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Emma Wagner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Emma Wagner across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Wagner |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| George Wagner | Son | — | 20 | ~1920 |
| Gertrude Wagner | Daughter | — | 17 | ~1923 |
| George Wagner | Head | — | 51 | ~1889 |
| Ruth Wagner | Daughter | — | 8 | ~1932 |
| Elizabeth Wagner | Spouse | — | 46 | ~1894 |
| Alfred Wagner | Son | — | 13 | ~1927 |
| Elizabeth Wagner | Daughter | — | 9 | ~1931 |
| Emma Wagner | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 6
Middlesex, Massachusetts · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | Emma L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Holland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 15
Middlesex-County, Massachusetts · implied b. ~1925 — 8 household members
| Surname | Wagner |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 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 Emma Wagner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Wagner
Daughter · 1940 · age 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
George Wagner
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Wagner
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Wagner
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Wagner
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Wagner
Sibling · 1940 · age 13
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01609-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Wagner | 51 | Head | Stationary Fireman | Holland |
| 2 | Elizabeth Wagner | 46 | Wife | — | Holland |
| 3 | George Wagner | 20 | Son | Attendant | Massachusetts |
| 4 | Gertrude Wagner | 17 | Daughter | — | Massachusetts |
| 5 | Emma Wagner THIS PERSON | 15 | Daughter | — | Massachusetts |
| 6 | Alfred Wagner | 13 | Son | — | Massachusetts |
| 7 | Elizabeth Wagner | 9 | Daughter | — | Massachusetts |
| 8 | Ruth Wagner | 8 | Daughter | — | Massachusetts |
| 9 | John W. Mann | 71 | Head | — | Massachusetts |
| 10 | William Vider | 45 | Brother-in-law | Janitor | Massachusetts |
| 11 | Lucy Vider | 46 | Sister | — | Massachusetts |
| 12 | Richard Vider | 13 | Nephew | — | Massachusetts |
| 13 | Thomas H. Thorn | 31 | Nephew | Painter | Georgia |
| 14 | Harry Karey | 24 | Head | Pharmacist | Massachusetts |
| 15 | Anne Karey | 27 | Wife | Secretary | Massachusetts |
| 16 | Max Karey | 61 | Father | — | Russia |
| 17 | Samuel Kravitz | 46 | Head | Contractor | Russia |
| 18 | Rose Kravitz | 43 | Wife | — | Russia |
| 19 | Marvin P. Kravitz | 24 | Son | — | Massachusetts |
| 20 | Allan N. Kravitz | 14 | Son | — | Massachusetts |
| 21 | Otto B. Armstrong | 53 | Head | Tailor | Sweden |
| 22 | May O. Armstrong | 54 | Wife | Clerk | Massachusetts |
| 23 | Margaret Rambrook | 68 | Niece | — | New Jersey |
| 24 | Charles R. Armstrong | 36 | Step-Nephew | Painter | Massachusetts |
| 25 | Otto A. Armstrong | 34 | Step-Nephew | Coppersmith | Massachusetts |
| 26 | Louis Rudofsky | 69 | Head | Painter | Russia |
| 27 | Annie Rudofsky | 61 | Wife | — | Russia |
| 28 | Ida Rudofsky | 32 | Daughter | Bookkeeper | Russia |
| 29 | Samuel Rudofsky | 30 | Son | Shipper | Massachusetts |
| 30 | Edward Rudofsky | 23 | Son | Salesman | Massachusetts |
| 31 | Edward Starr | 31 | Head | Salesman | Italy |
| 32 | Ida B. Starr | 36 | Wife | — | Massachusetts |
| 33 | Jane Starr | 10 | Daughter | — | Massachusetts |
| 34 | Harold Starr | 9 | Son | — | Massachusetts |
| 35 | Patricia Starr | 1 | Daughter | — | Massachusetts |
| 36 | James Carrol | 41 | Head | Erector | Canada-Eng |
| 37 | Gertrude Carrol | 41 | Wife | — | Canada-Eng |
| 38 | Ernest Carrol | 15 | Son | — | Massachusetts |
| 39 | John Carrol | 14 | Son | — | Massachusetts |
| 40 | Mary Carrol | 12 | Daughter | — | Massachusetts |
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)