MJ
Mary Joyce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Joyce across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 10-person household.
Age 35
b. ~1905
Female
Spouse
Born: Northern Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Joyce |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Northern Ireland |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birthplace (normalized) | northern ireland |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Mary Joyce | Spouse | — | 35 | ~1905 |
| Martin Joyce | Head | — | 49 | ~1891 |
| Walter Joyce | Son | — | 7 | ~1933 |
| Joseph Joyce | Son | — | 11 | ~1929 |
| Mary Joyce | Daughter | — | 12 | ~1928 |
| Colman Joyce | Son | — | 5 | ~1935 |
| Martin Joyce | Son | — | 9 | ~1931 |
| Ann Joyce | Daughter | — | 1 | ~1939 |
| Nora Joyce | Daughter | — | 12 | ~1928 |
| James Joyce | Son | — | 4 | ~1936 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 24
Allegheny, Pennsylvania · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Northern Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1927 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birthplace (normalized) | northern ireland |
1940
Allegheny-County, Pennsylvania
Spouse, age 35
Allegheny-County, Pennsylvania · implied b. ~1905 — 10 household members
| Surname | Joyce |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Northern Ireland |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birthplace (normalized) | northern ireland |
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
Spouse · 1940 · age 35 · b. ~1905 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03652-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Yolanda Johnson | 15 | Daughter | — | Pennsylvania |
| 42 | Frank Johnson | 11 | Son | — | Pennsylvania |
| 43 | Charles Johnson | 72 | Head | — | Pennsylvania |
| 44 | Lola O'Neill | 69 | Sister | — | Pennsylvania |
| 45 | Martin E. Joyce | 49 | Head | Policeman | Ireland |
| 46 | Mary Joyce THIS PERSON | 35 | Wife | — | Northern Ireland |
| 47 | Mary Joyce | 12 | Daughter | — | Pennsylvania |
| 48 | Nora Joyce | 12 | Daughter | — | Pennsylvania |
| 49 | Joseph Joyce | 11 | Son | — | Pennsylvania |
| 50 | Martin Joyce | 9 | Son | — | Pennsylvania |
| 51 | Walter Joyce | 7 | Son | — | Pennsylvania |
| 52 | Colman Joyce | 5 | Son | — | Pennsylvania |
| 53 | James Joyce | 4 | Son | — | Pennsylvania |
| 54 | Ann Joyce | 1 | Daughter | — | Pennsylvania |
| 55 | Joseph Lamanna | 49 | Head | Stone Mason | Italy |
| 56 | Mary Lamanna | 47 | Wife | — | Italy |
| 57 | Samuel Lamanna | 15 | Son | — | Pennsylvania |
| 58 | Stella Lamanna | 14 | Daughter | — | Pennsylvania |
| 59 | Ralph Lamanna | 13 | Son | — | Pennsylvania |
| 60 | Josephine Lamanna | 12 | Daughter | — | Pennsylvania |
| 61 | Mary Lamanna | 9 | Daughter | — | Pennsylvania |
| 62 | Louis Lamanna | 8 | Son | — | Pennsylvania |
| 63 | Rose Lamanna | 3 | Daughter | — | Pennsylvania |
| 64 | Samuel Amea | 44 | Head | Tailor | Syria |
| 65 | Victoria Amea | 32 | Wife | — | Syria |
| 66 | Edward Amea | 8 | Son | — | Pennsylvania |
| 67 | Raymond Amea | 5 | Son | — | Pennsylvania |
| 68 | — | None | — | — | — |
| 69 | John C. Hooper | 42 | Head | Policeman | Pennsylvania |
| 70 | Ester Hooper | 44 | Wife | — | Pennsylvania |
| 71 | Lillian Hooper | 18 | Daughter | — | Pennsylvania |
| 72 | Dorothy Hooper | 10 | Daughter | — | Pennsylvania |
| 73 | John Hooper | 3 | Son | — | Pennsylvania |
| 74 | Anthony Casciani | 55 | Head | — | Italy |
| 75 | Emma Casciani | 48 | Wife | — | Italy |
| 76 | Eugene Casciani | 24 | Son | Waiter | Pennsylvania |
| 77 | Orlando Casciani | 20 | Son | Bus Boy | Pennsylvania |
| 78 | Irene Casciani | 18 | Daughter | — | Pennsylvania |
| 79 | Jack Mccarthy | 26 | Son-in-law | Laborer | Pennsylvania |
| 80 | Lena Mccarthy | 25 | Daughter | — | Pennsylvania |
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)