CR
Charles Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Charles Riley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents George & Florence — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Riley |
| Given Name | Charles F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Reading Town |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Gear Cutter |
| Industry | Gear Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1196 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Gear Cutter |
| Township / Ward | Reading Town |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Helen Riley | Daughter | — | 20 | ~1920 |
| Rita Riley | Daughter | — | 26 | ~1914 |
| George Riley | Head | — | 57 | ~1883 |
| Charles Riley | Son | — | 23 | ~1917 |
| Francis Riley | Son | — | 26 | ~1914 |
| Florence Riley | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 39 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Charles J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Charles T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 23
Middlesex-County, Massachusetts · implied b. ~1917 — 6 household members
| Surname | Riley |
| Given Name | Charles F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Reading Town |
| 1935 Residence (County) | Middlesex |
| Occupation | Gear Cutter |
| Industry | Gear Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1196 |
| Highest Grade | H 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 Charles Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Riley (~0.92 confidence) and mother Florence Riley (~0.92 confidence) and father George Riley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Riley
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Florence Riley
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
George Riley
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Riley
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Rita Riley
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Riley
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Riley
Sibling · 1940 · age 20
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
31 people indexed on this census page (nara:1940:m-t0627-01617-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leonard E. Rose | 16 | Son | — | Massachusetts |
| 2 | John C. Rose | 14 | Son | — | Massachusetts |
| 3 | Francis W. Rose | 7 | Son | — | Massachusetts |
| 4 | George J. Riley | 57 | Head | Teller | Massachusetts |
| 5 | Florence J. Riley | 57 | Wife | — | Massachusetts |
| 6 | Francis J. Riley | 26 | Son | Auditor | Massachusetts |
| 7 | Charles F. Riley THIS PERSON | 23 | Son | Gear Cutter | Massachusetts |
| 8 | Rita L. Riley | 26 | Daughter | Salesgirl | Massachusetts |
| 9 | Helen T. Riley | 20 | Daughter | — | Massachusetts |
| 10 | Frank B. Mitchell | 63 | Head | Pressman | Canada English |
| 11 | Ann F. Mitchell | 63 | Wife | — | Scotland |
| 12 | Donald C. Mitchell | 22 | Son | Clerk | Massachusetts |
| 13 | Herbert L. Carter | 60 | Head | — | Rhode Island |
| 14 | Lillian L. Carter | 45 | Wife | — | Massachusetts |
| 15 | Pauline L. Carter | 20 | Daughter | Stenographer | Massachusetts |
| 16 | Herbert L. Jr. Carter | 18 | Son | New Worker | Massachusetts |
| 17 | Elizabeth L. Carter | 16 | Daughter | — | Massachusetts |
| 18 | Robert F. Carter | 14 | Son | — | Massachusetts |
| 19 | Jean B. Carter | 10 | Daughter | — | Massachusetts |
| 20 | David W. Carter | 3 | Son | — | Massachusetts |
| 21 | Anna S. Callahan | 70 | Head | — | Massachusetts |
| 22 | Catherine Callahan | 77 | Sister | — | Massachusetts |
| 23 | Edward Callahan | 68 | Brother | — | Massachusetts |
| 24 | Bridget M. Finnerty | 73 | Head | — | Ireland |
| 25 | Francis Mcsorley | 37 | Lodger | Section Hand | New Hampshire |
| 26 | Marion Mulcahy | 54 | Head | — | Ireland |
| 27 | Agnes Mulcahy | 43 | Sister | Housekeeper | Ireland |
| 28 | Arthur Simmons | 55 | Head | Iron Worker | Maine |
| 29 | Ruth Simmons | 23 | Daughter | Mother'S Helper | Massachusetts |
| 30 | Ray R. Cromwell | 47 | Head | Testman | Maine |
| 31 | Gladys B. Cromwell | 38 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Charles + 3 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)