JG
John Griffith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Griffith across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 62
b. ~1868
Male
Head
Born: England
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1883 |
| Age at First Marriage | 25 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1868 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edith Griffith | Daughter | — | 18 | ~1912 |
| John Griffith | Head | — | 62 | ~1868 |
| Elizabeth Griffith | Other | — | 64 | ~1866 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 53
Allegheny, Pennsylvania · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1880 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Head, age 62
Allegheny, Pennsylvania · implied b. ~1868 — 3 household members
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1883 |
| Age at First Marriage | 25 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Head, age 73
Allegheny-County, Pennsylvania · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffiths |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same Home |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Griffith
Head · 1930 · age 62 · b. ~1868 · Pennsylvania
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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:fifteenthcensus00reel1973:0837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Walker | 50 | Head | Dist. Agent | Pennsylvania |
| 2 | Rose Walker | 48 | Wife-H | None | Germany |
| 3 | Charles Walker | 38 | Head | Blower | Pennsylvania |
| 4 | Anna Walker | 36 | Wife-H | None | Pennsylvania |
| 5 | Mary Walker | 14 | Daughter | None | Pennsylvania |
| 6 | Christine Hurb | 66 | Head | Machinist | Germany |
| 7 | Bertha Hurb | 64 | Wife-H | None | Germany |
| 8 | Carl Riegler | 43 | Head | Elec. Repairman | Austria |
| 9 | Teresa Riegler | 35 | Wife-H | None | Austria |
| 10 | Carl Jr. Riegler | 16 | Son | Errand Boy | Austria |
| 11 | Josephine Riegler | 12 | Daughter | None | Pennsylvania |
| 12 | Teresa Riegler | 6 | Daughter | None | Pennsylvania |
| 13 | Mathilda Riegler | 6 | Daughter | None | Pennsylvania |
| 14 | Frederick Riegler | 5 | Son | None | Pennsylvania |
| 15 | Anthony Gunger | 71 | Father-in-law | None | Austria |
| 16 | Alfred Libre | 32 | Head | Machinist | Pennsylvania |
| 17 | Caroline Libre | 32 | Wife-H | None | Pennsylvania |
| 18 | Lewis Libre | 10 | Son | None | Pennsylvania |
| 19 | Robert Libre | 6 | Son | None | Pennsylvania |
| 20 | Alfred Jr. Libre | 5 | Son | None | Pennsylvania |
| 21 | James Thompson | 30 | Head | Labour | Virginia |
| 22 | Charlotte Thompson | 28 | Wife-H | None | Pennsylvania |
| 23 | Marie Thompson | 6 | Daughter | None | Pennsylvania |
| 24 | Florence Thompson | 2 | Daughter | None | Pennsylvania |
| 25 | Teresa Kokoruda | 43 | Head-H | Cleaner | Yugoslavia |
| 26 | Anna Kokoruda | 16 | Daughter | Cigar Maker | Pennsylvania |
| 27 | Albert Kokoruda | 14 | Son | None | Pennsylvania |
| 28 | Steve Kokoruda | 13 | Son | None | Pennsylvania |
| 29 | Julia Kokoruda | 10 | Daughter | None | Pennsylvania |
| 30 | Joseph Kokoruda | 8 | Son | None | Pennsylvania |
| 31 | Anthony Kokoruda | 7 | Son | None | Pennsylvania |
| 32 | Charlotte Peterson | 35 | Head-H | Cleaner | Pennsylvania |
| 33 | Lawrence Fitzgerald | 24 | Head-H | Laborer | Pennsylvania |
| 34 | Mildred Fitzgerald | 23 | Wife-H | Attendant | Pennsylvania |
| 35 | Mike Bojanac | 25 | Head-H | None | Pennsylvania |
| 36 | Joseph Jr. Bojanac | 11 | Son | None | Pennsylvania |
| 37 | John Bojanac | 10 | Son | None | Pennsylvania |
| 38 | Leo Vaughn | 53 | Head | Laborer | Pennsylvania |
| 39 | Mary Vaughn | 55 | Wife-H | None | New York |
| 40 | Gertrude Vaughn | 15 | Daughter | None | Pennsylvania |
| 41 | Leo Jr. Vaughn | 22 | Son | Washer | Pennsylvania |
| 42 | Margaret Mcallister | 27 | Head-H | Saleslady | Pennsylvania |
| 43 | Delores Mcallister | 4 | Daughter | None | Pennsylvania |
| 44 | Maurice Sullivan | 49 | Head | Chipper | Pennsylvania |
| 45 | Jennie Sullivan | 37 | Wife-H | None | Pennsylvania |
| 46 | Harry Sullivan | 10 | Son | None | Pennsylvania |
| 47 | John Griffith THIS PERSON | 62 | Head | Laborer | England |
| 48 | Elizabeth Griffith | 64 | Wife-H | None | England |
| 49 | Edith Griffith | 18 | Daughter | Mail Clerk | Pennsylvania |
| 50 | Thomas Beckham | 79 | Head | None | England |
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)