RS
Ronald Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Ronald Smith across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marshfield |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Weymouth |
| Est. Birth Year | ~1928 |
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 Ronald | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Smith | Son | — | 19 | ~1921 |
| Gordon Smith | Head | — | 45 | ~1895 |
| Ronald Smith | Son | — | 12 | ~1928 |
| Hazel Smith | Spouse | — | 46 | ~1894 |
| Gordon Smith | Son | — | 22 | ~1918 |
Census Appearances
1930
Norfolk, Massachusetts
Son, age 1
Norfolk, Massachusetts · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ronald W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Son, age 12
Norfolk-County, Massachusetts · implied b. ~1928 — 5 household members
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marshfield |
| 1935 Residence (County) | Plymouth |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Massachusetts |
| 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 Ronald Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Smith
Son · 1940 · age 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Kenneth Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Smith
Sibling · 1940 · age 22
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01634-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ralph S Wilder | 57 | Head | Agent | Massachusetts |
| 42 | Viola F Wilder | 49 | Wife | — | Massachusetts |
| 43 | Ralph S Jr Wilder | 23 | Son | Office | Massachusetts |
| 44 | Frances Wilder | 15 | Daughter | — | Massachusetts |
| 45 | John Macmurchie | 49 | Head | Supervisor | Scotland |
| 46 | Helen Macmurchie | 44 | Wife | — | Massachusetts |
| 47 | William Macmurchie | 21 | Son | Apprentice | Massachusetts |
| 48 | John Jr Macmurchie | 18 | Son | — | Massachusetts |
| 49 | Catherine Macmurchie | 16 | Daughter | — | Massachusetts |
| 50 | Rita Macmurchie | 12 | Daughter | — | Massachusetts |
| 51 | Robert Macmurchie | 10 | Son | — | Massachusetts |
| 52 | Patrick H Joyce | 53 | Head | Stationary Engineer | Ireland |
| 53 | Margaret Joyce | 55 | Wife | — | Ireland |
| 54 | Mary Joyce | 19 | Daughter | Clerical | Massachusetts |
| 55 | Margaret Joyce | 17 | Daughter | New Worker | Massachusetts |
| 56 | Leonard T Hart | 48 | Head | Laborer | Massachusetts |
| 57 | Anna M Hart | 44 | Wife | — | Massachusetts |
| 58 | Richard Hart | 23 | Son | Helper | Massachusetts |
| 59 | Leonard Jr Hart | 20 | Son | Helper | Massachusetts |
| 60 | Shirley Hart | 14 | Daughter | — | Massachusetts |
| 61 | Gordon Smith | 45 | Head | Carpenter | Massachusetts |
| 62 | Hazel Smith | 46 | Wife | — | Massachusetts |
| 63 | Gordon J Smith | 22 | Son | Carpenter | Massachusetts |
| 64 | Kenneth Smith | 19 | Son | Grader | Massachusetts |
| 65 | Ronald Smith THIS PERSON | 12 | Son | — | Massachusetts |
| 66 | Louis W Washburn | 23 | Head | Truck Driver | Massachusetts |
| 67 | Nellie R Washburn | 23 | Wife | — | Massachusetts |
| 68 | Sally A Washburn | 1 | Daughter | — | Massachusetts |
| 69 | Ruth M Bruce | 38 | Head | Clerk | Massachusetts |
| 70 | Thomas F Mccormack | 3 | Son | — | Massachusetts |
| 71 | Mary A Douglas | 76 | Head | — | New York |
| 72 | Lydia C Lee | 52 | Head | — | Illinois |
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)