RM
Robert Morgan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Morgan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Morgan |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | DUNSTABLE Town |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Dunstable Town |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Jean Morgan | Daughter | — | 10 | ~1930 |
| Ellan Morgan | Daughter | — | 16 | ~1924 |
| Harriet Morgan | Daughter | — | 17 | ~1923 |
| Elizabeth Morgan | Daughter | — | 5 | ~1935 |
| Marie Morgan | Daughter | — | 11 | ~1929 |
| Helene Morgan | Daughter | — | 12 | ~1928 |
| William Morgan | Head | — | 57 | ~1883 |
| William Webster | Other | — | 21 | ~1919 |
| Donald Morgan | Son | — | 3 | ~1937 |
| Henry Morgan | Son | — | 8 | ~1932 |
| Robert Morgan | Son | — | 14 | ~1926 |
| Lillian Morgan | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 12 household members
| Surname | Morgan |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | DUNSTABLE Town |
| 1935 Residence (County) | MIDDLESEX |
| Highest Grade | 8 |
| 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 Robert Morgan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Morgan
Son · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Jean Morgan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Morgan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Morgan
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellan Morgan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helene Morgan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Morgan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Morgan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Morgan
Sibling · 1940 · age 5
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-t0627-01603-01278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Rafferty | 50 | Head | Stone Cutter | Massachusetts |
| 2 | Elodie Rafferty | 50 | Wife | — | New Hampshire |
| 3 | John E. Jr. Rafferty | 20 | Son | Chauffeur | Massachusetts |
| 4 | Frank H. Hersey | 37 | Head | Gardner | Massachusetts |
| 5 | Rena D. Hersey | 33 | Wife | — | New Hampshire |
| 6 | Edna J. Hersey | 14 | Daughter | — | New Hampshire |
| 7 | Priscilla Hersey | 11 | Daughter | — | New Hampshire |
| 8 | Ruth V. Hersey | 8 | Daughter | — | Massachusetts |
| 9 | Marion V. Hersey | 7 | Daughter | — | Massachusetts |
| 10 | John L. Lemay | 31 | Head | Truck Driver | Massachusetts |
| 11 | Frances B. Lemay | 32 | Wife | — | Northern Ireland |
| 12 | Mary R. Lemay | 11 | Daughter | — | Massachusetts |
| 13 | Frances J. Lemay | 10 | Daughter | — | Massachusetts |
| 14 | Joan E. Lemay | 5 | Daughter | — | Massachusetts |
| 15 | John J. Lemay | 3 | Son | — | Massachusetts |
| 16 | Bryon W. Lemay | 1 | Son | — | Massachusetts |
| 17 | William R. Morgan | 57 | Head | Farmer | Massachusetts |
| 18 | Lillian F. Morgan | 50 | Wife | — | Massachusetts |
| 19 | Harriet E. Morgan | 17 | Daughter | — | Massachusetts |
| 20 | Ellan L. Morgan | 16 | Daughter | — | Massachusetts |
| 21 | Robert L. Morgan THIS PERSON | 14 | Son | — | Massachusetts |
| 22 | Helene A. Morgan | 12 | Daughter | — | Massachusetts |
| 23 | Marie A. Morgan | 11 | Daughter | — | Massachusetts |
| 24 | Jean E. Morgan | 10 | Daughter | — | Massachusetts |
| 25 | Henry A. Morgan | 8 | Son | — | Massachusetts |
| 26 | Donald E. Morgan | 3 | Son | — | Massachusetts |
| 27 | Elizabeth L. Morgan | 5 | Daughter | — | Massachusetts |
| 28 | William H. Webster | 21 | Hired Hand | Farming | New Hampshire |
| 29 | Clayton W. Davis | 44 | Head | Doffer | Massachusetts |
| 30 | Clara J. Davis | 43 | Wife | — | New Hampshire |
| 31 | Archer H. Davis | 17 | Son | Laborer | Massachusetts |
| 32 | Ann J. Davis | 15 | Daughter | — | Massachusetts |
| 33 | Sally A. Davis | 14 | Daughter | — | New Hampshire |
| 34 | Mary F. Davis | 12 | Daughter | — | Massachusetts |
| 35 | Marjory P. Davis | 8 | Daughter | — | Massachusetts |
| 36 | Clifton E. Davis | 7 | Son | — | Massachusetts |
| 37 | Martha C. Davis | 4 | Daughter | — | Massachusetts |
| 38 | Herbert J. Swallow | 70 | Head | Farmer | Massachusetts |
| 39 | Harry S. Swallow | 72 | Brother | Laborer | Massachusetts |
| 40 | Florence B. Swallow | 65 | Wife | — | New Hampshire |
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)