JW
John Welsh — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Welsh across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Male
Son
Born: Penna
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Welsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Penna |
| Age at First Marriage | 20 |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Occupation | Chauffer |
| Industry | Hauling |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Chauffer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Welsh | Head | — | 48 | ~1882 |
| Sarah Welsh | Other | — | 46 | ~1884 |
| George Welsh | Other | — | 2 | ~1928 |
| John Welsh | Son | — | 23 | ~1907 |
| Paul Welsh | Son | — | 25 | ~1905 |
| Anna Welsh | Daughter | — | 23 | ~1907 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 23
Philadelphia, Pennsylvania · implied b. ~1907 — 6 household members
| Surname | Welsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Penna |
| Age at First Marriage | 20 |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Chauffer |
| Industry | Hauling |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Head, age 34
Philadelphia-County, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Chauffeur |
| Industry | Scrap Iron |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1420 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Welsh
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
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Sibling
Anna Welsh
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Welsh
Sibling · 1930 · age 25
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
27 people indexed on this census page (ia:1930:fifteenthcensus00reel2092:0328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Easton | 38 | Head | Chauffer | Penna |
| 2 | Mary Easton | 36 | Wife-H | — | Penna |
| 3 | John Easton | 17 | Son | Apprentice | Penna |
| 4 | William Jr Easton | 16 | Son | Errand Boy | Penna |
| 5 | Elizabeth Easton | 14 | Daughter | — | Penna |
| 6 | Mary Easton | 11 | Daughter | — | Penna |
| 7 | Robert Easton | 8 | Son | — | Penna |
| 8 | William Morgan | 28 | Head | Carpenter | Ohio |
| 9 | Anna Morgan | 27 | Wife | — | Ohio |
| 10 | Henry Morgan | 4 | Son | — | Ohio |
| 11 | Alberta Morgan | 2 | Daughter | — | Penna |
| 12 | Anna Morgan | 0 | Daughter | — | Penna |
| 13 | Norman Ford | 21 | Lodger | Chauffer | Penna |
| 14 | Harry Kementis | 56 | Lodger | Flyer | Penna |
| 15 | William Legal | 43 | Lodger | Chauffer | New York |
| 16 | James Sperry | 34 | Lodger | Officer | Penna |
| 17 | Henry Gait | 30 | Lodger | Clerk | Massachusetts |
| 18 | Thomas Love | 43 | Lodger | Chauffer | Massachusetts |
| 19 | Charles Neff | 22 | Lodger | Laborer | Delaware |
| 20 | Martha Neff | 21 | Lodger | Saleslady | Delaware |
| 21 | Mary Martin | 20 | Lodger | — | Penna |
| 22 | William Welsh | 48 | Head | Painter | Penna |
| 23 | Sarah Welsh | 46 | Wife-H | — | Penna |
| 24 | Paul Welsh | 25 | Son | Laborer | Penna |
| 25 | John Welsh THIS PERSON | 23 | Son | Chauffer | Penna |
| 26 | Anna Welsh | 23 | Daughter | — | Penna |
| 27 | George Welsh | 2 | Grandson | — | Penna |
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)