WK
William Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Virginia
Our Model Tree links this William Kirk across the 1920, 1930 and 1940 US Censuses in Frederick-County, Virginia (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Virginia |
| Surname | Kirk |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Gainsboro District |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 266 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Gainsboro District |
| Est. Birth Year | ~1880 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Kirk | Head | — | 60 | ~1880 |
| Fred Kirk | Son | — | 16 | ~1924 |
| Mettie Kirk | Spouse | — | 54 | ~1886 |
| Ernie Kirk | Son | — | 21 | ~1919 |
Census Appearances
1920
Frederick, Virginia
Head, age 40
Frederick, Virginia · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Frederick, Virginia
Head, age 50
Frederick, Virginia · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | On Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $5 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Frederick-County, Virginia
Head, age 60
Frederick-County, Virginia · implied b. ~1880 — 4 household members
| Surname | Kirk |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Gainsboro District |
| 1935 Residence (County) | Frederick |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 266 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Kirk across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Kirk
Head · 1940 · age 60 · b. ~1880 · Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Virginia
Open full size
1940 US Federal Census — Frederick-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04264-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hutch S. Hatcher | 56 | Head | Farmer | Virginia |
| 42 | Bessie S. Hatcher | 47 | Wife | — | Virginia |
| 43 | Alexander Hatcher | 25 | Son | Laborer | Virginia |
| 44 | Harold Hatcher | 15 | Son | — | Virginia |
| 45 | Charles Hatcher | 4 | Son | — | Virginia |
| 46 | Samuel Brown | 26 | Son | Farmer | Virginia |
| 47 | Frank Brown | 25 | Son | Farmer | Virginia |
| 48 | Dorsey Rubble | 36 | Boarder | Laborer | Virginia |
| 49 | Edward S. Brown | 66 | Head | Farmer | Virginia |
| 50 | Minnie E. Brown | 61 | Wife | — | Virginia |
| 51 | Russell Brown | 30 | Son | Laborer | Virginia |
| 52 | Charles E. Emery | 69 | Head | Farmer | Virginia |
| 53 | Bertha Emery | 62 | Wife | — | Virginia |
| 54 | Ethel M. Braunlich | 34 | Daughter | — | West Virginia |
| 55 | William O. Kirk THIS PERSON | 60 | Head | Laborer | Virginia |
| 56 | Mettie Kirk | 54 | Wife | — | Virginia |
| 57 | Ernie Kirk | 21 | Son | Wye Hand | Virginia |
| 58 | Fred Kirk | 16 | Son | Laborer | Virginia |
| 59 | Clifton R. Price | 46 | Head | Farmer | Virginia |
| 60 | Bessie Price | 46 | Wife | — | Virginia |
| 61 | Ethel V. Price | 3 | Daughter | — | Virginia |
| 62 | Marjorie Kirk | 18 | Niece | — | Virginia |
| 63 | Isaac Strowbridge | 79 | Uncle | — | Virginia |
| 64 | Winston Hutton | 38 | Hired Man | Laborer | Virginia |
| 65 | Harry Merch | 54 | Hired Man | Groomer | West Virginia |
| 66 | Silas C. Adams | 74 | Head | — | Virginia |
| 67 | Ida May Adams | 74 | Wife | — | Virginia |
| 68 | Clarence Adams | 47 | Son | Laborer | Virginia |
| 69 | M. Clinton Adams | 46 | Son | Laborer | Virginia |
| 70 | Benson W. Ringer | 69 | Head | Farmer | Virginia |
| 71 | Virginia Ringer | 59 | Wife | — | Virginia |
| 72 | M. Lou Irvin | 32 | Son | Painter | Virginia |
| 73 | Lois M. Irvin | 20 | Daughter | — | Virginia |
| 74 | June Irvin | 17 | Daughter | — | Virginia |
| 75 | Leonard Himan | 23 | Head | Laborer | Virginia |
| 76 | Ida Himan | 20 | Wife | — | Ohio |
| 77 | Paul Sather | 44 | Head | Housekeeper | Virginia |
| 78 | Ida Sather | 32 | Wife | — | Virginia |
| 79 | William C. Davis | 54 | Head | Automobile Mechanic | Virginia |
| 80 | Davis | None | Wife | — | — |
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)