EW
Emma Wolf — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Emma Wolf across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 2-person household.
Age 76
b. ~1864
Female
Head
Born: Germany
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1864 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Louise Wolf | Daughter | — | 31 | ~1909 |
| Emma Wolf | Head | — | 76 | ~1864 |
Census Appearances
1920
Mercer, New …
Spouse, age 55
Mercer, New Jersey · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Mercer, New …
Other, age 65
Mercer, New Jersey · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Alien |
| Year of Immigration | 1895 |
| Age at First Marriage | 41 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Mercer-County, New …
Head, age 76
Mercer-County, New Jersey · implied b. ~1864 — 2 household members
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Alien |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Emma Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Wolf
Head · 1940 · age 76 · b. ~1864 · 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-t0627-02436-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucia Revely | 26 | Grand-daughter | Clerk | New Jersey |
| 42 | George Roman | 50 | Head | Carpenter | Czechoslovakia |
| 43 | Anna Roman | 45 | Wife | — | Hungarian |
| 44 | George Jr. Roman | 24 | Son | Laborer | New York |
| 45 | Mary Roman | 23 | Daughter | Inspector | New York |
| 46 | Florence Roman | 20 | Daughter | Inspector | New York |
| 47 | John Roman | 17 | Son | — | New Jersey |
| 48 | Mary Kosczik | 77 | Mother | — | Czechoslovakia |
| 49 | George Brol | 57 | Head | Yard Boss | Pennsylvania |
| 50 | Elizabeth Brol | 57 | Wife | — | England |
| 51 | Alfred Brol | 30 | Son | Handy Man | New Jersey |
| 52 | Gottlieb Geiser | 54 | Head | Laborer | Germany |
| 53 | Walter Geiser | 29 | Son | Connector | New Jersey |
| 54 | Mary Getze | 44 | Housekeeper | House Keeper | New Jersey |
| 55 | William Williams | 52 | Head | Metal Polisher | New Jersey |
| 56 | Elsie Williams | 47 | Wife | — | New Jersey |
| 57 | Richard Williams | 22 | Son | Lithographer | New Jersey |
| 58 | May Williams | 11 | Daughter | — | New Jersey |
| 59 | Patricia Williams | 2 | Daughter | — | New Jersey |
| 60 | James Hochschild | 36 | Lodger | Assembler | New Jersey |
| 61 | Bernard Fauth | 66 | Boarder | — | New Jersey |
| 62 | Loretta Weskels | 46 | Head | Stenographer | New Jersey |
| 63 | Christina Weskels | 79 | Mother | — | Czechoslovakia |
| 64 | John Clinton | 61 | Head | Stage Work | New Jersey |
| 65 | Margaret Clinton | 32 | Wife | — | New Jersey |
| 66 | John, Jr. Clinton | 9 | Son | — | New Jersey |
| 67 | Margaret Clinton | 7 | Daughter | — | New Jersey |
| 68 | Clarence Marsh | 26 | Head | Sales Man | New Jersey |
| 69 | Florence Marsh | 30 | Wife | — | New Jersey |
| 70 | Judith Marsh | 2 | Daughter | — | New Jersey |
| 71 | Michael Koschik | 35 | Head | Laborer | New Jersey |
| 72 | Mary Koschik | 29 | Wife | Machine Operator | Pennsylvania |
| 73 | Eleanor Koschik | 9 | Daughter | — | New Jersey |
| 74 | John Koschik | 52 | Uncle | Laborer | Czechoslovakia |
| 75 | William Pfeffinger | 31 | Head | Drafting | New Jersey |
| 76 | Helen Pfeffinger | 28 | Wife | — | New Jersey |
| 77 | William, H. Pfeffinger | 1 | Son | — | New Jersey |
| 78 | Emma Wolf THIS PERSON | 76 | Head | — | Germany |
| 79 | Louise Wolf | 31 | Daughter | Stenographer | New Jersey |
| 80 | Michael Klocsok | 54 | Head | Wire Drawer | Czechoslovakia |
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)