WS
William Shaw — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Shaw across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Adam & Margaret — first a head (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Shaw |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Tyngsborough |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Woolen |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Tyngsborough |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Shaw | Head | — | 58 | ~1882 |
| Walter Shaw | Son | — | 13 | ~1927 |
| Margaret Shaw | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 28
Middlesex, Massachusetts · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Hosiery |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Middlesex, Massachusetts
Head, age 38
Middlesex, Massachusetts · implied b. ~1882 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Head, age 44
Middlesex, Massachusetts · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 30 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Repairer |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Head, age 58
Middlesex-County, Massachusetts · implied b. ~1882 — 3 household members
| Surname | Shaw |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Tyngsborough |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Woolen |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Shaw across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adam Shaw (~0.92 confidence) and mother Margaret Shaw (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adam Shaw
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Margaret Shaw
b. ~1854
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Shaw
Head · 1940 · age 58 · b. ~1882 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01618-00233)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry J. La France | 55 | Head | Proprietor | New Hampshire |
| 42 | Gertrude La France | 47 | Wife | — | Massachusetts |
| 43 | Henry J. Jr. La France | 21 | Son | — | Massachusetts |
| 44 | Joseph A. Adams | 37 | Head | Laborer | Massachusetts |
| 45 | Alice O. Adams | 40 | Wife | — | New Hampshire |
| 46 | Napoleon J. Adams | 16 | Son | — | Massachusetts |
| 47 | Roger G. Adams | 15 | Son | — | Massachusetts |
| 48 | Pauline B. Adams | 14 | Daughter | — | Massachusetts |
| 49 | Henry R. Adams | 13 | Son | — | Massachusetts |
| 50 | Gerard R. Adams | 10 | Son | — | Massachusetts |
| 51 | Emil A. Adams | 8 | Son | — | Massachusetts |
| 52 | Florence A. Adams | 6 | Daughter | — | Massachusetts |
| 53 | Arlene A. Adams | 4 | Daughter | — | Massachusetts |
| 54 | Theresa M. Adams | 3 | Daughter | — | Massachusetts |
| 55 | Lillian M. Adams | 2 | Daughter | — | Massachusetts |
| 56 | Wilfred M. Bergeron | 25 | Head | Laborer | Massachusetts |
| 57 | Antoinette Bergeron | 32 | Wife | — | Massachusetts |
| 58 | Arthur Bergeron | 12 | Son | — | Massachusetts |
| 59 | Leo Bergeron | 11 | Son | — | Massachusetts |
| 60 | Adelene Bergeron | 9 | Daughter | — | Massachusetts |
| 61 | William M. Shaw THIS PERSON | 58 | Head | Machinist | Scotland |
| 62 | Margaret E. Shaw | 52 | Wife | — | Nova Scotia |
| 63 | Walter F. Shaw | 13 | Son | — | Massachusetts |
| 64 | William Sanford | 53 | Head | Laborer | Nova Scotia |
| 65 | Flora B. Sanford | 53 | Wife | — | Massachusetts |
| 66 | Alfred Sanford | 23 | Son | Laborer | Massachusetts |
| 67 | Leona Sanford | 22 | Daughter | Maid | Massachusetts |
| 68 | Charlotte Sanford | 13 | Daughter | — | Massachusetts |
| 69 | Helen M. Anderson | 65 | Head | — | New York |
| 70 | Edwin B. Warren | 40 | Brother | Laborer | Massachusetts |
| 71 | Lucian Bergeron | 28 | Head | Shoe Worker | Massachusetts |
| 72 | Loretta Bergeron | 28 | Wife | — | Massachusetts |
| 73 | Lucien V. Bergeron | 4 | Son | — | Massachusetts |
| 74 | Paul M. Bergeron | 1 | Son | — | Massachusetts |
Pedigree Summary
William
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)