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Harry Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Harry Thompson across the 1920, 1930 and 1940 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed), with identified parents Martha — first a head (b.~1886), then head of a 5-person household.
Age 44
b. ~1886
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Pennsylvania |
| Surname | Thompson |
| Given Name | Harry E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Engineer |
| Industry | Steam railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Engineer |
| Township / Ward | Greenville Borough |
| Est. Birth Year | ~1886 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 13 | ~1917 |
| Harry Thompson | Head | — | 44 | ~1886 |
| Pearl Thompson | Other | — | 38 | ~1892 |
| Earl Thompson | Son | — | 18 | ~1912 |
| Richard Thompson | Son | — | 16 | ~1914 |
Census Appearances
1920
Mercer, Pennsylvania
Head, age 34
Mercer, Pennsylvania · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| 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
Mercer, Pennsylvania
Head, age 44
Mercer, Pennsylvania · implied b. ~1886 — 5 household members
| Surname | Thompson |
| Given Name | Harry E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Engineer |
| Industry | Steam railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, Pennsylvania
Son, age 52
Mercer-County, Pennsylvania · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Greenville borough |
| 1935 Residence (County) | Mercer |
| Occupation | Car repairman |
| Industry | Railroad shops |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Martha Thompson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Martha Thompson
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Thompson
Head · 1930 · age 44 · b. ~1886 · 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 — Mercer, Pennsylvania
Open full size
1930 US Federal Census — Mercer, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2076:1059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bertha E Benton | 45 | wife-H | None | Pennsylvania |
| 52 | Ima E Benton | 20 | daughter | Clerk | Pennsylvania |
| 53 | Lewis L Johnston | 36 | Head | Mechanic | Pennsylvania |
| 54 | Edna Johnston | 63 | mother | None | Pennsylvania |
| 55 | Charles B Diffenderfer | 38 | Head | Machinist Helper | Pennsylvania |
| 56 | Ethel Diffenderfer | 41 | wife-H | None | Pennsylvania |
| 57 | Robert Diffenderfer | 15 | son | None | Pennsylvania |
| 58 | Georgine Diffenderfer | 6 | daughter | None | Pennsylvania |
| 59 | Harry E Kamerer | 51 | Head | Retail Merchant | Pennsylvania |
| 60 | Mary E Kamerer | 44 | wife-H | None | Pennsylvania |
| 61 | Frank J Mayer | 34 | Head | Proprietor | Pennsylvania |
| 62 | Mildred Mayer | 34 | wife-H | None | Pennsylvania |
| 63 | John J Mayer | 0 | son | None | Pennsylvania |
| 64 | Fred W Rinehart | 25 | Head | Car Repairman | Pennsylvania |
| 65 | Ima E Rinehart | 22 | wife-H | None | Pennsylvania |
| 66 | Donald L Rinehart | 1 | son | None | Pennsylvania |
| 67 | David Reinhart | 21 | Head | Labourer | Pennsylvania |
| 68 | Gladys Reinhart | 20 | wife-H | None | Tennessee |
| 69 | David Jr Reinhart | 0 | son | None | Pennsylvania |
| 70 | Ralph Lehritman | 34 | Head | Salesman | Pennsylvania |
| 71 | Edith Lehritman | 30 | wife-H | None | Pennsylvania |
| 72 | Edwin Lehritman | 3 | son | None | Pennsylvania |
| 73 | Elmer S Brest | 36 | Head | Machinist | Pennsylvania |
| 74 | Edith G Brest | 29 | wife-H | None | Pennsylvania |
| 75 | Wallace A Brest | 7 | son | None | Pennsylvania |
| 76 | Henry Jayne | 45 | Head | Labourer | Indiana |
| 77 | Margaret Jayne | 42 | wife-H | None | Pennsylvania |
| 78 | Roland Jayne | 21 | son | Labourer | Pennsylvania |
| 79 | Raymond Jayne | 16 | son | None | Pennsylvania |
| 80 | Rudolph A Lininger | 38 | Head | Chauffeur | Ohio |
| 81 | Bessie M Lininger | 37 | wife-H | None | Ohio |
| 82 | Harold J Lininger | 8 | son | None | Ohio |
| 83 | Harry E Thompson THIS PERSON | 44 | Head | Engineer | Pennsylvania |
| 84 | Pearl Thompson | 38 | wife-H | None | Pennsylvania |
| 85 | Earl L Thompson | 18 | son | None | Pennsylvania |
| 86 | Richard Thompson | 16 | son | None | Pennsylvania |
| 87 | Mary E Thompson | 13 | daughter | None | Pennsylvania |
| 88 | William A Giebner | 39 | Head | Car Repairman | Pennsylvania |
| 89 | Sara Giebner | 42 | wife-H | None | Pennsylvania |
| 90 | Dominick Maski | 42 | Head | Car Repairer | Italy |
| 91 | Mary R Maski | 40 | wife-H | None | Italy |
| 92 | James Maski | 21 | son | Heater | Pennsylvania |
| 93 | Joseph Maski | 18 | son | None | Pennsylvania |
| 94 | Josephine Maski | 17 | daughter | None | Pennsylvania |
| 95 | Mary Maski | 14 | daughter | None | Pennsylvania |
| 96 | Johnie Maski | 12 | daughter | None | Pennsylvania |
| 97 | Mildred Maski | 9 | daughter | None | Pennsylvania |
| 98 | Carl Maski | 6 | son | None | Pennsylvania |
| 99 | Carl W Ferguson | 40 | Head | Labourer | Pennsylvania |
| 100 | Olive Ferguson | 42 | wife-H | None | Pennsylvania |
Pedigree Summary
Harry
Gen 1 · 1 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)