WM
William Mckinney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, Pennsylvania
Our Model Tree links this William Mckinney across the 1920, 1930 and 1940 US Censuses in Erie-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 4-person household.
Age 69
b. ~1871
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, Pennsylvania |
| Surname | McKinney |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Summit Twp |
| Est. Birth Year | ~1871 |
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 |
|---|---|---|---|---|
| Wilmer Mckinney | Son | — | 29 | ~1911 |
| William Mckinney | Head | — | 69 | ~1871 |
| Emma Mckinney | Spouse | — | 58 | ~1882 |
| Charles Mckinney | Son | — | 31 | ~1909 |
Census Appearances
1920
Erie, Pennsylvania
Head, age 48
Erie, Pennsylvania · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKinney |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Grinder |
| Industry | Elec. shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Erie, Pennsylvania
Head, age 57
Erie, Pennsylvania · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKinney |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | grid grinder |
| Industry | Electric Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, Pennsylvania
Head, age 69
Erie-County, Pennsylvania · implied b. ~1871 — 4 household members
| Surname | McKinney |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie |
| 1935 Residence (County) | Erie |
| Highest Grade | No 6 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mckinney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Mckinney
Head · 1940 · age 69 · b. ~1871 · Pennsylvania
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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 — Erie-County, Pennsylvania
Open full size
1940 US Federal Census — Erie-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03501-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Trojan | 24 | Son | Coremaker | Pennsylvania |
| 42 | Virginia Trojan | 21 | Daughter | Salesgirl | Pennsylvania |
| 43 | Loretta Trojan | 19 | Daughter | — | Pennsylvania |
| 44 | Gertrude Trojan | 19 | Daughter | — | Pennsylvania |
| 45 | Howard Webster | 44 | Head | Insurance Agent | Pennsylvania |
| 46 | Marion B. Webster | 37 | Wife | — | Pennsylvania |
| 47 | Dean Webster | 17 | Son | Landscape Gardener | Pennsylvania |
| 48 | Richard Webster | 3 | Son | — | Pennsylvania |
| 49 | Ralph Lininger | 37 | Head | Landscaper | Pennsylvania |
| 50 | Dorothy Lininger | 35 | Wife | — | Pennsylvania |
| 51 | Carol Anne Lininger | 5 | Daughter | — | Pennsylvania |
| 52 | Clinton Kuhns | 65 | Head | Farm Manager | Pennsylvania |
| 53 | Alma B. Kuhns | 46 | Wife | — | Pennsylvania |
| 54 | Esther Kuhns | 15 | Daughter | — | New York |
| 55 | Albert Kuhns | 9 | Son | — | Pennsylvania |
| 56 | Elof Quick | 84 | Father in law | — | Sweden |
| 57 | Raymond Wheeler | 58 | Head | Secretary | Pennsylvania |
| 58 | Macie B. Wheeler | 58 | Wife | — | Pennsylvania |
| 59 | Elliot Root | 43 | Head | Farmer Own | Pennsylvania |
| 60 | Dorothy B. Root | 38 | Wife | — | Pennsylvania |
| 61 | William Mckinney THIS PERSON | 69 | Head | — | Pennsylvania |
| 62 | Emma B. Mckinney | 58 | Wife | — | Pennsylvania |
| 63 | Charles Mckinney | 31 | Son | Clothes Presser | Pennsylvania |
| 64 | Wilmer Mckinney | 29 | Son | Barber | Pennsylvania |
| 65 | Marcus Nicol | 41 | Head | Carpenter | Pennsylvania |
| 66 | Clara Nicol | 35 | Wife | — | Pennsylvania |
| 67 | Helen Nicol | 16 | Daughter | — | Pennsylvania |
| 68 | Marie Nicol | 14 | Daughter | — | Pennsylvania |
| 69 | Kenneth Nicol | 7 | Son | — | Pennsylvania |
| 70 | Florence Nicol | 4 | Daughter | — | Pennsylvania |
| 71 | William Nicol | 78 | Father | — | Canada English |
| 72 | Charles Jensen | 65 | Hired man | Farm Hand | Pennsylvania |
| 73 | Albeck Jensen | 30 | Head | Machinist | Pennsylvania |
| 74 | Lillian B. Jensen | 32 | Wife | — | Pennsylvania |
| 75 | Richard Jensen | 3 | Son | — | Pennsylvania |
| 76 | Wilbur Jeffords | 36 | Head | — | Pennsylvania |
| 77 | Sarah B. Jeffords | 36 | Wife | — | Pennsylvania |
| 78 | Richard Jeffords | 2 | Son | — | Pennsylvania |
| 79 | Charles Harvey | 41 | Head | Auto Salesman | New York |
| 80 | Charles Harvey | 12 | Wife | — | Pennsylvania |
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)