MA
Mary Ames — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Mary Ames across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Ames |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Parma |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Twinsburg |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Ames | Daughter | — | 11 | ~1929 |
| Richard Ames | Son | — | 14 | ~1926 |
| Russell Ames | Head | — | 42 | ~1898 |
| Betty Ames | Daughter | — | 7 | ~1933 |
| Altabelle Ames | Daughter | — | 13 | ~1927 |
| Katherine Ames | Daughter | — | 17 | ~1923 |
| Edith Ames | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Summit, Ohio
Daughter, age
Summit, Ohio · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Daughter, age 11
Summit-County, Ohio · implied b. ~1929 — 7 household members
| Surname | Ames |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Parma |
| 1935 Residence (County) | Cuyahoga |
| Highest Grade | No 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
Katherine Ames
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Altabelle Ames
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Ames
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Ames
Sibling · 1940 · age 14
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 — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03154-00908)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Herrick | 57 | Head | — | Indiana |
| 42 | Margaret Kirkcaldy | 30 | Daughter | — | Indiana |
| 43 | Bruce Kirkcaldy | 2 | Grandson | — | Ohio |
| 44 | Dorothy Kirkcaldy | 6 | Granddau | — | Ohio |
| 45 | Charles Dubois | 34 | Head | Forman | Ohio |
| 46 | Eleanor Dubois | 24 | Wife | — | Ohio |
| 47 | Charles Dubois | 3 | Son | — | Ohio |
| 48 | Dale F Dubois | 2 | Son | — | Ohio |
| 49 | Robert Dubois | 1 | Son | — | Ohio |
| 50 | Adelbert Wall | 45 | Head | Inspector | Delaware |
| 51 | Florence Wall | 41 | Wife | — | Ohio |
| 52 | Jean Blanche Wall | 21 | Daughter | Secretary | Ohio |
| 53 | John Wall | 14 | Son | — | Ohio |
| 54 | Charles Wall | 12 | Son | — | Ohio |
| 55 | Russell Ames | 42 | Head | Mechanic | Pennsylvania |
| 56 | Edith Ames | 41 | Wife | — | Ohio |
| 57 | Katherine Ames | 17 | Daughter | — | Ohio |
| 58 | Richard Ames | 14 | Son | — | Ohio |
| 59 | Altabelle Ames | 13 | Daughter | — | Ohio |
| 60 | Mary Lou Ames THIS PERSON | 11 | Daughter | — | Ohio |
| 61 | Betty Lou Ames | 7 | Daughter | — | Ohio |
| 62 | John E Baldwin | 68 | Head | — | Ohio |
| 63 | Lucy Baldwin | 66 | Wife | — | Ohio |
| 64 | Eva Baldwin | 57 | Head | Telephone Operator | Ohio |
| 65 | Ford Baldwin | 29 | Son | — | Ohio |
| 66 | Frank D Meunder | 59 | Head | Clerk | Ohio |
| 67 | Bessie W Meunder | 52 | Wife | Clerk | Ohio |
| 68 | Cecil S. Norris | 36 | Head | General Contractor | Ohio |
| 69 | Viola Norris | 36 | Wife | — | Ohio |
| 70 | Clell Norris | 18 | Son | — | Ohio |
| 71 | June Norris | 16 | Daughter | — | Ohio |
| 72 | Leah Norris | 6 | Daughter | — | Ohio |
| 73 | Leon E. Tryon | 31 | Head | Coal Hauler | Ohio |
| 74 | Cora Tryon | 25 | Wife | — | Ohio |
| 75 | Leon Jr Tryon | 7 | Son | — | Ohio |
| 76 | Elaine Tryon | 4 | Daughter | — | Ohio |
| 77 | Frederick Tryon | 0 | Son | — | Ohio |
| 78 | James Paul Waller | 44 | Lodger | Laborer | Missouri |
| 79 | George Myers | 65 | Lodger | Salesman | Ohio |
| 80 | Alexander Cruickshank | 49 | Head | Carpenter Foreman | Canada English |
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)