JW
James Welsh — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this James Welsh across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Linda Shea | Other | — | 39 | ~1891 |
| Louis Welsh | Son | — | 13 | ~1917 |
| James Welsh | Son | — | 11 | ~1919 |
| Frank Welsh | Head | — | 36 | ~1894 |
| Alice Welsh | Spouse | — | 34 | ~1896 |
| Joseph Welsh | Son | — | 5 | ~1925 |
| James Murphy | Other | — | 26 | ~1904 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | electrician |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1060 |
| Highest Grade | H-4 |
| 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 James Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Welsh
Son · 1930 · age 11 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Welsh
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Welsh
Sibling · 1930 · age 13
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2143:0177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Fagan | 46 | Head | Compositor | Penna |
| 2 | Betty Fagan | 45 | Wife | — | Penna |
| 3 | Samuel Fagan | 21 | Son | Clerk | Penna |
| 4 | Michael Love | 34 | Boarder | Laborer | New York |
| 5 | Frank Welsh | 36 | Head | Cement Finisher | England |
| 6 | Alice Welsh | 34 | Wife | — | England |
| 7 | Louis Welsh | 13 | Son | — | Penna |
| 8 | James Welsh THIS PERSON | 11 | Son | — | Penna |
| 9 | Joseph Welsh | 5 | Son | — | Penna |
| 10 | Linda Shea | 39 | Lodger | Chauffeur | No Carolina |
| 11 | James Murphy | 26 | Lodger | Laborer | Penna |
| 12 | Frank Mcdonough | 31 | Head | Laborer | Penna |
| 13 | Anna Mcdonough | 35 | Wife | — | Penna |
| 14 | Joseph Mcdonough | 10 | Son | — | Penna |
| 15 | John Mcdonough | 8 | Son | — | Penna |
| 16 | Thomas Mcdonough | 6 | Son | — | Penna |
| 17 | Fred Mcdonough | 3 | Son | — | Penna |
| 18 | Dominick Meisle | 36 | Head | Butcher | Penna |
| 19 | Carmela Meisle | 36 | Wife | — | Penna |
| 20 | Eleanor Meisle | 9 | Daughter | — | Penna |
| 21 | Anthony Meisle | 7 | Son | — | Penna |
| 22 | Thomas Meisle | 4 | Son | — | Penna |
| 23 | Joan Meisle | 2 | Son | — | Penna |
| 24 | Blanche Simon | 47 | Lodger | Bookkeeper | Penna |
| 25 | Daniel O'Connor | 45 | Lodger | Laborer | Penna |
| 26 | Frank Markowan | 32 | Head | Clerk | Penna |
| 27 | Eliz Markowan | 32 | Wife | — | Penna |
| 28 | James Markowan | 10 | Son | — | Penna |
| 29 | John Markowan | 7 | Son | — | Penna |
| 30 | Arthur Markowan | 6 | Son | — | Penna |
| 31 | Thomas Markowan | 2 | Son | — | Penna |
| 32 | Louis Brotman | 29 | Lodger | Line Man | Penna |
| 33 | Lenore Brotman | 27 | Lodger | — | Penna |
| 34 | John Mclaughlin | 46 | Lodger | Painter | New Jersey |
| 35 | Anna Moseley | 39 | Lodger | Maid | Delaware |
| 36 | Thomas Bohn | 39 | Lodger | Foreman | Penna |
| 37 | John Brown | 46 | Lodger | Machinist | Missouri |
| 38 | Bessie Vance | 51 | Lodger | Maid | New York |
| 39 | John Mccoy | 47 | Lodger | Chauffeur | Penna |
| 40 | Frank Sheridan | 52 | Lodger | Operator | Penna |
| 41 | James Shields | 34 | Lodger | Packer | Penna |
| 42 | George Barton | 47 | Lodger | — | Penna |
| 43 | Martha Lewis | 65 | Lodger | — | Penna |
| 44 | John Beadle | 37 | Head | Clerk | Georgia |
| 45 | Rose Beadle | 36 | Wife | — | Georgia |
| 46 | Charles Beadle | 10 | Son | — | Georgia |
| 47 | Dennis Carroll | 38 | Boarder | Driver | Georgia |
| 48 | Mona Carroll | 38 | Boarder | — | Georgia |
| 49 | Henry Carroll | 10 | Nephew | — | Georgia |
| 50 | Billy Carroll | 9 | Nephew | — | Georgia |
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)