WP
William Pearson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Pearson across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Pearson |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Pearson | Daughter | — | 17 | ~1923 |
| Joseph Pearson | Son | — | 13 | ~1927 |
| Leonard Pearson | Son | — | 1 | ~1939 |
| Lawrence Pearson | Son | — | 6 | ~1934 |
| James Pearson | Son | — | 11 | ~1929 |
| William Pearson | Son | — | 15 | ~1925 |
| William Pearson | Head | — | 38 | ~1902 |
| Robert Pearson | Son | — | 8 | ~1932 |
| Sonia Pearson | Daughter | — | 3 | ~1937 |
| Annie Pearson | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | William F. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | Washington D.C. |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 10 household members
| Surname | Pearson |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Pearson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Pearson
Son · 1940 · age 15 · b. ~1925 · Massachusetts
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Sibling
Lawrence Pearson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Pearson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sonia Pearson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Pearson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Pearson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Pearson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Pearson
Sibling · 1940 · age 11
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01667-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Jr. Ridley | 2 | Son | — | Massachusetts |
| 42 | Samuel P. Berry | 49 | Head | Porter | South Carolina |
| 43 | Abigail Berry | 47 | Wife | Musician | South Carolina |
| 44 | Samuel Jr. Berry | 17 | Son | — | South Carolina |
| 45 | William Pearson | 38 | Head | Porter | South Carolina |
| 46 | Annie Pearson | 35 | Wife | — | Washington D.C. |
| 47 | Mary E. Pearson | 17 | Daughter | Practical Nurse | Massachusetts |
| 48 | William Jr. Pearson THIS PERSON | 15 | Son | — | Massachusetts |
| 49 | Joseph R. Pearson | 13 | Son | — | Massachusetts |
| 50 | James R. Pearson | 11 | Son | — | Massachusetts |
| 51 | Robert Pearson | 8 | Son | — | Massachusetts |
| 52 | Lawrence Pearson | 6 | Son | — | Massachusetts |
| 53 | Sonia A. Pearson | 3 | Daughter | — | Massachusetts |
| 54 | Leonard Pearson | 1 | Son | — | Massachusetts |
| 55 | Sally Chambliss | 47 | Head | — | Virginia |
| 56 | Lawrence Shepard | 21 | Head | Laborer | Massachusetts |
| 57 | Frances Shepard | 18 | Wife | — | Massachusetts |
| 58 | Patricia Shepard | 0 | Daughter | — | Massachusetts |
| 59 | Rennie Drayton | 50 | Head | Laborer | Georgia |
| 60 | Harry Smith | 44 | Lodger | — | Georgia |
| 61 | Marion Johnson | 30 | Lodger | Cook And Butler | Florida |
| 62 | Charles Jones | 49 | Lodger | Waiter | Maryland |
| 63 | Arthur Byrd | 35 | Lodger | Janitor | Georgia |
| 64 | William H. Colbert | 30 | Lodger | Chauffeur | California |
| 65 | George Henry | 35 | Lodger | Longshoreman | Georgia |
| 66 | Walter Wright | 34 | Lodger | Janitor | South Carolina |
| 67 | William Franklin | 38 | Lodger | Longshoreman | Georgia |
| 68 | Anna Van Oden | 42 | Lodger | — | Virginia |
| 69 | Theodore Kambouropoulos | 40 | Lodger | Laborer | Greece |
| 70 | End Of Block 38 - Area Begins Block 29 | None | — | — | — |
| 71 | Napoleon Theureux | 31 | Head | Proprietor | Massachusetts |
| 72 | Adeline Theureux | 28 | Wife | Helper | Vermont |
| 73 | Albert Theureux | 4 | Son | — | Massachusetts |
| 74 | Mary Theureux | 2 | Daughter | — | Massachusetts |
| 75 | Mabel Dillon | 44 | Head | — | Georgia |
| 76 | George Hubbard | 59 | Head | — | Maryland |
| 77 | Robert Cousins | 49 | Head | Domestic | Virginia |
| 78 | John Cousins | 19 | Son | — | Massachusetts |
| 79 | Robert Paulson | 32 | Son | Janitor | Massachusetts |
| 80 | Godfrey Robinson | 27 | Head | Truck Driver | Massachusetts |
Related Census Records
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)