JP
John Pearson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Pearson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Richard & Katherine — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Pearson |
| Given Name | John G |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston, city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Pearson | Daughter | — | 28 | ~1912 |
| Katherine Pearson | Daughter | — | 34 | ~1906 |
| Richard Pearson | Head | — | 64 | ~1876 |
| John Pearson | Son | — | 25 | ~1915 |
| Katherine Pearson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | John B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 5 household members
| Surname | Pearson |
| Given Name | John G |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston, city |
| 1935 Residence (County) | Suffolk |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 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 John Pearson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Pearson (~0.92 confidence) and mother Katherine Pearson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Pearson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Katherine Pearson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Pearson
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Katherine Pearson
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Pearson
Sibling · 1940 · age 28
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-t0627-01679-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Murphy Anna D Murphy | 42 | Wife | None | Massachusetts |
| 2 | Murphy Virginia Murphy | 20 | daughter | Statistician | Massachusetts |
| 3 | Murphy Joseph L Murphy | 18 | son | None | Massachusetts |
| 4 | Murphy Robert M Murphy | 15 | son | None | Massachusetts |
| 5 | Murphy Walter Murphy | 10 | son | None | Massachusetts |
| 6 | John J Healey | 54 | Head | Newspaper Mailer | Massachusetts |
| 7 | Evelyn A Healey | 50 | Wife | None | Massachusetts |
| 8 | Helen E Healey | 26 | daughter | Typist | Massachusetts |
| 9 | Louisa M Healey | 24 | daughter | Typist | Massachusetts |
| 10 | Evelyn A Healey | 23 | daughter | Typist | Massachusetts |
| 11 | Lawrence B Healey | 22 | son | Office Clerk | Massachusetts |
| 12 | Robert L Healey | 14 | son | None | Massachusetts |
| 13 | John H Glover | 63 | Head | Clerk-Chief | Massachusetts |
| 14 | Mary A Glover | 61 | Wife | None | Massachusetts |
| 15 | Francis H Glover | 24 | son | New Worker | Massachusetts |
| 16 | Henry W Vogel | 43 | Head | Schedule Clerk | Massachusetts |
| 17 | Anne E Vogel | 40 | Wife | None | Massachusetts |
| 18 | Ruth M Vogel | 13 | daughter | None | Massachusetts |
| 19 | Richard H Vogel | 5 | son | None | Massachusetts |
| 20 | Francis G Maloney | 18 | nephew | New Worker | Massachusetts |
| 21 | Joseph J Maloney | 32 | brother-in-law | Boilermaker'S Helper | Massachusetts |
| 22 | Richard H Pearson | 64 | Head | Mariner | Massachusetts |
| 23 | Katherine E Pearson | 61 | Wife | None | Massachusetts |
| 24 | Katherine G Pearson | 34 | daughter | Attorney | Massachusetts |
| 25 | Margaret A Pearson | 28 | daughter | High School Teacher | Massachusetts |
| 26 | John G Pearson THIS PERSON | 25 | son | None | Massachusetts |
| 27 | Mary E Hanlon | 52 | Head | None | Massachusetts |
| 28 | Joseph P Hanlon | 52 | husband | Engineer | Massachusetts |
| 29 | Clare E Horgan | 23 | niece | Teletype Operator | Massachusetts |
| 30 | Rita L Horgan | 20 | niece | Teletype Operator | Massachusetts |
| 31 | Joseph G Horgan | 19 | nephew | New Worker | Massachusetts |
| 32 | Margaret A Horgan | 60 | Sister | Dietician | Massachusetts |
| 33 | Bart D Riordan | 50 | Head | None | Irish Free State |
| 34 | Mary E Riordan | 49 | Wife | None | Massachusetts |
| 35 | Pauline E Riordan | 17 | daughter | None | Massachusetts |
| 36 | Mary L Riordan | 13 | daughter | None | Massachusetts |
| 37 | Edward M Duggan | 75 | father-in-law | Proprietor Plumber | Massachusetts |
| 38 | George T Auld | 57 | Head | Carpenter | Massachusetts |
| 39 | Ella M Auld | 55 | Wife | None | England |
| 40 | John C Blake | 58 | Head | Lieutenant | Massachusetts |
Pedigree Summary
John + 2 siblings
Gen 1 · 2 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)