WM
William Mcpherson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this William Mcpherson across the 1910, 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed), with identified parents James & Cora — first a son (b.~1906), then head of a 14-person household.
Age 34
b. ~1906
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | McPherson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | D.C. |
| Additional Details | |
| Occupation | laborer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 788 |
| Highest Grade | No 7 |
| 1935 Residence | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | 8Th Election District Bryantown |
| Est. Birth Year | ~1906 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Pinkney | Daughter | — | 32 | ~1908 |
| John Mcpherson | Son | — | 21 | ~1919 |
| Joseph Pinkney | Other | — | 16 | ~1924 |
| Clarie Pinkney | Other | — | 13 | ~1927 |
| Ruby Pinkney | Other | — | 10 | ~1930 |
| Rosella Pinkney | Other | — | 9 | ~1931 |
| Eleanor Mcpherson | Spouse | — | 66 | ~1874 |
| William Mcpherson | Son | — | 34 | ~1906 |
| James Pinkney | Other | — | 8 | ~1932 |
| Roscoe Pinkney | Other | — | 11 | ~1929 |
| Ruth Pinkney | Other | — | 18 | ~1922 |
| Howard Pinkney | Other | — | 32 | ~1908 |
| Edward Mcpherson | Son | — | 39 | ~1901 |
| James Mcpherson | Head | — | 66 | ~1874 |
Census Appearances
1910
Charles, Maryland
Son, age 4
Charles, Maryland · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McPherson |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Charles, Maryland
Son, age 14
Charles, Maryland · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McPherson |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Son, age 24
Charles, Maryland · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McPherson |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Son, age 34
Charles-County, Maryland · implied b. ~1906 — 14 household members
| Surname | McPherson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | D.C. |
| Occupation | laborer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 788 |
| Highest Grade | No 7 |
| 1935 Residence | No |
| 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 Mcpherson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mcpherson (~0.92 confidence) and mother Cora Mcpherson (~0.92 confidence) and mother Eleanor Mcpherson (~0.92 confidence) and mother Eleanor Mcpherson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mcpherson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Cora Mcpherson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Eleanor Mcpherson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Eleanor Mcpherson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mcpherson
Son · 1940 · age 34 · b. ~1906 · Maryland
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Sibling
Edward Mcpherson
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcpherson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Pinkney
Sibling · 1940 · age 32
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thos. P. Gardiner | 36 | Head | Farmer | Maryland |
| 2 | Catherine C. Gardiner | 36 | Wife | — | Maryland |
| 3 | Mary E. Gardiner | 10 | Daughter | — | Maryland |
| 4 | Thos. P. Jr. Gardiner | 9 | Son | — | Maryland |
| 5 | Price Gardiner | 7 | Son | — | Maryland |
| 6 | Eleanor Gardiner | 6 | Daughter | — | Maryland |
| 7 | Anna Marie Gardiner | 4 | Daughter | — | Maryland |
| 8 | Richard Makle | 45 | Head | Laborer | Maryland |
| 9 | George T. Proctor | 19 | Partner | Laborer | Maryland |
| 10 | James B. Stewart | 24 | Head | Laborer | Maryland |
| 11 | Elizabeth T. Stewart | 18 | Wife | — | Maryland |
| 12 | Shirley E. Stewart | 0 | Daughter | — | Maryland |
| 13 | Hugh C. Gardiner | 64 | Head | Farmer | Maryland |
| 14 | Mary D. Gardiner | 61 | Wife | — | Maryland |
| 15 | Thomas R. Gardiner | 18 | Son | Laborer | Maryland |
| 16 | James Mcpherson | 66 | Head | Farmer | Maryland |
| 17 | Eleanor Mcpherson | 66 | Wife | — | Maryland |
| 18 | William Mcpherson THIS PERSON | 34 | Son | Laborer | Maryland |
| 19 | John Mcpherson | 21 | Son | Laborer | Maryland |
| 20 | Edward Mcpherson | 39 | Son | Laborer | Maryland |
| 21 | Howard Pinkney | 32 | Son-in-law | Laborer | Maryland |
| 22 | Eleanor Pinkney | 32 | Daughter | Teacher | Maryland |
| 23 | Roscoe Pinkney | 11 | Grandson | — | Maryland |
| 24 | Rosella Pinkney | 9 | Granddaughter | — | D.C. |
| 25 | Ruth Pinkney | 18 | Granddaughter | — | Maryland |
| 26 | Joseph Pinkney | 16 | Grandson | — | Maryland |
| 27 | Clarie Pinkney | 13 | Granddaughter | — | Maryland |
| 28 | Ruby Pinkney | 10 | Granddaughter | — | Maryland |
| 29 | James Pinkney | 8 | Grandson | — | Maryland |
| 30 | W. Ralph Gardiner | 31 | Head | Farmer | Maryland |
| 31 | Mary Gardiner | 28 | Wife | — | Maryland |
| 32 | W. Ralph Jr. Gardiner | 8 | Son | — | D.C. |
| 33 | Dorothy M. Gardiner | 4 | Daughter | — | D.C. |
| 34 | Mary J. Gardiner | 2 | Daughter | — | D.C. |
| 35 | Elizabeth A. Gardiner | 0 | Daughter | — | Maryland |
| 36 | Catherine L. Washington | 15 | Maid | Maid | Maryland |
| 37 | Matthews Hardy | 23 | Head | Watchman | Maryland |
| 38 | Dola Hardy | 18 | Wife | — | Maryland |
| 39 | Matthews Jr. Hardy | 0 | Son | — | D.C. |
| 40 | Richard J. Stewart | 58 | Head | Farmer | Maryland |
Pedigree Summary
William + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)