WM
William Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Mitchell across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mitchell |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Stock Clerk |
| Industry | Automobile parts |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1248 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stock Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Mitchell | Daughter | — | 31 | ~1909 |
| Alice Mitchell | Daughter | — | 32 | ~1908 |
| William Mitchell | Head | — | 56 | ~1884 |
| Edward Mitchell | Son | — | 15 | ~1925 |
| William Mitchell | Son | — | 27 | ~1913 |
| Anna Mitchell | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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 17
Suffolk, Massachusetts · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Suffolk-County, Massachusetts
Son, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 6 household members
| Surname | Mitchell |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Stock Clerk |
| Industry | Automobile parts |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1248 |
| Highest Grade | Hs 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 William Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mitchell (~0.92 confidence) and father William Mitchell (~0.92 confidence) and father William Mitchell (~0.92 confidence) and father James Mitchell (~0.81 confidence) and mother Anna Mitchell (~0.92 confidence) and mother Anna Mitchell (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
William Mitchell
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1885
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1885
Source father
● Household
· direct · ~0.92
Father
James Mitchell
b. ~1860
Source father>father
● Household
· direct · ~0.81
Mother
Anna Mitchell
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Anna Mitchell
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mitchell
Son · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Edward Mitchell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mitchell
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mitchell
Sibling · 1940 · age 31
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-t0627-01675-00771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Clench | 71 | Head | Manager | Canada Eng |
| 2 | Harriette Clench | 70 | Wife | — | New York |
| 3 | Marguerite Crandall | 58 | Head | — | New York |
| 4 | Ida L. Crandall | 52 | Daughter | Assistant Librarian | Massachusetts |
| 5 | Helen Mooney | 43 | Roomer | Social Worker | Massachusetts |
| 6 | Catherine Donovan | 63 | Maid | Maid | Eire |
| 7 | George C. Phelps | 57 | Head | Organist | Canada Eng |
| 8 | Minnie K. Phelps | 63 | Wife | — | Canada Eng |
| 9 | Frances H. Phelps | 27 | Daughter | Stenographer | Canada Eng |
| 10 | Catherine Mawson | 51 | Roomer | School Teacher | Massachusetts |
| 11 | Lura A. Chase | 58 | Head | School Teacher | Massachusetts |
| 12 | Estelle C. Chase | 54 | Sister | School Teacher | Massachusetts |
| 13 | Oscar L. Woodward | 47 | Roomer | Junior Civil Engineer | Maine |
| 14 | M. Claire Lynch | 54 | Head | — | Massachusetts |
| 15 | Marjorie J. Lynch | 37 | Daughter | Low School Teacher | Massachusetts |
| 16 | John J. Coveney | 48 | Head | Stereotyper | Massachusetts |
| 17 | Winifred R. Coveney | 48 | Wife | — | Massachusetts |
| 18 | John J. Jr. Coveney | 20 | Son | Molder | Massachusetts |
| 19 | Mary C. Coveney | 18 | Daughter | — | Massachusetts |
| 20 | Patricia A. Coveney | 14 | Daughter | — | Massachusetts |
| 21 | Philip Coveney | 9 | Son | — | Massachusetts |
| 22 | William A. Shanks | 62 | Head | Stationary Engineer | Canada Eng |
| 23 | Mary J. Shanks | 60 | Wife | — | Eire |
| 24 | Catherine M. Cuddy | 26 | Step-daughter | School Teacher | Massachusetts |
| 25 | Marie R. Cuddy | 24 | Step-daughter | Teletype Operator | Massachusetts |
| 26 | John W. Spence | 43 | Son-in-law | Starter | Massachusetts |
| 27 | Marion L. Spence | 35 | Daughter | — | Pennsylvania |
| 28 | Mary Jane Spence | 13 | Step-granddaughter | — | Massachusetts |
| 29 | Marion L. Spence | 7 | Step-granddaughter | — | Massachusetts |
| 30 | William J. Mitchell | 56 | Head | Watchman | Massachusetts |
| 31 | Anna G. Mitchell | 57 | Wife | — | Massachusetts |
| 32 | Alice M. Mitchell | 32 | Daughter | Saleslady | Massachusetts |
| 33 | Helen G. Mitchell | 31 | Daughter | Stenographer | Massachusetts |
| 34 | William A. Mitchell THIS PERSON | 27 | Son | Stock Clerk | Massachusetts |
| 35 | Edward J. Mitchell | 15 | Son | News Worker | Massachusetts |
| 36 | Joseph H. Ford | 51 | Head | Construction Engineer | Massachusetts |
| 37 | Catherine H. Ford | 50 | Wife | — | Massachusetts |
| 38 | Mary J. Middleton | 48 | Sister-in-law | Supervisor | Canada Eng |
| 39 | Margaret G. Brady | 40 | Sister-in-law | — | Massachusetts |
| 40 | Paul H. Brady | 31 | Brother-in-law | Shipper | Massachusetts |
Related Census Records
Pedigree Summary
William + 3 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 1 grandparents
~0.81
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)