JL
John Little — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Little across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Helen & John — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Little |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Belmont |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Salesman |
| Industry | Electrical Supplies Wholesale |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 235 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Lexington |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Harriett Little | Daughter | — | 24 | ~1916 |
| Albert Little | Head | — | 55 | ~1885 |
| John Little | Son | — | 30 | ~1910 |
| Catherine Little | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Little |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 19
Middlesex, Massachusetts · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Little |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 4 household members
| Surname | Little |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Belmont |
| 1935 Residence (County) | Middlesex |
| Occupation | Salesman |
| Industry | Electrical Supplies Wholesale |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 235 |
| Highest Grade | Hs 4 |
| 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 John Little across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Helen Little (~0.92 confidence) and father John Little (~0.92 confidence) and father Albert Little (~0.92 confidence) and mother Catherine Little (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Helen Little
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
John Little
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Albert Little
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Catherine Little
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Little
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Harriett Little
Sibling · 1940 · age 24
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-t0627-01607-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Ricci | 23 | Son | Laborer | Massachusetts |
| 42 | Rose Ricci | 21 | Daughter | Machine-Operator | Massachusetts |
| 43 | Anna Ricci | 18 | Daughter | — | Massachusetts |
| 44 | Charles Ricci | 13 | Son | — | Massachusetts |
| 45 | Arthur De Vincent | 56 | Head | Operator | Massachusetts |
| 46 | Sena De Vincent | 54 | Wife | — | Massachusetts |
| 47 | Ernest De Vincent | 16 | Son | — | Massachusetts |
| 48 | Raymond De Vincent | 35 | Brother | Operator | Massachusetts |
| 49 | Ann De Vincent | 23 | Wife | — | Massachusetts |
| 50 | Thomas Dearborn | 40 | Head | Decorator | Massachusetts |
| 51 | Helen Dearborn | 38 | Wife | — | Massachusetts |
| 52 | Murray Dearborn | 13 | Son | — | Massachusetts |
| 53 | Newell Dearborn | 11 | Son | — | Massachusetts |
| 54 | Albert H. Little | 55 | Head | — | Pennsylvania |
| 55 | Catherine Little | 52 | Wife | — | Massachusetts |
| 56 | John Little THIS PERSON | 30 | Son | Salesman | Massachusetts |
| 57 | Harriett Little | 24 | Daughter | Salesgirl | Massachusetts |
| 58 | Robert Chapman | 27 | Head | Auto Mechanic | Mississippi |
| 59 | Elizabeth Chapman | 28 | Wife | — | Massachusetts |
| 60 | Janet Chapman | 6 | Daughter | — | Massachusetts |
| 61 | Robert Chapman | 4 | Son | — | Massachusetts |
| 62 | Burle Robbins | 40 | Lodger | Landscape Gardener | Canada-English |
| 63 | Reginald Buckler | 34 | Head | Landscape Gardener | Canada-English |
| 64 | Lulu Buckler | 27 | Wife | — | Maine |
| 65 | Richard Buckler | 3 | Son | — | Massachusetts |
| 66 | James Lawrence | 66 | Head | Timekeeper | Massachusetts |
| 67 | Mary Lawrence | 67 | Wife | — | Massachusetts |
| 68 | Joseph Fardey | 64 | Head | Superintendent | Massachusetts |
| 69 | Isabel Fardey | 66 | Wife | — | Massachusetts |
| 70 | Rosabel Foster | 33 | Daughter | Salesgirl | Massachusetts |
| 71 | Daisy Foster | 13 | Granddaughter | — | Massachusetts |
| 72 | Wright Foster | 10 | Grandson | — | Massachusetts |
| 73 | Stephen Wright | 77 | Brother-in-law | — | Massachusetts |
| 74 | Wilma Bloomer | 69 | Head | Proprietor | Massachusetts |
| 75 | Joseph Mchugh | 36 | Head | Florist | Eire |
| 76 | Nora Mchugh | 35 | Wife | — | Eire |
| 77 | Thomas Mchugh | 4 | Son | — | Massachusetts |
| 78 | Francis Lumia | 23 | Head | Laborer | Massachusetts |
| 79 | Frances Lumia | 23 | Wife | — | Massachusetts |
| 80 | Janet Lumia | 3 | Daughter | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)