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 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & Eleanor — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Churchill Boro |
| Additional Details | |
| Occupation | Cost Clerk |
| Industry | Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | Hs 3 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cost Clerk |
| Township / Ward | Churchill Boro |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Lloyd | Head | — | 37 | ~1903 |
| Lulu Lloyd | Spouse | — | 36 | ~1904 |
| Joan Lloyd | Daughter | — | 5 | ~1935 |
| Frank Addleman | Other | — | 29 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 17
Allegheny, Pennsylvania · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Apprentice |
| Industry | Machine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegheny, Pennsylvania
Head, age 28
Allegheny, Pennsylvania · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lloyd |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Electrical Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3250 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegheny-County, Pennsylvania
Head, age 37
Allegheny-County, Pennsylvania · implied b. ~1903 — 4 household members
| Surname | Lloyd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Churchill Boro |
| Occupation | Cost Clerk |
| Industry | Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | Hs 3 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Lloyd (~0.92 confidence) and mother Eleanor Lloyd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Lloyd
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Eleanor Lloyd
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lloyd
Head · 1940 · age 37 · b. ~1903 · 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
39 people indexed on this census page (nara:1940:m-t0627-03400-00194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Miller | 30 | Maid | Maid | Penna |
| 2 | Stanley Price | 42 | Head | Chemist | Penna |
| 3 | Helen F. Price | 40 | Wife | — | Penna |
| 4 | Son Marshall | 11 | Son | — | Penna |
| 5 | Donald Marshall | 4 | Son | — | Penna |
| 6 | Alla Fuhrer | 72 | Mother in law | — | Penna |
| 7 | Howard D. Willis | 57 | Head | Time Keeper | Penna |
| 8 | Mary H. Span | 42 | Housekeeper | Housekeeper | Penna |
| 9 | Lodger Miles | 22 | Lodger | Shipper | Penna |
| 10 | Robert Miles | 20 | Lodger | Office Clerk | Penna |
| 11 | Virginia Miles | 16 | Lodger | — | Penna |
| 12 | Nathan Franzos | 40 | Head | Business Manager | Poland |
| 13 | Margaret Franzos | 31 | Wife | — | Utah |
| 14 | Leslie Franzos | 4 | Daughter | — | Penna |
| 15 | Beatrice Smith | 32 | In law | — | Penna |
| 16 | Lewis A. Ford | 41 | Head | Assistant Supervisor | Penna |
| 17 | Beatrice Ford | 41 | Wife | — | Penna |
| 18 | John Lloyd THIS PERSON | 37 | Head | Cost Clerk | Maryland |
| 19 | Lulu Lloyd | 36 | Wife | 0 | Penna |
| 20 | Joan Lloyd | 5 | Daughter | — | Penna |
| 21 | Frank Addleman | 29 | Lodger | Labor | Penna |
| 22 | John N. Stanton | 36 | Head | Manual Teacher | Penna |
| 23 | Margaret P. Stanton | 36 | Wife | Teacher | Penna |
| 24 | Cora Piel | 60 | Mother in law | — | Penna |
| 25 | J. Arthur Wills | 54 | Head | Machinist | Penna |
| 26 | Alice Wills | 53 | Wife | 0 | Penna |
| 27 | Floyd Hough | 40 | Head | Civil Engineer | New York |
| 28 | Beatrice Hough | 35 | Wife | — | New York |
| 29 | Marilyn Hough | 11 | Daughter | — | California |
| 30 | Son Woodworth | 8 | Son | — | California |
| 31 | F. A. Zitzman | 51 | Head | Contract Driver | Penna |
| 32 | Florence Zitzman | 46 | Wife | — | Penna |
| 33 | Yvonne Zitzman | 7 | Daughter | — | Penna |
| 34 | Frank H. Nair | 65 | Head | — | Penna |
| 35 | Elizabeth S. Nair | 64 | Wife | — | Germany |
| 36 | William Nair | 39 | Son | Waiter | Penna |
| 37 | Lewis R. Nair | 29 | Son | Barber | Penna |
| 38 | Ruth M. Nair | 25 | Daughter | Secretary | Penna |
| 39 | Frank Kramer | 58 | Head | Mechanical Engineer | Penna |
Pedigree Summary
John
Gen 1 · 2 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)