JL
John Lloyd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Lloyd across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 12-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springdale borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Aluminum |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Springdale Borough |
| Est. Birth Year | ~1915 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mckenneth Lloyd | Son | — | 20 | ~1920 |
| Elsie Lloyd | Spouse | — | 46 | ~1894 |
| John Lloyd | Son | — | 25 | ~1915 |
| Richard Lloyd | Son | — | 23 | ~1917 |
| Warren Lloyd | Son | — | 16 | ~1924 |
| Margaret Lloyd | Daughter | — | 9 | ~1931 |
| Harry Lloyd | Son | — | 14 | ~1926 |
| Patricia Lloyd | Daughter | — | 7 | ~1933 |
| James Lloyd | Son | — | 12 | ~1928 |
| Stanley Lloyd | Son | — | 5 | ~1935 |
| William Lloyd | Son | — | 18 | ~1922 |
| Harry Lloyd | Head | — | 46 | ~1894 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 12 household members
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springdale borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Aluminum |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 John Lloyd across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lloyd
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
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Sibling
Mckenneth Lloyd
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Lloyd
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lloyd
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lloyd
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Lloyd
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lloyd
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Lloyd
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Lloyd
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Lloyd
Sibling · 1940 · age 14
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 — 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-t0627-03418-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antoinette Boccarino | 35 | Wife | — | Pennsylvania |
| 2 | Paul Boccarino | 17 | Son | — | Pennsylvania |
| 3 | Antoinette Boccarino | 16 | Daughter | — | Pennsylvania |
| 4 | Anthony Boccarino | 14 | Son | — | Pennsylvania |
| 5 | Rose Marie Boccarino | 10 | Daughter | — | Pennsylvania |
| 6 | William D. Miller | 46 | Head | Operator | Pennsylvania |
| 7 | Veronica Miller | 38 | Wife | — | Pennsylvania |
| 8 | Ethyl Miller | 15 | Daughter | — | Pennsylvania |
| 9 | Ellen Miller | 12 | Daughter | — | Pennsylvania |
| 10 | Mary Miller | 8 | Daughter | — | Pennsylvania |
| 11 | John Edge | 44 | Head | Laborer | Pennsylvania |
| 12 | Tresa D. Edge | 42 | Wife | — | Pennsylvania |
| 13 | Margaret Pratz | 18 | Niece | — | Pennsylvania |
| 14 | Joseph Masinger | 43 | Head | Laborer | Pennsylvania |
| 15 | Pearl D. Masinger | 40 | Wife | — | Pennsylvania |
| 16 | Joseph Masinger | 16 | Son | Paper Route | Pennsylvania |
| 17 | Clarence Masinger | 13 | Son | — | Pennsylvania |
| 18 | Ulysses Lurah | 41 | Head | Crane Man | Pennsylvania |
| 19 | Gladys V. Lurah | 31 | Wife | — | Pennsylvania |
| 20 | Beulah Lurah | 13 | Daughter | — | Pennsylvania |
| 21 | Myrtle Mcclelland | 54 | Mother | — | Pennsylvania |
| 22 | Mcclelland | None | — | — | — |
| 23 | John D. Aluer | 57 | Head | Condenser Operator | Austria |
| 24 | Emma Aluer | 58 | Wife | — | Germany |
| 25 | John Schroeger | 40 | Head | Electrical Maint. | Pennsylvania |
| 26 | Marie D. Schroeger | 43 | Wife | — | Pennsylvania |
| 27 | Ralph Schroeger | 19 | Son | — | Pennsylvania |
| 28 | Martin Schroeger | 16 | Son | — | Pennsylvania |
| 29 | Harry Lloyd | 46 | Head | Policeman | Pennsylvania |
| 30 | Elsie D. Lloyd | 46 | Wife | — | Pennsylvania |
| 31 | John Lloyd THIS PERSON | 25 | Son | Laborer | Pennsylvania |
| 32 | Richard Lloyd | 23 | Son | Laborer | Pennsylvania |
| 33 | Mckenneth Lloyd | 20 | Son | — | Pennsylvania |
| 34 | William Lloyd | 18 | Son | — | Pennsylvania |
| 35 | Warren Lloyd | 16 | Son | — | Pennsylvania |
| 36 | Harry Lloyd | 14 | Son | — | Pennsylvania |
| 37 | James Lloyd | 12 | Son | — | Pennsylvania |
| 38 | Margaret Lloyd | 9 | Daughter | — | Pennsylvania |
| 39 | Patricia Lloyd | 7 | Daughter | — | Pennsylvania |
| 40 | Stanley Lloyd | 5 | Son | — | 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)