JS
Joseph Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Joseph Smith across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Smith |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1913 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mildred Smith | Daughter | — | 8 | ~1932 |
| Harry Smith | Head | — | 59 | ~1881 |
| Joseph Smith | Son | — | 27 | ~1913 |
| Raymond Smith | Son | — | 22 | ~1918 |
| Harriet Smith | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Essex-County, Massachusetts
Son, age 27
Essex-County, Massachusetts · implied b. ~1913 — 5 household members
| Surname | Smith |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Essex |
| Highest Grade | G 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 Joseph Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Smith (~0.92 confidence) and father Harry Smith (~0.92 confidence) and mother Gertrude Smith (~0.92 confidence) and mother Harriet Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Harry Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Gertrude Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Harriet Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Smith
Son · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Mildred Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01583-00429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John S Mills | 4 | grand-son | Same Place | — |
| 42 | William Cavanaugh | 42 | head | 2 | Massachusetts |
| 43 | Agnes Cavanaugh | 36 | wife | 16 | Massachusetts |
| 44 | William Cavanaugh | 15 | son | — | Massachusetts |
| 45 | John Cavanaugh | 14 | son | — | Massachusetts |
| 46 | Francis Cavanaugh | 13 | son | — | Massachusetts |
| 47 | Richard Johnson | 45 | head | 44 | New York |
| 48 | Evelyn S Johnson | 39 | wife | — | New York |
| 49 | Phyllis E Johnson | 15 | daughter | — | Massachusetts |
| 50 | Evelyn R Johnson | 14 | daughter | — | Massachusetts |
| 51 | Eileen Johnson | 10 | daughter | — | Massachusetts |
| 52 | Richard J Johnson | 9 | son | — | Massachusetts |
| 53 | Robert Johnson | 7 | son | — | Massachusetts |
| 54 | Arthur Johnson | 3 | son | — | Massachusetts |
| 55 | Walter Johnson | 1 | son | — | Massachusetts |
| 56 | Eleanor Johnson | 36 | sister | Binder-Cement | Irish Free State |
| 57 | John Sienkiewicz | 36 | head | Manager-Owner | Russia |
| 58 | Fannie Sienkiewicz | 55 | wife | — | Russia |
| 59 | Edward Sienkiewicz | 34 | son | 50 | Massachusetts |
| 60 | Evelyn Sienkiewicz | 23 | daughter | 40 | Massachusetts |
| 61 | Morris Sienkiewicz | 19 | son | H5 | Massachusetts |
| 62 | Samuel Mylatow | 74 | father-in-law | — | Russia |
| 63 | Alfred L Clarke | 36 | head | 4 | New England |
| 64 | Lillian M Clarke | 34 | wife | 40 | Massachusetts |
| 65 | Nancy C F Clarke | 13 | daughter | — | Massachusetts |
| 66 | Jeratane E Clarke | 9 | daughter | — | Massachusetts |
| 67 | Robert T Clarke | 7 | son | — | Massachusetts |
| 68 | George W Clarke | 4 | son | — | Massachusetts |
| 69 | Blanche M Clarke | 0 | daughter | — | Massachusetts |
| 70 | Harry Smith | 59 | head | 40 | Massachusetts |
| 71 | Harriet Smith | 53 | wife | — | Massachusetts |
| 72 | Joseph Smith THIS PERSON | 27 | son | — | Massachusetts |
| 73 | Raymond Smith | 22 | son | 40 | Massachusetts |
| 74 | Mildred Smith | 8 | daughter | — | Massachusetts |
| 75 | Hannah Sung | 80 | head | — | Irish Free State |
| 76 | Sophie Shinko | 43 | head | Owner-Manager | Poland |
| 77 | Anastasia Shinko | 25 | daughter | 2 | Massachusetts |
| 78 | Joseph Shinko | 17 | son | — | Massachusetts |
| 79 | Daniel Vaillancourt | 43 | head | Ditch Digger | Canada-French |
| 80 | Margaret Vaillancourt | 40 | wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Joseph + 2 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)