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John Scanlon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Scanlon across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Martin & Margaret — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Scanlon |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Lynn |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Attendant |
| Industry | Parking Lot |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Attendant |
| Township / Ward | Lynn |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| John Scanlon | Son | — | 25 | ~1915 |
| Louis Scanlon | Son | — | 21 | ~1919 |
| Anna Scanlon | Daughter | — | 24 | ~1916 |
| Margaret Scanlon | Head | — | 60 | ~1880 |
Census Appearances
1920
Essex, Massachusetts
Son, age 5
Essex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Maine |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Essex, Massachusetts
Son, age 15
Essex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Essex-County, Massachusetts
Son, age 25
Essex-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Scanlon |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Lynn |
| 1935 Residence (County) | Essex |
| Occupation | Attendant |
| Industry | Parking Lot |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Scanlon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Scanlon (~0.92 confidence) and mother Margaret Scanlon (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Scanlon
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Margaret Scanlon
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Scanlon
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Louis Scanlon
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Scanlon
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 — 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-t0627-01696-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Cook | 23 | — | Attendant | Maine |
| 42 | John C. Blanchard | 39 | Head | Machinist Helper | Mass. |
| 43 | Gertrude Blanchard | 38 | Wife | — | Mass. |
| 44 | John J. Blanchard | 5 | Son | — | Mass. |
| 45 | George Blanchard | 4 | Son | — | Mass. |
| 46 | Ann Blanchard | 3 | Daughter | — | Mass. |
| 47 | Joseph Blanchard | 1 | Son | — | Mass. |
| 48 | Willis J. Merrill | 64 | Head | Merchants | New Hampshire |
| 49 | Rebecca Merrill | 63 | Wife | — | Pennsylvania |
| 50 | William Donnelly | 41 | Head | Manager Filling Station | Mass. |
| 51 | Jane Donnelly | 40 | Wife | — | Mass. |
| 52 | William Jr. Donnelly | 7 | Son | — | Mass. |
| 53 | Richard Donnelly | 5 | Son | — | Mass. |
| 54 | Thomas Coulon | 34 | Head | Clerk | Mass. |
| 55 | Mary Coulon | 36 | Wife | — | Mass. |
| 56 | Carl Agnew | 34 | Head | Machinist | Mass. |
| 57 | Ada Agnew | 26 | Wife | — | Newfoundland |
| 58 | Barbara Agnew | 1 | Daughter | — | Mass. |
| 59 | Harold E. Thurston | 52 | Head | Treasurer | Mass. |
| 60 | Willa Thurston | 53 | Wife | — | Nova Scotia |
| 61 | Robert Thurston | 25 | Son | Teller | Mass. |
| 62 | Harold A. Thurston | 15 | Son | — | Mass. |
| 63 | Timothy J. Healy | 41 | Head | Linotype Operator | Mass. |
| 64 | Margaret Healy | 42 | Wife | — | Mass. |
| 65 | Ellen F. Healy | 42 | Sister | Sales Girl | Mass. |
| 66 | Margaret Scanlon | 60 | Head | — | Maine |
| 67 | John H. Scanlon THIS PERSON | 25 | Son | Attendant | New Hampshire |
| 68 | Anna N. Scanlon | 24 | Daughter | Paster | New Hampshire |
| 69 | Louis A. Scanlon | 21 | Son | Messenger | Mass. |
| 70 | Seth Nelson | 70 | Head | — | Sweden |
| 71 | Emma Nelson | 72 | Wife | — | Sweden |
| 72 | Fritz Nelson | 42 | Head | Asst Dist Manager | Mass. |
| 73 | Maude Nelson | 40 | Wife | — | Mass. |
| 74 | Janet Nelson | 4 | Daughter | — | Mass. |
| 75 | Judith Nelson | 1 | Daughter | — | Mass. |
| 76 | Charles H. Bent | 43 | Head | Inspector | Mass. |
| 77 | Mabel Bent | 41 | Wife | — | Mass. |
| 78 | Charles C. Jr. Bent | 18 | Son | — | Mass. |
| 79 | Donald Bent | 14 | Son | — | Mass. |
| 80 | George Bent | 8 | Son | — | Mass. |
Pedigree Summary
John + 2 siblings
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)