RJ
Richard Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Richard Jackson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Jackson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jackson | Daughter | — | 12 | ~1928 |
| Joyce Jackson | Daughter | — | ~1940 | |
| Mabel Jackson | Daughter | — | 3 | ~1937 |
| Patsy Jackson | Daughter | — | 6 | ~1934 |
| Nancy Jackson | Daughter | — | 2 | ~1938 |
| George Jackson | Head | — | 33 | ~1907 |
| Charles Jackson | Son | — | 10 | ~1930 |
| Richard Jackson | Son | — | 12 | ~1928 |
| Teresa Jackson | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Richard G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 12
Middlesex-County, Massachusetts · implied b. ~1928 — 9 household members
| Surname | Jackson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Highest Grade | 6 |
| 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 Richard Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Jackson
Son · 1940 · age 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Joyce Jackson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Jackson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Jackson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jackson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patsy Jackson
Sibling · 1940 · age 6
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-t0627-01702-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Saffelo | 11 | Son | — | Massachusetts |
| 2 | Fred Saffelo | 9 | Son | — | Massachusetts |
| 3 | John Saffelo | 4 | Son | — | Massachusetts |
| 4 | Elizabeth Saffelo | 1 | Daughter | — | Massachusetts |
| 5 | Romeo Lippe | 33 | Head | Extra Crew Foreman | Massachusetts |
| 6 | Edna Lippe | 32 | Wife | — | Canada French |
| 7 | Pauline Lippe | 9 | Daughter | — | Massachusetts |
| 8 | George Lippe | 8 | Son | — | Massachusetts |
| 9 | Estelle Lippe | 4 | Daughter | — | Massachusetts |
| 10 | Lillian Malone | 35 | Head | Housekeeper | Massachusetts |
| 11 | Audrey Malone | 12 | Daughter | — | Massachusetts |
| 12 | Mary Malone | 7 | Daughter | — | Massachusetts |
| 13 | Anna Carney | 40 | Head | — | Massachusetts |
| 14 | Charles Carney | 23 | Son | Wiper | Massachusetts |
| 15 | Francis Carney | 20 | Son | Laborer | Massachusetts |
| 16 | Anna Carney | 13 | Daughter | — | Massachusetts |
| 17 | William Paiva | 35 | Head | Wood Carver | Massachusetts |
| 18 | Ralph Conley | 21 | Head | Porter Restaurant | Maine |
| 19 | Grace Conley | 19 | Wife | — | Massachusetts |
| 20 | Henry Ray | 67 | Head | Laborer | Maine |
| 21 | Nora Ray | 65 | Wife | — | EIRE |
| 22 | Leon Ray | 28 | Son | Lumper On Truck | Massachusetts |
| 23 | Louis Bannister | 42 | Head | Milk Shipper | Canada English |
| 24 | Marie Bannister | 34 | Wife | — | Canada English |
| 25 | Jennie Riordan | 8 | Cousin | — | Massachusetts |
| 26 | Walter Morrissey | 39 | Lodger | Chauffeur | Massachusetts |
| 27 | Ruby Powers | 20 | Lodger | Packer | Canada English |
| 28 | George Jackson | 33 | Head | Painter Maintenance | Canada English |
| 29 | Teresa Jackson | 33 | Wife | — | Canada English |
| 30 | Richard Jackson THIS PERSON | 12 | Son | — | Massachusetts |
| 31 | Margaret Jackson | 12 | Daughter | — | Massachusetts |
| 32 | Charles Jackson | 10 | Son | — | Massachusetts |
| 33 | Patsy Jackson | 6 | Daughter | — | Massachusetts |
| 34 | Mabel Jackson | 3 | Daughter | — | Massachusetts |
| 35 | Nancy Jackson | 2 | Daughter | — | Massachusetts |
| 36 | Joyce Ann Jackson | 0 | Daughter | — | Massachusetts |
| 37 | John Thompson | 66 | Head | Steam Fitter | England |
| 38 | Catherine Thompson | 65 | Wife | — | EIRE |
| 39 | Harold Thompson | 34 | Son | Mechanic | Massachusetts |
| 40 | Harold Thompson | 12 | Grandson | — | Massachusetts |
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)