WP
William Perkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Perkins across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Margaret — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Perkins |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Salem city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | engineer |
| Industry | ice |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Engineer |
| Township / Ward | Salem City |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Shirley Perkins | Daughter | — | 8 | ~1932 |
| William Perkins | Head | — | 29 | ~1911 |
| James Perkins | Son | — | 3 | ~1937 |
| William Perkins | Son | — | 6 | ~1934 |
| Shirley Perkins | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Essex, Massachusetts
Son, age 7
Essex, Massachusetts · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | William J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 18
Essex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 29
Essex-County, Massachusetts · implied b. ~1911 — 5 household members
| Surname | Perkins |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Salem city |
| 1935 Residence (County) | Essex |
| Occupation | engineer |
| Industry | ice |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Perkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Perkins (~0.92 confidence) and mother Margaret Perkins (~0.92 confidence) and father William Perkins (~0.92 confidence) and mother Margaret Perkins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Perkins
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Margaret Perkins
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
William Perkins
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Margaret Perkins
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Perkins
Head · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01589-01150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pearl Mallard | 3 | daughter | — | Massachusetts |
| 2 | Robert Mallard | 1 | son | — | Massachusetts |
| 3 | William Perkins THIS PERSON | 29 | head | Engineer | Massachusetts |
| 4 | Shirley E Perkins | 28 | wife | — | Maine |
| 5 | Shirley M Perkins | 8 | daughter | — | Massachusetts |
| 6 | William Jr Perkins | 6 | son | — | Massachusetts |
| 7 | James Perkins | 3 | son | — | Massachusetts |
| 8 | Oscar Chalifour | 46 | head | Machinist | Massachusetts |
| 9 | Mary Chalifour | 44 | wife | — | Canada-French |
| 10 | Cecil Chalifour | 21 | daughter | Stenographer | Massachusetts |
| 11 | Oscar Chalifour | 17 | son | — | Massachusetts |
| 12 | Jean Chalifour | 15 | daughter | — | Massachusetts |
| 13 | Charles Chalifour | 14 | son | — | Massachusetts |
| 14 | Emeline Chalifour | 12 | daughter | — | Massachusetts |
| 15 | Arthur Chalifour | 8 | son | — | Massachusetts |
| 16 | Mary Chalifour | 5 | daughter | — | Massachusetts |
| 17 | Harold Hanscom | 25 | head | Store Clerk | Massachusetts |
| 18 | Alice Hanscom | 26 | wife | Seamstress | Massachusetts |
| 19 | George E Jackson | 44 | head | Truck Driver | Massachusetts |
| 20 | Christala Jackson | 43 | wife | — | West Indies |
| 21 | Hubert Jackson | 22 | son | Laborer | Massachusetts |
| 22 | Elizabeth Jackson | 20 | daughter | New Worker | Massachusetts |
| 23 | George Jackson | 19 | son | Laborer | Massachusetts |
| 24 | Charles Jackson | 16 | son | — | Massachusetts |
| 25 | Ralph Jackson | 13 | son | — | Massachusetts |
| 26 | Gloria Jackson | 12 | daughter | — | Massachusetts |
| 27 | Helen Jackson | 10 | daughter | — | Massachusetts |
| 28 | Amelia Jackson | 9 | daughter | — | Massachusetts |
| 29 | Horatio Jackson | 8 | son | — | Massachusetts |
| 30 | Earl Jackson | 7 | son | — | Massachusetts |
| 31 | Howard Jackson | 6 | son | — | Massachusetts |
| 32 | August Michaud | 53 | head | Machinist | Massachusetts |
| 33 | Eva Michaud | 52 | wife | — | Massachusetts |
| 34 | Leopold Michaud | 25 | son | Ass. Cook | Massachusetts |
| 35 | Roland Michaud | 21 | son | Pharmacist | Massachusetts |
| 36 | Rene Michaud | 19 | son | Deliverer | Massachusetts |
| 37 | Jean Michaud | 13 | son | — | Massachusetts |
| 38 | Lillian Michaud | 11 | daughter | — | Massachusetts |
| 39 | Henry Mangold | 32 | head | Mechanic | Massachusetts |
| 40 | Mary Mangold | 29 | wife | — | Massachusetts |
Pedigree Summary
William
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)