MJ
Mary Joyce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rockingham-County, North Carolina
Our Model Tree links this Mary Joyce across the 1930 and 1940 US Censuses in Rockingham-County, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rockingham-County, North Carolina |
| Surname | Joyce |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | C |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Mayodan town |
| 1935 Residence (County) | Rockingham |
| Additional Details | |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 192 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Cook |
| Township / Ward | Mayodan Town |
| Est. Birth Year | ~1919 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Moses Joyce | Son | — | 12 | ~1928 |
| Charlie Joyce | Son | — | 17 | ~1923 |
| Theodore Joyce | Son | — | 9 | ~1931 |
| Ruth Joyce | Daughter | — | 2 | ~1938 |
| Mary Joyce | Daughter | — | 21 | ~1919 |
| Thelma Joyce | Daughter | — | 13 | ~1927 |
| Edward Joyce | Son | — | 19 | ~1921 |
| Lulu Joyce | Spouse | — | 42 | ~1898 |
| Lillian Joyce | Daughter | — | 16 | ~1924 |
| Robert Joyce | Head | — | 45 | ~1895 |
| Garfield Joyce | Son | — | 15 | ~1925 |
| Clementine Joyce | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Rockingham, North …
Daughter, age 11
Rockingham, North Carolina · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Rockingham-County, North …
Daughter, age 21
Rockingham-County, North Carolina · implied b. ~1919 — 12 household members
| Surname | Joyce |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | C |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Mayodan town |
| 1935 Residence (County) | Rockingham |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 192 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Joyce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Joyce
Daughter · 1940 · age 21 · b. ~1919 · North Carolina
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Sibling
Edward Joyce
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garfield Joyce
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Joyce
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Joyce
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Joyce
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clementine Joyce
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Moses Joyce
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Joyce
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Joyce
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 — Rockingham-County, North Carolina
Open full size
1940 US Federal Census — Rockingham-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02966-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pleasant Kellam | 30 | Head | Laborer | North Carolina |
| 2 | Coba Lee Kellam | 27 | Wife | Cook | North Carolina |
| 3 | Valentine Kellam | 12 | Son | — | North Carolina |
| 4 | John D. Kellam | 10 | Son | — | North Carolina |
| 5 | Edna Kellam | 9 | Daughter | — | North Carolina |
| 6 | Mary Lou Kellam | 61 | Mother | — | North Carolina |
| 7 | Leva Anderson | 29 | Sister | — | North Carolina |
| 8 | Willie Anderson | 33 | Son Law | Mechanic | North Carolina |
| 9 | Louisa Anderson | 33 | Boarder | Laborer | North Carolina |
| 10 | Robert Cardwell | 40 | Head | Laborer | North Carolina |
| 11 | Robert Joyce | 45 | Head | Farmer | North Carolina |
| 12 | Lulu Joyce | 42 | Wife | — | North Carolina |
| 13 | Mary W. Joyce THIS PERSON | 21 | Daughter | Cook | North Carolina |
| 14 | Edward Joyce | 19 | Son | Farmer | North Carolina |
| 15 | Charlie Joyce | 17 | Son | Farmer | North Carolina |
| 16 | Lillian Joyce | 16 | Daughter | — | North Carolina |
| 17 | Garfield Joyce | 15 | Son | — | North Carolina |
| 18 | Thelma Joyce | 13 | Daughter | — | North Carolina |
| 19 | Moses Joyce | 12 | Son | — | North Carolina |
| 20 | Theodore Joyce | 9 | Son | — | North Carolina |
| 21 | Clementine Joyce | 7 | Daughter | — | North Carolina |
| 22 | Ruth Joyce | 2 | Daughter | — | North Carolina |
| 23 | John Long | 55 | Head | Laborer | Florida |
| 24 | Emma Long | 50 | Wife | — | North Carolina |
| 25 | Thomas Cardwell | 27 | Head | Laborer | West Virginia |
| 26 | Mabel Cardwell | 22 | Wife | — | North Carolina |
| 27 | Dock Kellam | 40 | Head | Laborer | North Carolina |
| 28 | Lizzie Kellam | 38 | Wife | — | North Carolina |
| 29 | Mack Welch | 18 | Son | Laborer | West Virginia |
| 30 | Mary Hilda Welch | 13 | Daughter | — | West Virginia |
| 31 | David Welch | 5 | Son | — | North Carolina |
| 32 | Daniel Welch | 1 | Son | — | North Carolina |
| 33 | Dennis Scales | 23 | Head | Laborer | D. C. |
| 34 | Nellie Scales | 22 | Wife | — | North Carolina |
| 35 | Junior Scales | 6 | Son | — | North Carolina |
| 36 | Mildred Scales | 5 | Daughter | — | North Carolina |
| 37 | William Scales | 3 | Son | — | North Carolina |
| 38 | Marie Scales | 1 | Daughter | — | North Carolina |
| 39 | Dennis Scales | 98 | Father | — | North Carolina |
| 40 | Early Scales | 31 | Head | Laborer | North Carolina |
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)