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Helen Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Helen Riley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Morris & Annie — first a daughter (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Riley |
| Given Name | Helen L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Retail dress |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 728 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Saleslady |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1904 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Riley | Head | — | 63 | ~1877 |
| Helen Riley | Daughter | — | 36 | ~1904 |
| Wm Riley | Son | — | 28 | ~1912 |
| Helen Riley | Daughter | — | 38 | ~1902 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 16
Middlesex, Massachusetts · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Telephone |
| Industry | Phone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 26
Middlesex, Massachusetts · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Massachusetts |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 36
Middlesex-County, Massachusetts · implied b. ~1904 — 4 household members
| Surname | Riley |
| Given Name | Helen L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Occupation | Saleslady |
| Industry | Retail dress |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 728 |
| Highest Grade | Hs 4 |
| 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 Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Morris Riley (~0.92 confidence) and mother Annie Riley (~0.92 confidence) and mother Eleanor Riley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Morris Riley
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Annie Riley
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Eleanor Riley
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Riley
Daughter · 1940 · age 36 · b. ~1904 · Massachusetts
★ You are viewing this record
Sibling
Helen Riley
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wm Riley
Sibling · 1940 · age 28
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-t0627-01691-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jon Barrett | 14 | Son | — | Pennsylvania |
| 2 | Patricia Barrett | 10 | Daughter | — | Connecticut |
| 3 | Gertrude Woodward | 63 | Head | — | Massachusetts |
| 4 | Walter Murrough | 60 | Lodger | Rod Men | Massachusetts |
| 5 | Patrick Burrows | 67 | Lodger | — | Vermont |
| 6 | Henry O'Neil | 70 | Lodger | — | Maine |
| 7 | Robert Thomas | 55 | Head | Foreman | Massachusetts |
| 8 | Gertrude M Thomas | 55 | Wife | — | Massachusetts |
| 9 | Mary Thomas | 25 | Daughter | Stenographer | Massachusetts |
| 10 | Gertrude Thomas | 21 | Daughter | — | Massachusetts |
| 11 | Agnes R Cornell | 53 | Sister-law | Shoe Stitcher | Massachusetts |
| 12 | Alice J Cornell | 49 | Sister-law | Nurse | Massachusetts |
| 13 | Anna Cornell | 45 | Sister-law | — | Massachusetts |
| 14 | Lewis L Anthony | 34 | Head | Art | Massachusetts |
| 15 | Josephine V Anthony | 34 | Wife | — | Massachusetts |
| 16 | Robert Anthony | 13 | Son | — | Massachusetts |
| 17 | Lawrence Anthony | 12 | Son | — | Massachusetts |
| 18 | Henry S Anthony | 66 | Father-law | — | Rhode Island |
| 19 | Henry S Jr Anthony | 25 | Brother | Asst Chemist | Massachusetts |
| 20 | Patrick Brown | 32 | Head | Spinner | Massachusetts |
| 21 | Elizabeth Q Brown | 32 | Wife | — | Massachusetts |
| 22 | John Brown | 9 | Son | — | Massachusetts |
| 23 | Albert Murphy | 31 | Head | Foreman | Massachusetts |
| 24 | Catherine Murphy | 30 | Wife | — | Massachusetts |
| 25 | Catherine Murphy | 10 | Daughter | — | Massachusetts |
| 26 | Westley J Wiggins | 44 | Head | Foreman | New Hampshire |
| 27 | Berdena Wiggins | 43 | Wife | — | Vermont |
| 28 | Joyce Ann Hoyt | 13 | Niece-in-law | — | Massachusetts |
| 29 | Louise Donovan | 43 | Head | Sales Lady | Massachusetts |
| 30 | Florence Steeple | 55 | Lodger | Housekeeper | Canada-French |
| 31 | James Murphy | 30 | Head | Salesman | Massachusetts |
| 32 | Anna Q Murphy | 27 | Wife | — | Massachusetts |
| 33 | James Murphy | 4 | Son | — | Massachusetts |
| 34 | Murphy | 2 | Daughter | — | Massachusetts |
| 35 | Jeanie Stratton | 76 | Head | — | Canada-French |
| 36 | Caroline Prentiss | 18 | Maid | Housekeeper | Massachusetts |
| 37 | Eleanor Riley | 63 | Head | — | England |
| 38 | Helen Irene Riley | 38 | Daughter | Swearer | Massachusetts |
| 39 | Helen L Riley THIS PERSON | 36 | Daughter | Saleslady | Massachusetts |
| 40 | Wm George Riley | 28 | Son | Arsenal | Massachusetts |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 3 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)