JL
John Lloyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Lloyd across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Elizabeth — first a son (b.~1899), then head of a 2-person household.
Age 41
b. ~1899
Male
Son
Born: Pennsylvania
Separated
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 | 41 |
| Marital Status | Separated |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Automobile Mechanic |
| Industry | Standard Motor Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1664 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Automobile Mechanic |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1899 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Lloyd | Son | — | 41 | ~1899 |
| Lettie Lloyd | Head | — | 64 | ~1876 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Blast Furnace |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | laborer |
| Industry | steel mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 31
Allegheny, Pennsylvania · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | mechanic |
| Industry | Motor Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 41
Allegheny-County, Pennsylvania · implied b. ~1899 — 2 household members
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Separated |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Automobile Mechanic |
| Industry | Standard Motor Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1664 |
| Highest Grade | H-3 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lloyd (~0.92 confidence) and mother Elizabeth Lloyd (~0.92 confidence) and father Charles Lloyd (~0.92 confidence) and mother Lettie Lloyd (~0.92 confidence) and mother Hattie Lloyd (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lloyd
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Lloyd
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Charles Lloyd
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lettie Lloyd
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Hattie Lloyd
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lloyd
Son · 1940 · age 41 · b. ~1899 · Pennsylvania
★ You are viewing this record
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
34 people indexed on this census page (nara:1940:m-t0627-03661-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Mary V. Yodel | 32 | Wife | Saleswoman | Pennsylvania |
| 42 | Richard Yodel | 5 | Son | — | Pennsylvania |
| 43 | Lettie Lloyd | 64 | Head | — | Pennsylvania |
| 44 | John Lloyd THIS PERSON | 41 | Son | Automobile Mechanic | Pennsylvania |
| 45 | Carl Martin | 39 | Head | Electrician | Pennsylvania |
| 46 | Alice Martin | 43 | Wife | Seamstress | Pennsylvania |
| 47 | Joyce Margaret Martin | 17 | Daughter | — | Pennsylvania |
| 48 | Albert Miller | 43 | Head | Shop Foreman | Pennsylvania |
| 49 | Marlene Miller | 43 | Wife | — | Pennsylvania |
| 50 | Margaret Miller | 15 | Daughter | — | Pennsylvania |
| 51 | Helen Miller | 12 | Daughter | — | Pennsylvania |
| 52 | Dorothy Miller | 10 | Daughter | — | Pennsylvania |
| 53 | Philip Deluca | 27 | Head | Sales Dept | Pennsylvania |
| 54 | Laura Deluca | 24 | Wife | — | Pennsylvania |
| 55 | Mary Lou Deluca | 5 | Daughter | — | Pennsylvania |
| 56 | Donald Deluca | 3 | Son | — | Pennsylvania |
| 57 | Francis Ferguson | 45 | Head | Sheet Metal Worker | Pennsylvania |
| 58 | Virginia Ferguson | 25 | Wife | — | Pennsylvania |
| 59 | Donna Ferguson | 5 | Daughter | — | Pennsylvania |
| 60 | Matthew Rogers | 49 | Head | Street Car Conductor | Pennsylvania |
| 61 | Margaret Rogers | 50 | Wife | — | Pennsylvania |
| 62 | Catherine Rogers | 10 | Daughter | — | Pennsylvania |
| 63 | Howard Hess | 31 | Head | Merchandise Man | Pennsylvania |
| 64 | Agnes Hess | 28 | Wife | — | Pennsylvania |
| 65 | Jean Hess | 2 | Daughter | — | Pennsylvania |
| 66 | Barbara Hess | 0 | Daughter | — | Pennsylvania |
| 67 | James Kerr | 67 | Head | — | Pennsylvania |
| 68 | Bessie Kerr | 56 | Wife | — | Maryland |
| 69 | Alma Allen | 39 | Niece | Clerk | Maryland |
| 70 | Gabriel Sula | 39 | Head | Tailor | Italy |
| 71 | Flora Sula | 27 | Wife | — | Italy |
| 72 | Anna Sula | 6 | Daughter | — | Pennsylvania |
| 73 | George Keith | 67 | Head | — | Ohio |
| 74 | Wilda Keith | 58 | Wife | — | Pennsylvania |
Pedigree Summary
John
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)