MB
Mary Baird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Medina-County, Ohio
Our Model Tree links this Mary Baird across the 1930 and 1940 US Censuses in Medina-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 5-person household.
Age 10
b. ~1930
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Medina-County, Ohio |
| Surname | Baird |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Chippewa Lake Village |
| 1935 Residence (County) | Medina |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Chippewa Lake Village |
| Est. Birth Year | ~1930 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lottie Baird | Spouse | — | 54 | ~1886 |
| Mary Baird | Daughter | — | 10 | ~1930 |
| Robert Baird | Son | — | 21 | ~1919 |
| Roy Baird | Head | — | 58 | ~1882 |
| Jack Baird | Son | — | 12 | ~1928 |
Census Appearances
1930
Medina, Ohio
Daughter, age 1
Medina, Ohio · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | Mary Anne |
| 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
Medina-County, Ohio
Daughter, age 10
Medina-County, Ohio · implied b. ~1930 — 5 household members
| Surname | Baird |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Chippewa Lake Village |
| 1935 Residence (County) | Medina |
| Highest Grade | 5 |
| 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 Baird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Baird
Daughter · 1940 · age 10 · b. ~1930 · Ohio
★ You are viewing this record
Sibling
Robert Baird
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Baird
Sibling · 1940 · age 12
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 — Medina-County, Ohio
Open full size
1940 US Federal Census — Medina-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03112-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clair H Carlton | 60 | Head | Contractor | Ohio |
| 42 | Rhoda K Carlton | 63 | Wife | — | Ohio |
| 43 | Forest A Baird | 32 | Head | Proprietor | Ohio |
| 44 | Irene C Baird | 30 | Wife | — | Ohio |
| 45 | Terry C Baird | 2 | Son | — | Ohio |
| 46 | Forest Jr Baird | 0 | Son | — | Ohio |
| 47 | Christine Ferguson | 52 | Head | — | Ohio |
| 48 | Jane Lou Ferguson | 15 | Daughter | — | Nebraska |
| 49 | Ralph R Vatcher | 52 | Head | Barber | Oklahoma |
| 50 | Margaret E Vatcher | 52 | Wife | — | West Virginia |
| 51 | Ralph L Vatcher | 7 | Son | — | Ohio |
| 52 | T Sherman Barrett | 75 | Head | — | Ohio |
| 53 | Fannie Shing | 66 | Head | — | Ohio |
| 54 | Katherine Butler | 56 | Head | Bookkeeper | Ohio |
| 55 | William E Lentz | 39 | Head | Painter And Paper Hanger | Ohio |
| 56 | Icel A Lentz | 32 | Wife | — | Ohio |
| 57 | Ruth J Lentz | 14 | Daughter | — | Ohio |
| 58 | Kenneth H Lentz | 9 | Son | — | Michigan |
| 59 | Agnes M Lentz | 7 | Daughter | — | Michigan |
| 60 | John E Lentz | 3 | Son | — | Michigan |
| 61 | Gerald G Lentz | 1 | Son | — | Ohio |
| 62 | John S Marchington | 64 | Father-in-law | Oil Driller | Ohio |
| 63 | Lottie F Marchington | 56 | Mother-in-law | Cook | Ohio |
| 64 | Roy S Baird | 58 | Head | Proprietor | Ohio |
| 65 | Lottie Baird | 54 | Wife | — | Ohio |
| 66 | Robert B Baird | 21 | Son | Truck Driver | Ohio |
| 67 | Jack D Baird | 12 | Son | — | Ohio |
| 68 | Mary Ann Baird THIS PERSON | 10 | Daughter | — | Ohio |
| 69 | Forest Carlton | 33 | Head | Laborer | Ohio |
| 70 | Alda Carlton | 31 | Wife | — | Pennsylvania |
| 71 | Glen Carlton | 7 | Son | — | Ohio |
| 72 | Audene Carlton | 6 | Daughter | — | Ohio |
| 73 | Nancy Carlton | 5 | Daughter | — | Ohio |
| 74 | Joan Carlton | 3 | Daughter | — | Ohio |
| 75 | Steven H Fackerman | 84 | Head | — | Ohio |
| 76 | Perry E Easten | 54 | Head | Farming | Ohio |
| 77 | Irit Easten | 48 | Wife | — | Ohio |
| 78 | Laurene Easten | 17 | Daughter | — | Ohio |
| 79 | Marcella Easten | 15 | Daughter | — | Ohio |
| 80 | Ethel Easten | 13 | Daughter | — | 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)