MH
Mary Hubbard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Ohio
Our Model Tree links this Mary Hubbard across the 1930 and 1940 US Censuses in Delaware-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Ohio |
| Surname | Hubbard |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Berkshire Twp |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | housewife |
| Industry | farm |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Housewife |
| Township / Ward | Berkshire Twp |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Lawrence Hubbard | Son | — | 3 | ~1937 |
| Ronald Hubbard | Son | — | 1 | ~1939 |
| Mary Hubbard | Daughter | — | 17 | ~1923 |
| Lola Hubbard | Daughter | — | 6 | ~1934 |
| James Hubbard | Head | — | 44 | ~1896 |
| Juanita Hubbard | Daughter | — | 12 | ~1928 |
| Georgia Hubbard | Spouse | — | 46 | ~1894 |
| Dallas Hubbard | Son | — | 8 | ~1932 |
| Ruby Hubbard | Daughter | — | 13 | ~1927 |
| Garnet Hubbard | Daughter | — | 10 | ~1930 |
| Harley Hubbard | Son | — | 15 | ~1925 |
Census Appearances
1930
Delaware, Ohio
Daughter, age 6
Delaware, Ohio · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hubbard |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Tennessee |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Delaware-County, Ohio
Daughter, age 17
Delaware-County, Ohio · implied b. ~1923 — 11 household members
| Surname | Hubbard |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Berkshire Twp |
| 1935 Residence (County) | Delaware |
| Occupation | housewife |
| Industry | farm |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | same place |
| 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 Hubbard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hubbard
Daughter · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Dallas Hubbard
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Hubbard
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Hubbard
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Hubbard
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harley Hubbard
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Hubbard
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Hubbard
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garnet Hubbard
Sibling · 1940 · age 10
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 — Delaware-County, Ohio
Open full size
1940 US Federal Census — Delaware-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03062-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Hall | 56 | Head | Farm Manager | Ohio |
| 2 | John Hupp | 68 | Head | Farmer | Ohio |
| 3 | Mary Hupp | 40 | daughter | Housework | Ohio |
| 4 | Walter Rogers | 23 | Head | Farmer | Ohio |
| 5 | Naomi Rogers | 19 | wife | Housewife | Ohio |
| 6 | Milton Gregg | 27 | Head | Farmer | Ohio |
| 7 | Virginia Gregg | 20 | wife | Housewife | Ohio |
| 8 | Theodore Gregg | 2 | son | — | Ohio |
| 9 | William Longshore | 44 | Head | Laborer | Ohio |
| 10 | Inaz Longshore | 46 | wife | Housewife | Ohio |
| 11 | Ruth Longshore | 15 | daughter | — | Ohio |
| 12 | Leona Longshore | 11 | daughter | — | Ohio |
| 13 | James Hubbard | 44 | Head | Laborer | Ohio |
| 14 | Georgia Hubbard | 46 | wife | Housewife | Ohio |
| 15 | Mary Hubbard THIS PERSON | 17 | daughter | Housewife | Ohio |
| 16 | Harley Hubbard | 15 | son | — | Ohio |
| 17 | Ruby Hubbard | 13 | daughter | — | Ohio |
| 18 | Juanita Hubbard | 12 | daughter | — | Ohio |
| 19 | Garnet Hubbard | 10 | daughter | — | Ohio |
| 20 | Dallas Hubbard | 8 | son | — | Ohio |
| 21 | Lola Hubbard | 6 | daughter | — | Ohio |
| 22 | Lawrence Hubbard | 3 | son | — | Ohio |
| 23 | Ronald Hubbard | 1 | son | — | Ohio |
| 24 | Julius Fohl | 30 | Head | Farmer | Ohio |
| 25 | Idella Fohl | 25 | wife | Housewife | Ohio |
| 26 | Betty Fohl | 8 | daughter | — | Ohio |
| 27 | Mary Fohl | 6 | daughter | — | Ohio |
| 28 | William Fohl | 5 | son | — | Ohio |
| 29 | Charles Fohl | 4 | son | — | Ohio |
| 30 | Bertha Gregory | 70 | Head | — | Ohio |
| 31 | Richard Franklin | 46 | Head | Farmer | Ohio |
| 32 | Hazel Franklin | 18 | daughter | Housework | Ohio |
| 33 | Mabel Smith | 33 | daughter | Housework | Ohio |
| 34 | Harold Smith | 30 | son-in-law | Farmer | Ohio |
| 35 | Houston Smith | 0 | son | — | Ohio |
| 36 | Ralph Lahmon | 54 | Head | Farmer | Ohio |
| 37 | May Lahmon | 54 | Wife | Housewife | Ohio |
| 38 | Harris Lahmon | 19 | son | Farmer | Ohio |
| 39 | Roy Fuller | 42 | Head | Farmer | Ohio |
| 40 | Lucy Fuller | 40 | Wife | Farmer | 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)