JW
John Welch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Welch across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Annie — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Welch | Daughter | — | 15 | ~1925 |
| Marjorie Welch | Daughter | — | 21 | ~1919 |
| Edward Welch | Head | — | 53 | ~1887 |
| Joan Batelli | Other | — | 2 | ~1938 |
| Joseph Batelli | Other | — | 30 | ~1910 |
| John Welch | Son | — | 23 | ~1917 |
| Ruth Batelli | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| 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 John Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Welch (~0.92 confidence) and mother Annie Welch (~0.92 confidence) and father Edward Welch (~0.92 confidence) and father Edward Welch (~0.92 confidence) and mother Julia Welch (~0.92 confidence) and mother Ruth Batelli (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Joseph Welch
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Annie Welch
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Edward Welch
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Edward Welch
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Julia Welch
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Ruth Batelli
b. ~1915
Source mother
● Household
· direct · ~0.6
This person
Anchor record
John Welch
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Marjorie Welch
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Welch
Sibling · 1940 · age 15
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-t0627-01681-00217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy L. Frenert | 8 | Daughter | — | Massachusetts |
| 2 | Allan B. Lewis | 46 | Head | Salesman | New Jersey |
| 3 | Cora B. Lewis | 46 | Wife | — | Maine |
| 4 | Jeanette V. Huntington | 38 | Head | Housekeeper | New York |
| 5 | Joan Huntington | 13 | Daughter | — | Massachusetts |
| 6 | Jeanette Huntington | 11 | Daughter | — | Massachusetts |
| 7 | Janet Huntington | 11 | Daughter | — | Massachusetts |
| 8 | John Donahue | 33 | Lodger | Horseman | Massachusetts |
| 9 | Violet Donahue | 38 | Lodger | — | England |
| 10 | Mary J. Donahue | 25 | Lodger | — | Massachusetts |
| 11 | Joseph Gilland | 25 | Lodger | Tree Surgeon | Massachusetts |
| 12 | David A. Frenert | 38 | Lodger | General Representative | Massachusetts |
| 13 | Clara Frenert | 33 | Wife | — | Massachusetts |
| 14 | William Frenert | 12 | Son | — | Massachusetts |
| 15 | Gertrude A. Mala | 58 | Lodger (m) | Waitress | New York |
| 16 | Eleanor Mala | 25 | Lodger (d) | Cashier | Massachusetts |
| 17 | Edward F. Welch | 53 | Head | Chauffeur | Massachusetts |
| 18 | John Welch THIS PERSON | 23 | Son | — | Massachusetts |
| 19 | Marjorie Welch | 21 | Daughter | Stenographer | Massachusetts |
| 20 | Mary Welch | 15 | Daughter | — | Massachusetts |
| 21 | Joseph Batelli | 30 | Lodger | Waiter | Massachusetts |
| 22 | Ruth Batelli | 25 | Wife | — | Massachusetts |
| 23 | Joan Batelli | 2 | Granddaughter | — | Massachusetts |
| 24 | Thomas Mcniff | 52 | Head | Stationary Engineer | Rhode Island |
| 25 | Catherine A. Mcniff | 50 | Wife | — | Rhode Island |
| 26 | Mary Mcniff | 21 | Daughter | Salesgirl | Massachusetts |
| 27 | Alice Mcniff | 18 | Daughter | Nurse Student | Massachusetts |
| 28 | Thomas Mcniff | 16 | Son | — | Massachusetts |
| 29 | Joseph Mcniff | 12 | Son | — | Massachusetts |
| 30 | Robert Mcniff | 10 | Son | — | Massachusetts |
| 31 | Mary Landers | 57 | Head | — | Rhode Island |
| 32 | Cedric T. Landers | 34 | Son | Auto School | Rhode Island |
| 33 | Freda Johnston | 28 | Cousin | Secretary | Massachusetts |
| 34 | Edward Flynn | None | Lodger | — | — |
| 35 | Agnes Flynn | None | Lodger | — | — |
| 36 | Mary L. Mcnamara | 32 | Head | — | Massachusetts |
| 37 | Mary Mcnamara | 81 | Lodger | — | Massachusetts |
| 38 | Raphael A. Kaminski | 35 | Head | Grocer | Puerto Rico |
| 39 | Ruth Kaminski | 36 | Wife | — | Maine |
| 40 | Peter Kaminski | 5 | Son | — | Maine |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 parents
~0.87
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)