CS
Charles Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Charles Smith across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Charles — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Smith |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Wetting machine operator |
| Industry | Wetting mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 588 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Wetting Machine Operator |
| Township / Ward | Chelsea |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Ida Smith | Daughter | — | 24 | ~1916 |
| Mary Smith | Head | — | 57 | ~1883 |
| Irving Smith | Son | — | 25 | ~1915 |
| Donald Smith | Son | — | 19 | ~1921 |
| Charles Smith | Son | — | 29 | ~1911 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Charles H Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Suffolk, Massachusetts
Son, age 19
Suffolk, Massachusetts · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Charles P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | U.S. |
| Mother's Birthplace | Massachusetts |
| Occupation | Boy good store |
| Industry | General Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Suffolk-County, Massachusetts
Son, age 29
Suffolk-County, Massachusetts · implied b. ~1911 — 5 household members
| Surname | Smith |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Occupation | Wetting machine operator |
| Industry | Wetting mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 588 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Callahan (~0.92 confidence) and father Charles Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Callahan
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Smith
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Donald Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Smith
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irving Smith
Sibling · 1940 · age 25
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01642-00234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew J. Belliveau | 38 | Head | Mechanic - Oil Burner | Massachusetts |
| 42 | Irene V. Belliveau | 32 | Wife | — | Massachusetts |
| 43 | Kathleen Belliveau | 6 | Daughter | — | Massachusetts |
| 44 | Andrew J. Belliveau | 0 | Son | — | Massachusetts |
| 45 | Jeremiah Foley | 30 | Head | Press Feeder | Massachusetts |
| 46 | Mary Alice Foley | 30 | Wife | — | Massachusetts |
| 47 | Mary I. Smith | 57 | Head | — | Massachusetts |
| 48 | Charles H. Smith THIS PERSON | 29 | Son | Wetting Machine Operator | Rhode Island |
| 49 | Irving A. Smith | 25 | Son | Pressman | Massachusetts |
| 50 | Ida M. Smith | 24 | Daughter | File Clerk And Typist | Massachusetts |
| 51 | Donald G. Smith | 19 | Son | Errand Boy | Massachusetts |
| 52 | Elizabeth Garrard | 73 | Head | — | Massachusetts |
| 53 | William H. Garrard | 48 | Son | — | Massachusetts |
| 54 | James Garrard | 47 | Son | Laundry Agent | Massachusetts |
| 55 | Marion R. Bassett | 38 | Daughter | Stenographer | Massachusetts |
| 56 | Stephanie Bassett | 6 | Granddaughter | — | Massachusetts |
| 57 | George W. Cass | 55 | Head | Police Officer | Massachusetts |
| 58 | Katherine S. Cass | 63 | Wife | — | Massachusetts |
| 59 | Philip Frisella | 53 | Head | Shoe Cutter | Italy |
| 60 | Louise D. Frisella | 50 | Wife | — | Italy |
| 61 | Elma Frisella | 19 | Daughter | Box Worker | Massachusetts |
| 62 | Ralph Frisella | 17 | Son | New Worker | Massachusetts |
| 63 | Edward Frisella | 14 | Son | — | Massachusetts |
| 64 | Alfred Frisella | 8 | Son | — | Massachusetts |
| 65 | Eliza C. Huddell | 70 | Head | — | Massachusetts |
| 66 | Percy Huddell | 44 | Son | Foreman | Massachusetts |
| 67 | Robert Huddell | 40 | Head | Employee | Massachusetts |
| 68 | Madeline R. Huddell | 16 | Daughter | — | Massachusetts |
| 69 | Elizabeth C. Huddell | 15 | Daughter | — | Massachusetts |
| 70 | Dennis A. Cusick | 68 | Head | Custodian Janitor | Maine |
| 71 | Bridget A. Cusick | 63 | Wife | — | Massachusetts |
| 72 | John Cusick | 29 | Son | Fireman | Massachusetts |
| 73 | Vincent Cusick | 24 | Son | Truck Driver | Massachusetts |
| 74 | Irene Andersson | 32 | Daughter | — | Massachusetts |
| 75 | Ernest Andersson | 32 | Son-in-law | Coal Truck Driver | Massachusetts |
| 76 | Joseph Tatelman | 39 | Head | Wool Dealer | New Hampshire |
| 77 | Helen Tatelman | 38 | Wife | — | Massachusetts |
| 78 | Betty Tatelman | 11 | Daughter | — | Massachusetts |
| 79 | David Tutum | 68 | Head | Tailor | Russia |
| 80 | Ida Tutum | 63 | Wife | — | Russia |
Pedigree Summary
Charles + 3 siblings
Gen 1 · 4 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)