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Margaret Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Margaret Welch across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 4-person household.
Age 66
b. ~1874
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Welch |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1874 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Welch | Spouse | — | 66 | ~1874 |
| William Welch | Head | — | 60 | ~1880 |
| Margarette Welch | Daughter | — | 20 | ~1920 |
| Marietta Welch | Daughter | — | 38 | ~1902 |
Census Appearances
1920
Mercer, New …
Spouse, age 40
Mercer, New Jersey · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Spouse, age 51
Mercer, New Jersey · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 25 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Spouse, age 66
Mercer-County, New Jersey · implied b. ~1874 — 4 household members
| Surname | Welch |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Margaret Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Welch
Spouse · 1940 · age 66 · b. ~1874 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02436-00162)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katherine Bago | 64 | Mother-in-law | — | Yugoslavia |
| 42 | Albert Hulick | 34 | Head | Mechanic | Hungary |
| 43 | Irma A Hulick | 29 | Wife | — | New Jersey |
| 44 | Claire Hulick | 7 | Daughter | — | New Jersey |
| 45 | Jacob Gish | 30 | Head | Truck Driver | New Jersey |
| 46 | Anna O Gish | 25 | Wife | — | New Jersey |
| 47 | Joan Gish | 8 | Daughter | — | New Jersey |
| 48 | Jacob Jr. Gish | 6 | Son | — | New Jersey |
| 49 | Raymond Gish | 4 | Son | — | New Jersey |
| 50 | Stephen Matlack | 46 | Head | Heater Plate | New Jersey |
| 51 | Katherine Matlack | 39 | Wife | Operator | Yugoslavia |
| 52 | Frank Baia | 39 | Head | Electrician Helper | Hungary |
| 53 | Emma Baia | 35 | Wife | — | Czechoslovakia |
| 54 | Evelyn Baia | 4 | Daughter | — | New Jersey |
| 55 | Robert Baia | 1 | Son | — | New Jersey |
| 56 | Arson O Simon | 29 | Head | Machinery Cleaner | Moldavia |
| 57 | Elizabeth Simon | 24 | Wife | — | West Virginia |
| 58 | Victor Simon | 4 | Son | — | New Jersey |
| 59 | Mary Simon | 3 | Daughter | — | New Jersey |
| 60 | Arson Jr. Simon | 0 | Son | — | New Jersey |
| 61 | Julia Nagy | 39 | Head | — | Hungary |
| 62 | Betty Nagy | 20 | Daughter | Ringer Maker | New Jersey |
| 63 | Frank Nagy | 18 | Son | Truck Driver | New Jersey |
| 64 | Charles Nagy | 15 | Son | — | Michigan |
| 65 | Joseph Clady | 44 | Head | Labor | Hungary |
| 66 | Susan O Clady | 36 | Wife | — | Hungary |
| 67 | Joseph Jr. Clady | 16 | Son | — | New Jersey |
| 68 | Adaline Clady | 14 | Daughter | — | New Jersey |
| 69 | Geraldine Clady | 12 | Daughter | — | New Jersey |
| 70 | Robert Clady | 9 | Son | — | New Jersey |
| 71 | John Korn | 46 | Head | Cement Finisher | Pennsylvania |
| 72 | Mary O Korn | 47 | Wife | — | New Jersey |
| 73 | Blake Turner | 23 | Step-son | Folder | New Jersey |
| 74 | John Turner | 16 | Step-son | — | New Jersey |
| 75 | William Welch | 60 | Head | Furnace Helper | Scotland |
| 76 | Margaret A Welch THIS PERSON | 66 | Wife | — | New Jersey |
| 77 | Marietta Welch | 38 | Daughter | Operator | New Jersey |
| 78 | Margarette Welch | 20 | Daughter | — | New Jersey |
| 79 | Sebastian Massaro | 31 | Head | Trackman | New Jersey |
| 80 | Josephine B Massaro | 24 | Wife | — | New Jersey |
Related Census Records
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)