MH
Mary Horn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Mary Horn across the 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Horn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Haddonfield Borough |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same home |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Haddonfield Borough |
| Est. Birth Year | ~1924 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| William Horn | Head | — | 65 | ~1875 |
| Kathryn Horn | Daughter | — | 22 | ~1918 |
| Mary Horn | Daughter | — | 16 | ~1924 |
| Eleanor Horn | Daughter | — | 15 | ~1925 |
| Albert Horn | Son | — | 19 | ~1921 |
| Robert Horn | Son | — | 6 | ~1934 |
| Thos Horn | Son | — | 21 | ~1919 |
| Pauline Horn | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Camden, New …
Daughter, age 3
Camden, New Jersey · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Horn |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Daughter, age 16
Camden-County, New Jersey · implied b. ~1924 — 8 household members
| Surname | Horn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Haddonfield Borough |
| 1935 Residence (County) | Camden |
| Highest Grade | Hs 1 |
| 1935 Residence | Same home |
| 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 Mary Horn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Horn
Daughter · 1940 · age 16 · b. ~1924 · New Jersey
★ You are viewing this record
Sibling
Eleanor Horn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Horn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Horn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thos Horn
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Horn
Sibling · 1940 · age 6
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 — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02322-00091)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Birmingham | 24 | Head | Truck Driver | New Jersey |
| 42 | Mary Birmingham | 27 | Wife | — | New Jersey |
| 43 | Leo Karr | 33 | Head | Electrical | Penna |
| 44 | Marion Karr | 35 | Wife | Bookkeeper | New Jersey |
| 45 | John Peters | 48 | Head | Proprietor | Penna |
| 46 | Ethel Peters | 41 | Wife | — | Penna |
| 47 | Judith Peters | 2 | Daughter | — | New Jersey |
| 48 | Sadie Fisher | 61 | Mother-in-law | — | Penna |
| 49 | William Mueller | 63 | Head | Proprietor | Germany |
| 50 | Elizabeth Mueller | 58 | Wife | — | Germany |
| 51 | Samuel Cutter | 50 | Head | Proprietor | Russia |
| 52 | Elizabeth Cutter | 48 | Wife | — | Russia |
| 53 | John Cutter | 17 | Son | — | New Jersey |
| 54 | Martin Cutter | 13 | Son | — | New Jersey |
| 55 | Elizabeth G. Karr | 48 | Head | — | Connecticut |
| 56 | Joseph Grill | 41 | Head | Painter | Maryland |
| 57 | Helen Grill | 41 | Wife | — | New Jersey |
| 58 | Virginia Grill | 22 | Daughter | Saleslady | New Jersey |
| 59 | William Horn | 65 | Head | Watchman | Penna |
| 60 | Pauline R. Horn | 46 | Wife | — | New Jersey |
| 61 | Kathryn Horn | 22 | Daughter | Wrapper | New Jersey |
| 62 | Thos. Horn | 21 | Son | Janitor | New Jersey |
| 63 | Albert Horn | 19 | Son | — | New Jersey |
| 64 | Mary Horn THIS PERSON | 16 | Daughter | — | New Jersey |
| 65 | Eleanor Horn | 15 | Daughter | — | New Jersey |
| 66 | Robert Horn | 6 | Son | — | New Jersey |
| 67 | John Horton | 39 | Head | Proprietor | Penna |
| 68 | Jane Horton | 26 | Wife | — | Louisiana |
| 69 | Florence Horton | 15 | Daughter | — | California |
| 70 | Sallie Jane Horton | 6 | Daughter | — | New Jersey |
| 71 | Edith Hirschman | 41 | Head | Proprietor | Penna |
| 72 | Chas. S. Hopkins | 26 | Son-in-law | Clerk | New Jersey |
| 73 | Betty Hopkins | 23 | Daughter | Saleslady | New York |
| 74 | James Taylor | 48 | Head | Chauffeur | New Jersey |
| 75 | Mary A. Taylor | 52 | Wife | — | Ireland |
| 76 | Eleanor H. Taylor | 25 | Daughter | Factory Hand | New Jersey |
| 77 | James A. Taylor | 21 | Son | — | New Jersey |
| 78 | Donald J. Taylor | 14 | Son | — | New Jersey |
| 79 | William Heintz | 30 | Head | Credit Dept. | Penna |
| 80 | Ruth Heintz | 32 | Wife | Sales Lady | New Jersey |
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)