RT
Raymond Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Raymond Thomas across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Robert & Lizzie — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Thomas |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Raymond | Age | Birth yr |
|---|---|---|---|---|
| Robert Mcmahon | Other | — | 2 | ~1938 |
| Robert Thomas | Son | — | 17 | ~1923 |
| Grace Mcmahon | Other | — | 28 | ~1912 |
| Anna Thomas | Daughter | — | 3 | ~1937 |
| Raymond Thomas | Head | — | 42 | ~1898 |
| Helene Thomas | Spouse | — | 42 | ~1898 |
| Raymond Thomas | Son | — | 21 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Middlesex-County, Massachusetts
Son, age 21
Middlesex-County, Massachusetts · implied b. ~1919 — 7 household members
| Surname | Thomas |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| 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 Raymond Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Thomas (~0.81 confidence) and mother Lizzie Thomas (~0.81 confidence) and mother Annie Mcmahon (~0.92 confidence) and father Raymond Thomas (~0.92 confidence) and mother Helene Thomas (~0.92 confidence) and father Raymond Thomas (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Robert Thomas
b. ~1857
Source father>father
● Household
· direct · ~0.81
Mother
Lizzie Thomas
b. ~1860
Source father>mother
● Household
· direct · ~0.81
Mother
Annie Mcmahon
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Raymond Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Helene Thomas
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Raymond Thomas
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
Raymond Thomas
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Robert Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thomas
Sibling · 1940 · age 3
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01691-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Lequaint | 56 | Head | Laborer | Canada |
| 2 | Margaret Lequaint | 55 | Wife | — | French |
| 3 | Daniel Lequaint | 15 | Son | — | Massachusetts |
| 4 | Arlene Lequaint | 26 | Daughter | Laundress | French |
| 5 | John Scullion | 65 | Head | Laborer | Ireland |
| 6 | Jane Scullion | 62 | Wife | — | Ireland |
| 7 | Henry Scullion | 40 | Son | — | Ireland |
| 8 | Raymond Laverty | 30 | Head | Cab Driver | Massachusetts |
| 9 | Bertha Laverty | 30 | Wife | — | Massachusetts |
| 10 | Raymond Jr. Laverty | 6 | Son | — | Massachusetts |
| 11 | Elizabeth Laverty | 2 | Daughter | — | Massachusetts |
| 12 | Mother Rose | None | F | — | — |
| 13 | Mary Griffin | 50 | Aunt | Homework | Ireland |
| 14 | Raymond Thomas | 42 | Head | Fireman | Massachusetts |
| 15 | Helene Thomas | 42 | Wife | — | Massachusetts |
| 16 | Raymond Thomas THIS PERSON | 21 | Son | — | Massachusetts |
| 17 | Robert Thomas | 17 | Son | — | Massachusetts |
| 18 | Anna M. Thomas | 3 | Daughter | — | Massachusetts |
| 19 | Grace Mcmahon | 28 | Sister | Shipping Clerk | Massachusetts |
| 20 | Robert Mcmahon | 2 | Nephew | — | Massachusetts |
| 21 | Leonce Zephirin | 43 | Head | Burner | French |
| 22 | Alfred Zephirin | 39 | Wife | — | Massachusetts |
| 23 | Theresa Zephirin | 19 | Daughter | — | Massachusetts |
| 24 | Leonard Zephirin | 15 | Son | — | Massachusetts |
| 25 | Roland Zephirin | 13 | Son | — | Massachusetts |
| 26 | Donald Zephirin | 11 | Son | — | Massachusetts |
| 27 | Florence Zephirin | 9 | Daughter | — | Massachusetts |
| 28 | Norman Zephirin | 7 | Son | — | Massachusetts |
| 29 | Grace Zephirin | 5 | Daughter | — | Massachusetts |
| 30 | Beatrice Zephirin | 3 | Daughter | — | Massachusetts |
| 31 | Dorothy Zephirin | 1 | Daughter | — | Massachusetts |
| 32 | Emanuel Farris | 50 | Head | — | Massachusetts |
| 33 | Rose Farris | 41 | Wife | — | Massachusetts |
| 34 | Albert Farris | 21 | Son | Laborer | Massachusetts |
| 35 | James Farris | 18 | Son | — | Massachusetts |
| 36 | William Estarakos | 29 | Head | Mill Operator | Massachusetts |
| 37 | Pearl Estarakos | 26 | Wife | Winder | Texas |
| 38 | James Estarakos | 2 | Son | — | Massachusetts |
| 39 | Albert Ezzia | 52 | Head | Laborer | Syria |
| 40 | James Lemos | 64 | Head | Mill Helper | Greece |
Related Census Records
Pedigree Summary
Raymond + 2 siblings
Gen 1 · 4 parents
~0.92
Gen 2 · 2 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)