
| 50 | La Mar Blosser | 22 | son | Laborer | Indiana |
| 51 | Forest J. Blosser | 18 | son | Laborer | Indiana |
| 52 | Jean Blosser | 13 | daughter | — | Indiana |
| 53 | Betty Lou Hinkson | 9 | daughter | — | Indiana |
| 54 | Norma J. Hinkson | 4 | daughter | — | Indiana |
| 55 | Harry Nelson | 41 | head | Carpenter | Indiana |
| 56 | Ethel Nelson | 42 | wife | — | Indiana |
| 57 | Charles Nelson | 18 | son | None | Indiana |
| 58 | Richard Nelson | 13 | son | — | Indiana |
| 59 | Charles W. Ames | 44 | head | Machinist | Indiana |
| 60 | Maude P. Ames | 43 | wife | — | Indiana |
| 61 | Alva Ames | 21 | son | Maintenance Man | Indiana |
| 62 | Betty J. Ames | 15 | daughter | — | Indiana |
| 63 | Mary M. Ames THIS PERSON | 13 | daughter | — | Indiana |
| 64 | Shirley A. Ames | 5 | daughter | — | Indiana |
| 65 | Stephen Wroblewski | 26 | head | Stock Room Worker | Indiana |
| 66 | Helen Wroblewski | 24 | wife | — | Indiana |
| 67 | Joseph W. Miller | 48 | head | Operator Saw Mill | Indiana |
| 68 | Lessie Miller | 46 | wife | — | Tennessee |
| 69 | Charles Miller | 17 | son | — | Indiana |
| 70 | James W. Miller | 16 | son | — | Indiana |
| 71 | Iris Virginia Miller | 15 | daughter | — | Indiana |
| 72 | Roy Oliver Miller | 12 | son | — | Indiana |
| 73 | Patsy Jane Miller | 5 | daughter | — | Indiana |
| 74 | John Allen Miller | 4 | son | — | Indiana |
| 75 | Dan Short | 59 | boarder | Laborer | Indiana |
| 76 | Enoch Stopczynski | 44 | head | Farmer | Indiana |
| 77 | Lottie Stopczynski | 42 | wife | — | Indiana |
| 78 | Bert Stopczynski | 17 | son | Laborer | Indiana |
| 79 | Joseph Stopczynski | 16 | son | Laborer | Indiana |
| 80 | Irene Stopczynski | 15 | daughter | — | Indiana |
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)