FT
Frank Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Frank Thompson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1881), then head of a 6-person household.
Age 59
b. ~1881
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Thompson |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Porter |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Porter |
| Township / Ward | Somerville |
| Est. Birth Year | ~1881 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Edna Thompson | Daughter | — | 54 | ~1886 |
| Elizabeth Thompson | Head | — | 84 | ~1856 |
| Virginia Wilson | Other | — | 17 | ~1923 |
| Harry Thompson | Son | — | 63 | ~1877 |
| William Thompson | Son | — | 61 | ~1879 |
| Frank Thompson | Son | — | 59 | ~1881 |
Census Appearances
1900
Suffolk, Massachusetts
Son, age 21
Suffolk, Massachusetts · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Birth Month | Sept |
| Birth Year | 1879 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Box maker |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1910
Middlesex, Massachusetts
Son, age 30
Middlesex, Massachusetts · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Years Married | 2 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Box maker |
| Industry | Mill work |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1920
Middlesex, Massachusetts
Son, age 40
Middlesex, Massachusetts · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Box maker |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Middlesex, Massachusetts
Son, age 50
Middlesex, Massachusetts · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Shipper |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Middlesex-County, Massachusetts
Son, age 59
Middlesex-County, Massachusetts · implied b. ~1881 — 6 household members
| Surname | Thompson |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Middlesex |
| Occupation | Porter |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Frank Thompson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frank Thompson (~0.92 confidence) and father Frank Thompson (~0.92 confidence) and mother Lizzie Thompson (~0.92 confidence) and mother Elizabeth Thompson (~0.92 confidence) and mother Elizabeth Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thompson
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Frank Thompson
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Lizzie Thompson
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Thompson
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Thompson
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Thompson
Son · 1940 · age 59 · b. ~1881 · Massachusetts
★ You are viewing this record
Sibling
Harry Thompson
Sibling · 1940 · age 63
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Thompson
Sibling · 1940 · age 54
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thompson
Sibling · 1940 · age 61
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-t0627-01703-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Votenza Lorenzo | 18 | daughter | — | Italy |
| 42 | Lea Lorenzo | 16 | daughter | — | Italy |
| 43 | Gabriela Lorenzo | 9 | son | — | Massachusetts |
| 44 | Rosa Lorenzo | 5 | daughter | — | Massachusetts |
| 45 | Barbara Lorenzo | 3 | daughter | — | Massachusetts |
| 46 | Harry Spiegel | 37 | head | Learner | Massachusetts |
| 47 | Clara Spiegel | 35 | wife | — | Syria |
| 48 | Barbara Spiegel | 9 | daughter | — | Rhode Island |
| 49 | Pasquale Tercione | 56 | head | Salesman | Italy |
| 50 | Pasqualina Tercione | 46 | wife | — | Italy |
| 51 | Mary Tercione | 27 | daughter | Cashier | Massachusetts |
| 52 | Armando Tercione | 19 | son | Salesman | Massachusetts |
| 53 | Mary Lynch | 66 | head | — | Eire |
| 54 | William Arbuckle | 41 | head | Asst City Clerk | Massachusetts |
| 55 | Mildred Arbuckle | 41 | wife | — | Massachusetts |
| 56 | Jeanne Arbuckle | 21 | daughter | — | Massachusetts |
| 57 | Hubert Johnson | 69 | head | Fireman | Canada Eng |
| 58 | Mary Johnson | 72 | wife | — | Eire |
| 59 | Reni Cardinal | 55 | head | Conductor | Massachusetts |
| 60 | Mary Cardinal | 54 | wife | — | Massachusetts |
| 61 | William Bell | 56 | head | Salesman | Massachusetts |
| 62 | Alga Bell | 55 | wife | — | Massachusetts |
| 63 | Elizabeth Thompson | 84 | head | — | Massachusetts |
| 64 | Harry Thompson | 63 | son | — | Massachusetts |
| 65 | William Thompson | 61 | son | Benevolent Dept | Massachusetts |
| 66 | Frank Thompson THIS PERSON | 59 | son | Porter | Connecticut |
| 67 | Edna Thompson | 54 | daughter | Clerk | Massachusetts |
| 68 | Virginia Wilson | 17 | lodger | — | Massachusetts |
| 69 | Thomas Foley | 48 | head | Entertainer | Massachusetts |
| 70 | Anna Foley | 46 | wife | — | Massachusetts |
| 71 | Bernice Foley | 27 | daughter | Entertainer | Massachusetts |
| 72 | Mary Foley | 24 | daughter | Entertainer | Massachusetts |
| 73 | John Foley | 22 | son | Tax Worker | New York |
| 74 | Theodore Foley | 20 | daughter | — | Massachusetts |
| 75 | Timothy Geary | 40 | head | Chauffer | Eire |
| 76 | Jane Geary | 39 | wife | — | Eire |
| 77 | Mary Geary | 17 | daughter | — | Eire |
| 78 | Paul Geary | 14 | son | — | Massachusetts |
| 79 | Eileen Geary | 12 | daughter | — | Eire |
| 80 | Donald Geary | 8 | son | — | Massachusetts |
Related Census Records
Pedigree Summary
Frank + 3 siblings
Gen 1 · 5 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)