WM
William Mckee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this William Mckee across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | McKee |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 23 Wilson |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | New worker |
| Hours Worked | 4 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | New Worker |
| Township / Ward | Election District 23 Wilson |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edward Mckee | Son | — | 13 | ~1927 |
| Thomas Mckee | Son | — | 15 | ~1925 |
| Grace Mckee | Daughter | — | 16 | ~1924 |
| Rosy Mckee | Spouse | — | 41 | ~1899 |
| Herman Mckee | Son | — | 21 | ~1919 |
| William Mckee | Son | — | 18 | ~1922 |
| Lewis Mckee | Son | — | 11 | ~1929 |
| David Mckee | Son | — | 20 | ~1920 |
| David Mckee | Head | — | 44 | ~1896 |
Census Appearances
1930
Washington, Maryland
Son, age 8
Washington, Maryland · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKee |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Son, age 18
Washington-County, Maryland · implied b. ~1922 — 9 household members
| Surname | McKee |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 23 Wilson |
| 1935 Residence (County) | Washington |
| Occupation | New worker |
| Hours Worked | 4 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Mckee across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mckee
Son · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Grace Mckee
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mckee
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Mckee
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Mckee
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mckee
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mckee
Sibling · 1940 · age 15
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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01562-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ridout Richard | 2 | Head | — | Maryland |
| 2 | L. V. Foster | 41 | Head | Carpenter | Pennsylvania |
| 3 | Alice Foster | 44 | Wife | — | Pennsylvania |
| 4 | Glenn Foster | 19 | Son | Carpenter | Maryland |
| 5 | Raymond Eby | 22 | Head | Tenant | Maryland |
| 6 | Lula Eby | 20 | Wife | — | Maryland |
| 7 | Paul D. Kretzer | 43 | Head | Farmer | Pennsylvania |
| 8 | Lovey K. Kretzer | 43 | Wife | — | Maryland |
| 9 | Marshall C. Kretzer | 21 | Son | Farmer | Maryland |
| 10 | Fred P. Kretzer | 17 | Son | — | Maryland |
| 11 | Thelma Kretzer | 14 | Daughter | — | Maryland |
| 12 | Margaret Kretzer | 3 | Daughter | — | Maryland |
| 13 | Millard Kretzer | 31 | Head | Farmer | Maryland |
| 14 | Olive Kretzer | 36 | Wife | — | Maryland |
| 15 | Joyce M. Kretzer | 6 | Daughter | — | Maryland |
| 16 | Millard W. Kretzer | 3 | Son | — | Maryland |
| 17 | George D. Kretzer | 1 | Son | — | Maryland |
| 18 | Lewis Eby | 24 | Head | Tenant | Maryland |
| 19 | Edna Eby | 23 | Wife | — | Maryland |
| 20 | James W. Boyles | 50 | Head | Tenant | W. Virginia |
| 21 | Laura Boyles | 44 | Wife | — | W. Virginia |
| 22 | Sarah E. Boyles | 20 | Daughter | — | W. Virginia |
| 23 | Elizabeth Boyles | 18 | Daughter | — | W. Virginia |
| 24 | Charles Tabler | 50 | Head | Farmer | W. Virginia |
| 25 | Beulah Tabler | 47 | Wife | — | Maryland |
| 26 | Betty Tabler | 19 | Daughter | — | Maryland |
| 27 | Ella Mae Tabler | 8 | Daughter | — | Maryland |
| 28 | Isaac B. Yarob | 56 | Head | Head Mechanic | W. Virginia |
| 29 | Katherine Yarob | 36 | Wife | — | Pennsylvania |
| 30 | Mary K. Yarob | 8 | Daughter | — | Maryland |
| 31 | Gertrude A. Yarob | 6 | Daughter | — | W. Virginia |
| 32 | David Mckee | 44 | Head | — | Pennsylvania |
| 33 | Rosy V. Mckee | 41 | Wife | — | Pennsylvania |
| 34 | Herman L. Mckee | 21 | Son | Hired Man | Maryland |
| 35 | David T. Mckee | 20 | Son | Hired Man | Maryland |
| 36 | William P. Mckee THIS PERSON | 18 | Son | New Worker | Maryland |
| 37 | Grace A. Mckee | 16 | Daughter | — | Maryland |
| 38 | Thomas H. Mckee | 15 | Son | — | Maryland |
| 39 | Edward L. Mckee | 13 | Son | — | Maryland |
| 40 | Lewis S. Mckee | 11 | Son | — | Maryland |
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)