MH
Mary Haines — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfield-County, Ohio
Our Model Tree links this Mary Haines across the 1930 and 1940 US Censuses in Fairfield-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 4-person household.
Age 11
b. ~1929
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, Ohio |
| Surname | Haines |
| Given Name | Mary Lois |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Fairfield |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Berne |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joann Haines | Daughter | — | 8 | ~1932 |
| Mary Haines | Daughter | — | 11 | ~1929 |
| Thelma Haines | Spouse | — | 30 | ~1910 |
| Virgil Haines | Head | — | 31 | ~1909 |
Census Appearances
1930
Franklin, Ohio
Daughter, age 1
Franklin, Ohio · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haines |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Fairfield-County, Ohio
Daughter, age 11
Fairfield-County, Ohio · implied b. ~1929 — 4 household members
| Surname | Haines |
| Given Name | Mary Lois |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Fairfield |
| Highest Grade | 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 Haines across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haines
Daughter · 1940 · age 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
Joann Haines
Sibling · 1940 · age 8
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 — Fairfield-County, Ohio
Open full size
1940 US Federal Census — Fairfield-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03065-00103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Brucker | 12 | daughter | — | Ohio |
| 42 | Donald (At) Brucker | 8 | son | — | Ohio |
| 43 | Junior Brucker | 2 | son | — | Ohio |
| 44 | Frank G Fisher | 58 | head | Laborer | Ohio |
| 45 | Virgil Haines | 31 | head | Glass Worker | Ohio |
| 46 | Thelma D Haines | 30 | wife | None | Ohio |
| 47 | Mary Lois Haines THIS PERSON | 11 | daughter | — | Ohio |
| 48 | Joann Haines | 8 | daughter | — | Ohio |
| 49 | Beaman B Febleser | 45 | head | Farmer | Ohio |
| 50 | Nada Febleser | 48 | wife | None | Ohio |
| 51 | Clyde Febleser | 21 | son | Waiter | Ohio |
| 52 | Edna (At) Febleser | 19 | daughter | None | Ohio |
| 53 | Charles B Federer | 70 | head | Farmer | Ohio |
| 54 | Mollie Federer | 71 | wife | None | Ohio |
| 55 | Merrill D Federer | 31 | head | Farmer | Ohio |
| 56 | Agnes Federer | 25 | wife | None | Ohio |
| 57 | Marvin Federer | 3 | son | — | Ohio |
| 58 | Earl Riley | 53 | father in law | General Repair | Ohio |
| 59 | Della Riley | 50 | mother in law | None | Ohio |
| 60 | Wm Henry B Lutz | 73 | head | Machinist | Ohio |
| 61 | Carrie A Starnes | 52 | head | None | Ohio |
| 62 | Richard Starnes | 24 | son | Painter | Ohio |
| 63 | Florence (At) Starnes | 18 | daughter | None | Ohio |
| 64 | G W Iles | 56 | head | Glass Blower | Ohio |
| 65 | Theodore Walters | 47 | head | Street Project | Ohio |
| 66 | Wreatha D Walters | 42 | wife | None | Ohio |
| 67 | Thomas Walters | 20 | son | — | Ohio |
| 68 | Ray Walters | 17 | son | — | Ohio |
| 69 | Merle Ruff | 36 | head | Assistant Manager | Ohio |
| 70 | Ruth D Ruff | 32 | wife | None | Ohio |
| 71 | John Ruff | 7 | son | — | Ohio |
| 72 | Janet Ruff | 4 | daughter | — | Ohio |
| 73 | Richard Ruff | 1 | son | — | Ohio |
| 74 | Rodger Ruff | 1 | son | — | Ohio |
| 75 | Harry Sharp | 46 | head | Janitor | Ohio |
| 76 | Ruth B Sharp | 35 | wife | None | Ohio |
| 77 | James Sharp | 11 | son | — | Ohio |
| 78 | Richard Sharp | 10 | son | — | Ohio |
| 79 | Lois Ann Sharp | 7 | daughter | — | Ohio |
| 80 | Ends Family Enumeration. Sharp | None | — | — | — |
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)