WM
William Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Mitchell across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Mitchell |
| Given Name | William J |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| Additional Details | |
| Occupation | clerk |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 23 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Lawrence 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mitchell | Daughter | — | 19 | ~1921 |
| William Mitchell | Head | — | 25 | ~1915 |
| Laurence Dube | Other | — | 16 | ~1924 |
| William Mitchell | Son | — | ~1940 |
Census Appearances
1920
Essex, Massachusetts
Son, age 5
Essex, Massachusetts · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 15
Essex, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 25
Essex-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Mitchell |
| Given Name | William J |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| Occupation | clerk |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 23 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| 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 mother Annie Mitchell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mitchell
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Annie Mitchell
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mitchell
Head · 1940 · age 25 · b. ~1915 · 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-t0627-01583-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Roland J Bradish | 13 | son | — | Massachusetts |
| 42 | Irene H Bradish | 12 | daughter | — | Massachusetts |
| 43 | Helen Bradish | 51 | wife | — | Canada |
| 44 | Ralph T Blakley | 24 | son-in-law | Chauffeur | Massachusetts |
| 45 | Florence M Blakley | 21 | daughter | — | Massachusetts |
| 46 | William J Martineau | 25 | head | Rubber Worker | Massachusetts |
| 47 | Emeliene Martineau | 20 | wife | Winder | Canada |
| 48 | Alfred Levesque | 47 | head | — | Massachusetts |
| 49 | Bertha Boudreau | 47 | lodger | Sewer | New Hampshire |
| 50 | Dramina Christian | 39 | head | Winder | Canada |
| 51 | Lorraine Christian | 17 | daughter | New Worker | Massachusetts |
| 52 | Guy S Cyr | 37 | head | Mill Worker | Maine |
| 53 | Eva Cyr | 35 | wife | — | Canada |
| 54 | Theresa A Cyr | 13 | daughter | — | Massachusetts |
| 55 | Rita L Cyr | 12 | daughter | — | Massachusetts |
| 56 | Jeanette D Cyr | 9 | daughter | — | New York |
| 57 | Lorraine A Cyr | 5 | daughter | — | New York |
| 58 | Donald F Cyr | 3 | son | — | Massachusetts |
| 59 | William J Mitchell THIS PERSON | 25 | head | Clerk | Massachusetts |
| 60 | Catherine R Mitchell | 19 | daughter | — | Massachusetts |
| 61 | William J Jr Mitchell | 0 | son | — | Massachusetts |
| 62 | Laurence Dube | 16 | brother-in-law | Deliverer | Massachusetts |
| 63 | Joseph A Phibodeau | 25 | head | Reception | Canada |
| 64 | Mary S Phibodeau | 21 | wife | — | Massachusetts |
| 65 | Joseph A Jr Phibodeau | 2 | son | — | Massachusetts |
| 66 | Mary A Phibodeau | 1 | daughter | — | Massachusetts |
| 67 | Amora Latulippe | 64 | lodger | House Maid | Canada |
| 68 | William Arvanitis | 47 | head | Mill Worker | Greece |
| 69 | Dimitra Arvanitis | 42 | wife | — | Greece |
| 70 | George W Arvanitis | 16 | son | — | Massachusetts |
| 71 | John W Arvanitis | 15 | son | — | Massachusetts |
| 72 | Michael W Arvanitis | 11 | son | — | Massachusetts |
| 73 | Joseph W O'Brien | 40 | head | Labour | Massachusetts |
| 74 | Margaret O'Brien | 38 | wife | — | Massachusetts |
| 75 | Joseph W Jr O'Brien | 17 | son | New Worker | Massachusetts |
| 76 | Margie T O'Brien | 14 | daughter | — | Massachusetts |
| 77 | Eileen B O'Brien | 13 | daughter | — | Massachusetts |
| 78 | Barbara S O'Brien | 12 | daughter | — | Massachusetts |
| 79 | Michael O'Brien | 5 | son | — | Massachusetts |
| 80 | Gilbert Myers | 73 | head | — | Canada |
Pedigree Summary
William
Gen 1 · 3 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)