JC
John Clifford — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Clifford across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Ellen — first a head (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Clifford |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ireland Free State |
| Additional Details | |
| Occupation | Hauling |
| Industry | Contractor |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Hauling |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Clifford | Daughter | — | 3 | ~1927 |
| John Clifford | Head | — | 31 | ~1899 |
| John Clifford | Son | — | 1 | ~1929 |
| Edith Clifford | Other | — | 29 | ~1901 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 20
Allegheny, Pennsylvania · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ireland |
| Occupation | Express |
| Industry | Hauling |
| 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
Head, age 31
Allegheny, Pennsylvania · implied b. ~1899 — 4 household members
| Surname | Clifford |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ireland Free State |
| Occupation | Hauling |
| Industry | Contractor |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Radio Set | R |
| 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 Clifford across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father John Clifford (~0.92 confidence) and mother Ellen Clifford (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clifford
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Ellen Clifford
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Clifford
Head · 1930 · age 31 · 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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1974:0379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Loraine | 5 | Daughter | — | Pennsylvania |
| 2 | Regis | 3 | Son | — | Pennsylvania |
| 3 | Doris | 1 | Daughter | — | Pennsylvania |
| 4 | Charles Louis | 29 | Head | Laborer | Pennsylvania |
| 5 | Catherine Louis | 29 | Wife-H | — | Scotland |
| 6 | Anna Louis | 9 | Daughter | — | Pennsylvania |
| 7 | Margaret Louis | 8 | Daughter | — | Pennsylvania |
| 8 | Mary Louis | 5 | Daughter | — | Pennsylvania |
| 9 | Charles Louis | 3 | Son | — | Pennsylvania |
| 10 | Charles Schmidt | 69 | Head | Laborer | Ohio |
| 11 | Anna Schmidt | 71 | Wife-H | — | Germany |
| 12 | William Kuesch | 24 | Step-son | Laborer | Pennsylvania |
| 13 | Philip Kuesch | 22 | Step-son | Laborer | Pennsylvania |
| 14 | Anna Kuesch | 18 | Step-Daughter | — | Pennsylvania |
| 15 | Emma Kuesch | 13 | Step-Daughter | — | Pennsylvania |
| 16 | James Kuesch | 9 | Step-son | — | Pennsylvania |
| 17 | Mary Mccune | 65 | Head | — | Ireland Free State |
| 18 | Sue Mccune | 27 | Daughter | Clerk | Pennsylvania |
| 19 | Mary Mccune | 26 | Daughter | Clerk | Pennsylvania |
| 20 | Helen Richards | 65 | Head | — | Ireland Free State |
| 21 | Florence Richards | 34 | Daughter | Laundress | Pennsylvania |
| 22 | Mary Richards | 29 | Daughter | Seamstress | Pennsylvania |
| 23 | Charles Campbell | 42 | Head | Laborer | Pennsylvania |
| 24 | Ada Campbell | 40 | Wife-H | — | Pennsylvania |
| 25 | James Campbell | 17 | Son | Laborer | Pennsylvania |
| 26 | Margaret Campbell | 15 | Daughter | — | Pennsylvania |
| 27 | Jean Campbell | 13 | Daughter | — | Pennsylvania |
| 28 | Grace Campbell | 11 | Daughter | — | Pennsylvania |
| 29 | Lyle Campbell | 8 | Son | — | Pennsylvania |
| 30 | William Hochert | 42 | Head | Clerk | Pennsylvania |
| 31 | Martha Hochert | 32 | Wife-H | — | Pennsylvania |
| 32 | Mary Hochert | 10 | Daughter | — | Pennsylvania |
| 33 | James Jackson | 33 | Head | Laborer | Pennsylvania |
| 34 | Martha Jackson | 31 | Wife-H | — | Pennsylvania |
| 35 | Donald Jackson | 8 | Son | — | Pennsylvania |
| 36 | Mildred Jackson | 6 | Daughter | — | Pennsylvania |
| 37 | Ruth Jackson | 2 | Daughter | — | Pennsylvania |
| 38 | Edward Renshaw | 33 | Roomer | Laborer | Pennsylvania |
| 39 | Ellen Peterson | 57 | Head | — | Ireland Free State |
| 40 | Charles Peterson | 21 | Son | Deliveryman | Pennsylvania |
| 41 | Lucinda Peterson | 27 | Daughter | Sales Lady | Pennsylvania |
| 42 | Catherine Peterson | 20 | Daughter | Waitress | Pennsylvania |
| 43 | Robert Peterson | 18 | Son | Clerk | Pennsylvania |
| 44 | Fred Stemenic | 18 | Boarder | Helper | Pennsylvania |
| 45 | Helen Taylor | 22 | Daughter | Laundress | Pennsylvania |
| 46 | John J. Clifford THIS PERSON | 31 | Head | Hauling | Pennsylvania |
| 47 | Edith Clifford | 29 | Wife-H | — | Pennsylvania |
| 48 | Mary Clifford | 3 | Daughter | — | Pennsylvania |
| 49 | John Clifford | 1 | Son | — | Pennsylvania |
| 50 | Thomas Longmore | 43 | Head | Steelworker | England |
Related Census Records
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 1930 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)