HC
Harry Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Harry Clark across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Louisa — first a head (b.~1883), then head of a 4-person household.
Age 47
b. ~1883
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Millwright |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Millwright |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1883 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Anna Clark | Daughter | — | 18 | ~1912 |
| Harry Clark | Head | — | 47 | ~1883 |
| Ella Clark | Other | — | 38 | ~1892 |
| John Clark | Son | — | 21 | ~1909 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 25
Philadelphia, Pennsylvania · implied b. ~1885 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Operator |
| Industry | Elevator |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Other, age 36
Philadelphia, Pennsylvania · implied b. ~1884 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Head, age 47
Philadelphia, Pennsylvania · implied b. ~1883 — 4 household members
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Irish Free State |
| Occupation | Millwright |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| 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 Harry Clark across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father Thomas Clark (~0.92 confidence) and mother Louisa Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Clark
b. ~1849
Source father
● Household
· direct · ~0.92
Mother
Louisa Clark
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Clark
Head · 1930 · age 47 · b. ~1883 · 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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
26 people indexed on this census page (ia:1930:fifteenthcensus00reel2137:0908)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John J Lynn | 50 | Head | Salesman | Pennsylvania |
| 52 | Anna Lynn | 48 | Wife-H | — | Pennsylvania |
| 53 | William Spellman | 42 | Roomer | Machinist | Pennsylvania |
| 54 | Freeman Roberts | 35 | Roomer | Machinist | Pennsylvania |
| 55 | Patrick J Carver | 57 | Head | Undertaker | Irish Free State |
| 56 | Mary Carver | 55 | Wife-H | — | Pennsylvania |
| 57 | Alice M Carver | 20 | Daughter | — | Pennsylvania |
| 58 | John Kane | 35 | Head | Plumber | Pennsylvania |
| 59 | Laura Kane | 32 | Wife-H | — | Pennsylvania |
| 60 | Laura Kane | 13 | Daughter | — | Pennsylvania |
| 61 | John Jr Kane | 10 | Son | — | Pennsylvania |
| 62 | Leonard Kane | 7 | Son | — | Pennsylvania |
| 63 | Elizabeth Broomall | 42 | Head | Packer | Pennsylvania |
| 64 | William Broomall | 14 | Son | — | Pennsylvania |
| 65 | Elizabeth Broomall | 12 | Daughter | — | Pennsylvania |
| 66 | John S. Porter | 27 | Head | Painter | Pennsylvania |
| 67 | Helen Porter | 27 | Wife-H | — | Pennsylvania |
| 68 | Harry Clark THIS PERSON | 47 | Head | Millwright | Pennsylvania |
| 69 | Ella Clark | 38 | Wife-H | — | Irish Free State |
| 70 | John Clark | 21 | Son | Clerk | Pennsylvania |
| 71 | Anna Clark | 18 | Daughter | Operator | Pennsylvania |
| 72 | Anne Mestmacher | 65 | Head | — | Pennsylvania |
| 73 | Mary Mestmacher | 22 | Daughter | Waitress | Pennsylvania |
| 74 | Mary Mestmacher | 8 | Daughter | — | Pennsylvania |
| 75 | James Humphrey | 41 | Head | General | Pennsylvania |
| 76 | Helen Humphrey | 37 | Wife-H | — | Pennsylvania |
Pedigree Summary
Harry
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)