WM
William Mcfarland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Defiance-County, Ohio
Our Model Tree links this William Mcfarland across the 1930 and 1940 US Censuses in Defiance-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Defiance-County, Ohio |
| Surname | McFarland |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Defiance City |
| 1935 Residence (County) | Defiance |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Defiance City |
| Est. Birth Year | ~1921 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| David Mcfarland | Son | — | 11 | ~1929 |
| Elizabeth Mcfarland | Other | — | 76 | ~1864 |
| Gertrude Mcfarland | Spouse | — | 46 | ~1894 |
| R Mcfarland | Head | — | 47 | ~1893 |
| William Mcfarland | Son | — | 19 | ~1921 |
| R Mcfarland | Son | — | 12 | ~1928 |
| Carol Mcfarland | Son | — | 8 | ~1932 |
Census Appearances
1930
Defiance, Ohio
Other, age 9
Defiance, Ohio · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McFarland |
| Given Name | William Jr. |
| Relationship to Head | Gr-Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Defiance-County, Ohio
Son, age 19
Defiance-County, Ohio · implied b. ~1921 — 7 household members
| Surname | McFarland |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Defiance City |
| 1935 Residence (County) | Defiance |
| Highest Grade | Hs 3 |
| 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 William Mcfarland across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcfarland
Son · 1940 · age 19 · b. ~1921 · Ohio
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Sibling
R Mcfarland
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mcfarland
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Mcfarland
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 — Defiance-County, Ohio
Open full size
1940 US Federal Census — Defiance-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03061-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vacant | None | — | — | — |
| 2 | Richard L. Heidenkamey | 48 | Head | Machinist | Ohio |
| 3 | Irene O. Heidenkamey | 42 | Wife | Housewife | Ohio |
| 4 | John R. Heidenkamey | 24 | Son | Timekeeper | Ohio |
| 5 | Doris J. Heidenkamey | 15 | Daughter | — | Ohio |
| 6 | Jean R. Heidenkamey | 12 | Daughter | — | Ohio |
| 7 | Gretchen R. Heidenkamey | 11 | Daughter | — | Ohio |
| 8 | Bertha F. Payne | 58 | Head | Housewife | Ohio |
| 9 | Floyd B. Payne | 22 | Son | Toolroom | Ohio |
| 10 | Virginia M. Payne | 21 | Daughter | Payroll | Ohio |
| 11 | Howard J. Miller | 36 | Head | Electrician | Ohio |
| 12 | Katherine C. Miller | 27 | Wife | Housewife | Ohio |
| 13 | Frank A. Thimbert | 83 | Head | Salesman | Ohio |
| 14 | Virginia Thimbert | 70 | Wife | Housewife | Ohio |
| 15 | Frank H. Slump | 64 | Head | Retired | Ohio |
| 16 | Bonnie M. Slump | 54 | Wife | Housewife | Ohio |
| 17 | Elizabeth F. Slump | 19 | Daughter | Housework | Ohio |
| 18 | Geraldine M. Slump | 15 | Daughter | — | Ohio |
| 19 | Richard E. Slump | 13 | Son | — | Ohio |
| 20 | R. A. Mcfarland | 47 | Head | Laborer | Ohio |
| 21 | Gertrude E. Mcfarland | 46 | Wife | Clerk | Ohio |
| 22 | William J. Mcfarland THIS PERSON | 19 | Son | — | Ohio |
| 23 | R. J. Mcfarland | 12 | Son | — | Ohio |
| 24 | David C. Mcfarland | 11 | Son | — | Ohio |
| 25 | Carol B. Mcfarland | 8 | Son | — | Ohio |
| 26 | Elizabeth A. Mcfarland | 76 | Mother | Housewife | Ohio |
| 27 | Charles E. Marcellus | 79 | Head | Retired | Ohio |
| 28 | Jennie C. Marcellus | 76 | Wife | Housewife | Indiana |
| 29 | Loretta C. Winick | 47 | Head | Laborer | Ohio |
| 30 | Raymond P. Winick | 17 | Son | — | Ohio |
| 31 | Clara M. Winick | 10 | Daughter | — | Ohio |
| 32 | Daniel P. Leithamer | 76 | Father | Mechanic | Germany |
| 33 | Fred E. Simmons | 34 | Head | Mechanic | Minnesota |
| 34 | Helen L. Simmons | 29 | Wife | Housewife | Ohio |
| 35 | Fred E. Jr. Simmons | 8 | Son | — | Ohio |
| 36 | Loretta L. Simmons | 7 | Daughter | — | Ohio |
| 37 | James B. Simmons | 5 | Son | — | Ohio |
| 38 | Daniel R. Simmons | 1 | Son | — | Ohio |
| 39 | James V. Kindler | 26 | Head | Salesman | Ohio |
| 40 | Mary K. Kindler | 27 | Wife | Housewife | 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)