AW
Andrew Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Andrew Williams across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Michael — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Soap Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 730 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1914 |
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 Andrew | Age | Birth yr |
|---|---|---|---|---|
| Maureen Williams | Daughter | — | ~1940 | |
| Andrew Williams | Head | — | 26 | ~1914 |
| Donald Williams | Son | — | 2 | ~1938 |
| Helen Williams | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Andrew R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 26
Essex-County, Massachusetts · implied b. ~1914 — 4 household members
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Laborer |
| Industry | Soap Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 730 |
| 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 Andrew Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Williams (~0.92 confidence) and father Michael Williams (~0.92 confidence) and mother Elizabeth Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Williams
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Michael Williams
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Williams
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Williams
Head · 1940 · age 26 · b. ~1914 · 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-t0627-01584-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rouanna Laforest | 78 | Mother in law | — | Canada |
| 2 | Thomas Mcmahon | 69 | Head | — | Massachusetts |
| 3 | Daniel Leany | 69 | Lodger | — | Massachusetts |
| 4 | Thuran | 58 | Lodger | — | Massachusetts |
| 5 | William Scanlon | 54 | Head | Overseer | Massachusetts |
| 6 | Elizabeth A Scanlon | 49 | Wife | — | Massachusetts |
| 7 | Michael J Whalen | 37 | Head | Second Hand | Irish Free State |
| 8 | Marion Whalen | 32 | Wife | — | New Hampshire |
| 9 | Ann Whalen | 3 | Daughter | — | — |
| 10 | Jean M Whalen | 0 | Daughter | — | — |
| 11 | Mary J Scanlon | 75 | Head | — | Irish Free State |
| 12 | Ella Scanlon | 48 | Daughter | Mender | Massachusetts |
| 13 | Daniel S Scanlon | 46 | Son | Operative | Massachusetts |
| 14 | Marguerite Scanlon | 43 | Daughter | Stenographer | Massachusetts |
| 15 | Thomas Scanlon | 23 | Son | Dyer | Massachusetts |
| 16 | Michael Cothrell | 38 | Head | Picker | Massachusetts |
| 17 | Esther Cothrell | 36 | Wife | — | Massachusetts |
| 18 | Leo B La Clair | 36 | Head | Beater Man | Massachusetts |
| 19 | Mary J La Clair | 32 | Wife | Spinner | Massachusetts |
| 20 | Irene La Clair | 14 | Daughter | — | Massachusetts |
| 21 | John Kelly | 55 | Head | Station Attendant | Irish Free State |
| 22 | Mary Kelly | 50 | Wife | — | Irish Free State |
| 23 | Agnes Kelly | 20 | Daughter | Winding | Massachusetts |
| 24 | Susan Kelly | 19 | Daughter | New Worker | Massachusetts |
| 25 | Francis Kelly | 18 | Son | New Worker | Massachusetts |
| 26 | Andrew Williams THIS PERSON | 26 | Head | Laborer | Massachusetts |
| 27 | Helen Williams | 21 | Wife | — | Massachusetts |
| 28 | Donald J Williams | 2 | Son | — | — |
| 29 | Maureen Williams | 0 | Daughter | — | — |
| 30 | James P Rooney | 65 | Head | Carpenter | Canada |
| 31 | Margaret W Rooney | 62 | Wife | — | Irish Free State |
| 32 | Gertrude Watson | 35 | Step Daughter | — | Massachusetts |
| 33 | Adella Watson | 33 | Step Daughter | Saleslady | Massachusetts |
| 34 | Mildred Kelleher | 32 | Step Daughter | Typist | Massachusetts |
| 35 | Margaret Kelleher | 3 | Grand Daughter | — | — |
| 36 | William J Kelleher | 1 | Grand Son | — | — |
| 37 | Martin Gages | 49 | Lodger | Blacksmith | New Hampshire |
| 38 | John Carroll | 73 | Lodger | — | Massachusetts |
| 39 | David Whittemore | 28 | Head | Mercerizer | Massachusetts |
| 40 | Mary M Whittemore | 27 | Wife | — | Massachusetts |
Pedigree Summary
Andrew
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)