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Mary Byrd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salem-County, New Jersey
Our Model Tree links this Mary Byrd across the 1930 and 1940 US Censuses in Salem-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salem-County, New Jersey |
| Surname | Byrd |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | King & Queen |
| Additional Details | |
| Occupation | Hired Hand |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 5 |
| Highest Grade | No 4 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Hired Hand |
| Township / Ward | Upper Penns Neck |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Samuel Byrd | Son | — | 20 | ~1920 |
| James Byrd | Son | — | 22 | ~1918 |
| Virginia Byrd | Daughter | — | 13 | ~1927 |
| Mary Byrd | Daughter | — | 19 | ~1921 |
| Catherine Byrd | Daughter | — | 9 | ~1931 |
| Walter Byrd | Son | — | 17 | ~1923 |
| Franklin Byrd | Son | — | 15 | ~1925 |
| Purnell Byrd | Son | — | 13 | ~1927 |
| James Byrd | Head | — | 48 | ~1892 |
| Mattie Byrd | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrd |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Salem-County, New …
Daughter, age 19
Salem-County, New Jersey · implied b. ~1921 — 10 household members
| Surname | Byrd |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | King & Queen |
| Occupation | Hired Hand |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 5 |
| Highest Grade | No 4 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Byrd across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Byrd
Daughter · 1940 · age 19 · b. ~1921 · New Jersey
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Sibling
Samuel Byrd
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Byrd
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Byrd
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Byrd
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Byrd
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Byrd
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Purnell Byrd
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 — Salem-County, New Jersey
Open full size
1940 US Federal Census — Salem-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02381-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michael Bestrimonchi | 20 | son | Farmer | New Jersey |
| 42 | Anthony Bestrimonchi | 16 | son | — | New Jersey |
| 43 | Michael Gulrich|Gubrich | 53 | Hired Hand | Hired Hand | Russia |
| 44 | Joseph Shea | 40 | Head | Operator | Wisconsin |
| 45 | Clara Shea | 38 | Wife | — | Wisconsin |
| 46 | Harold Shea | 12 | son | — | Wisconsin |
| 47 | Lawrence Shea | 8 | son | — | Wisconsin |
| 48 | Arlene Shea | 6 | daughter | — | Wisconsin |
| 49 | Maxine Shea | 5 | daughter | — | Wisconsin |
| 50 | Florence Shea | 3 | daughter | — | Wisconsin |
| 51 | Garrett Cavin | 56 | Head | Labor Foreman | W. Virginia |
| 52 | Velma Cavin | 53 | Wife | — | Ohio |
| 53 | Octavia H. Cavin | 25 | daughter | — | Ohio |
| 54 | Benjamin Hunt | 70 | Head | Farmer | New Jersey |
| 55 | Rebecca Hunt | 68 | Wife | — | New Jersey |
| 56 | Verna Hunt | 41 | daughter | — | New Jersey |
| 57 | William Canan | 48 | Head | Farmer | New Jersey |
| 58 | Marie Canan | 46 | Wife | — | New Jersey |
| 59 | John Cook | 22 | Hired Hand | Hired Hand | Virginia |
| 60 | Leon Cook | 21 | Hired Hand | Hired Hand | Virginia |
| 61 | John W. Eastbury | 24 | Hired Hand | Hired Hand | Virginia |
| 62 | Frank Cherry | 44 | Hired Hand | Hired Hand | New Jersey |
| 63 | James Byrd | 48 | Head | Hired Hand | Virginia |
| 64 | Mattie Byrd | 50 | Wife | — | Virginia |
| 65 | James Jr. Byrd | 22 | son | Hired Hand | Virginia |
| 66 | Samuel Byrd | 20 | son | Hired Hand | Virginia |
| 67 | Mary Byrd THIS PERSON | 19 | daughter | Hired Hand | Virginia |
| 68 | Walter Byrd | 17 | son | Hired Hand | Virginia |
| 69 | Franklin Byrd | 15 | son | Hired Hand | Virginia |
| 70 | Virginia Byrd | 13 | daughter | Hired Hand | Virginia |
| 71 | Catherine Byrd | 9 | daughter | — | Virginia |
| 72 | Purnell Byrd | 13 | son | — | Virginia |
| 73 | Walter F. Graham | 44 | Head | Farmer | New Jersey |
| 74 | Walter C. Graham | 19 | son | Lead Burner Helper | New Jersey |
| 75 | Harry Graham | 17 | son | Farmer | New Jersey |
| 76 | Elsie Graham | 14 | daughter | — | New Jersey |
| 77 | Warren Graham | 12 | son | — | New Jersey |
| 78 | Helen Graham | 10 | daughter | — | New Jersey |
| 79 | Elizabeth Graham | 8 | daughter | — | New Jersey |
| 80 | John R. Graham | 6 | son | — | 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)