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Helen Morgan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Helen Morgan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Morgan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| John Morgan | Son | — | 18 | ~1922 |
| Helen Morgan | Daughter | — | 14 | ~1926 |
| Catherine Morgan | Daughter | — | 12 | ~1928 |
| Elizabeth Morgan | Daughter | — | 15 | ~1925 |
| Martin Morgan | Head | — | 48 | ~1892 |
| Margaret Morgan | Daughter | — | 16 | ~1924 |
| Elizabeth Morgan | Spouse | — | 42 | ~1898 |
| Martin Morgan | Son | — | 10 | ~1930 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Helen J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 8 household members
| Surname | Morgan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 0 |
| Highest Grade | No 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 Helen Morgan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Morgan
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
Elizabeth Morgan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Morgan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Morgan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Morgan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Morgan
Sibling · 1940 · age 16
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
39 people indexed on this census page (nara:1940:m-t0627-01612-00983)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sullivan Sylvester O'Sullivan | 50 | Lodger | — | Massachusetts |
| 2 | Charles Walker | 50 | Head | Proprietor | England |
| 3 | Margaret Walker | 45 | Wife | — | Massachusetts |
| 5 | Martin Morgan | 48 | Head | Train Starter | Eire |
| 6 | Elizabeth Morgan | 42 | Wife | — | Massachusetts |
| 7 | John E. Morgan | 18 | Son | — | Massachusetts |
| 8 | Margaret Morgan | 16 | Daughter | — | Massachusetts |
| 9 | Elizabeth Morgan | 15 | Daughter | — | Massachusetts |
| 10 | Helen Morgan THIS PERSON | 14 | Daughter | — | Massachusetts |
| 11 | Catherine Morgan | 12 | Daughter | — | Massachusetts |
| 12 | Martin Morgan | 10 | Son | — | Massachusetts |
| 13 | Michael Galvin | 34 | Head | Clerk | Massachusetts |
| 14 | Catherine Galvin | 30 | Wife | — | Massachusetts |
| 15 | Cornelius Mccarthy | 46 | Head | Caulker | Massachusetts |
| 16 | Cornelius Mccarthy | 16 | Son | — | Massachusetts |
| 17 | Marie Mccarthy | 14 | Daughter | — | Massachusetts |
| 18 | Patricia Mccarthy | 10 | Daughter | — | Massachusetts |
| 19 | Ruth Mccarthy | 9 | Daughter | — | Massachusetts |
| 20 | Charles Mccarthy | 5 | Son | — | Massachusetts |
| 21 | Charles Watts | 48 | Head | Silk Buyer | Massachusetts |
| 22 | Catherine Watts | 43 | Wife | — | Massachusetts |
| 23 | Marie Watts | 14 | Daughter | — | Massachusetts |
| 24 | Kathleen Watts | 12 | Daughter | — | Massachusetts |
| 25 | Eileen Watts | 9 | Daughter | — | Massachusetts |
| 26 | Frederick Mcgovern | 40 | Head | Soap Maker | Massachusetts |
| 27 | Rose Mcgovern | 38 | Wife | — | Massachusetts |
| 28 | Carolyn Mcgovern | 17 | Daughter | — | Massachusetts |
| 29 | George Mcgovern | 15 | Son | — | Massachusetts |
| 30 | Frederick Mcgovern | 6 | Son | — | Massachusetts |
| 31 | William Mcgovern | 5 | Son | — | Massachusetts |
| 32 | Bernard Mcgovern | 2 | Son | — | Massachusetts |
| 33 | Patrick Hickey | 80 | Head | — | Massachusetts |
| 34 | Catherine Hickey | 76 | Wife | — | England |
| 35 | Helen Hickey | 37 | Son | Examiner Of Claims | Massachusetts |
| 36 | Harold Brown | 33 | Head | Warehouseman | Maine |
| 37 | Alice Brown | 33 | Wife | — | Canada English |
| 38 | Geraldine Brown | 9 | Daughter | — | Massachusetts |
| 39 | Harold Brown | 3 | Son | — | Massachusetts |
| 40 | Teresa Murphy | 29 | Sister in law | Cake Cutter | Canada English |
Related Census Records
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)