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Martha Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Martha Long across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Long |
| Given Name | Martha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Elmwood Place |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Elmwood Place |
| Est. Birth Year | ~1909 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Doris Long | Daughter | — | 10 | ~1930 |
| Charles Long | Head | — | 37 | ~1903 |
| James Long | Son | — | 7 | ~1933 |
| Martha Long | Spouse | — | 31 | ~1909 |
| Charles Long | Son | — | 15 | ~1925 |
| Cecile Long | Son | — | 13 | ~1927 |
Census Appearances
1930
Hamilton, Ohio
Spouse, age 21
Hamilton, Ohio · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 14 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hamilton-County, Ohio
Spouse, age 31
Hamilton-County, Ohio · implied b. ~1909 — 6 household members
| Surname | Long |
| Given Name | Martha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Elmwood Place |
| 1935 Residence (County) | Hamilton |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Martha Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Long
Spouse · 1940 · age 31 · b. ~1909 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03078-00181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Eugene Debord | 2 | son | — | Ohio |
| 42 | John Broughton | 27 | head | Caster | Kentucky |
| 43 | Christine Broughton | 25 | wife | — | Kentucky |
| 44 | Barbara Broughton | 2 | daughter | — | Ohio |
| 45 | Daniel L. Renner | 36 | head | Laborer | Kentucky |
| 46 | Dolly Renner | 31 | wife | — | Kentucky |
| 47 | David Ray Renner | 3 | son | — | Ohio |
| 48 | Theresa Miller | 56 | head | — | Ohio |
| 49 | May Miller | 51 | sister | — | Ohio |
| 50 | Charles H. Long | 37 | head | Crop Mill | Kentucky |
| 51 | Martha Long THIS PERSON | 31 | wife | — | Kentucky |
| 52 | Charles R. Long | 15 | son | — | Kentucky |
| 53 | Cecile S. Long | 13 | son | — | Kentucky |
| 54 | Doris Mae Long | 10 | daughter | — | Ohio |
| 55 | James D. Long | 7 | son | — | Ohio |
| 56 | Anthony Knueven | 64 | head | Paper Carrier | Ohio |
| 57 | Mary Knueven | 53 | wife | — | Ohio |
| 58 | Dorothy Knueven | 33 | daughter | Book Keeper | Ohio |
| 59 | Alberta Knueven | 36 | daughter | Office Assistant Manager | Ohio |
| 60 | Walter Knueven | 35 | son | Pattern Maker | Ohio |
| 61 | Laverne Knueven | 23 | daughter | Nurse | Ohio |
| 62 | James Knueven | 8 | son | — | Ohio |
| 63 | Ambrose Pritchett | 31 | head | Assistant Machinist | Kentucky |
| 64 | Moselle Pritchett | 24 | wife | — | Kentucky |
| 65 | Norma Jean Pritchett | 7 | daughter | — | Kentucky |
| 66 | Paula Rose Pritchett | 5 | daughter | — | Ohio |
| 67 | Nettie Lank | 67 | head | — | Ohio |
| 68 | Harry Keith | 51 | head | Laborer | Kentucky |
| 69 | Mary Keith | 38 | wife | — | Kentucky |
| 70 | Norman Louis Keith | 8 | son | — | Ohio |
| 71 | Thomas Lewis | 35 | head | Paper Maker | Kentucky |
| 72 | Rose Lewis | 35 | wife | Board Layer | Kentucky |
| 73 | Joseph F. Thiel | 69 | head | — | Pennsylvania |
| 74 | Anna Thiel | 60 | wife | — | Missouri |
| 75 | Harper Gertrude Thiel | 34 | daughter | — | Missouri |
| 76 | Marcella Thiel | 9 | daughter | — | Ohio |
| 77 | William Ulmer | 80 | head | — | Ohio |
| 78 | Dorothea Ulmer | 80 | wife | — | Ohio |
| 79 | Mellia Ulmer | 41 | daughter | — | Ohio |
| 80 | Dorothea Ulmer | 35 | daughter | Comptometer Operator | Ohio |
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)