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Harry Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Harry Davis across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a head (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Davis |
| Given Name | Harry H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Roll Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Draftsman |
| Township / Ward | Coraopolis Brough |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Harry Davis | Head | — | 30 | ~1900 |
| Loma Shafer | Other | — | 17 | ~1913 |
| Nelson Davis | Son | — | 8 | ~1922 |
| Mary Davis | Spouse | — | 28 | ~1902 |
Census Appearances
1900
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Aug |
| Birth Year | 1898 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 19
Allegheny, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| 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
Allegheny, Pennsylvania
Head, age 30
Allegheny, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Davis |
| Given Name | Harry H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Draftsman |
| Industry | Roll Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 40
Allegheny-County, Pennsylvania · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davies |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | salesman |
| Industry | specialties |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1100 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Davis across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Davis (~0.92 confidence) and father Harry Davis (~0.92 confidence) and mother Emma Davis (~0.92 confidence) and mother Anna Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and mother Barbara Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Davis
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Harry Davis
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Emma Davis
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Anna Davis
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
James Davis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Barbara Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Davis
Head · 1930 · age 30 · b. ~1900 · 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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1962:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma L Shafer | 16 | Daughter | — | Pennsylvania |
| 52 | Harry L Shafer | 15 | Son | — | Pennsylvania |
| 53 | Lloyd L Shafer | 13 | Son | — | Pennsylvania |
| 54 | Lyle P Shafer | 12 | Son | — | Pennsylvania |
| 55 | James Neringold | 30 | Head | Truck Driver | Pennsylvania |
| 56 | Harriet Neringold | 27 | Wife | — | Pennsylvania |
| 57 | Albert Neringold | 7 | Son | — | Pennsylvania |
| 58 | Paul D Neringold | 5 | Son | — | Pennsylvania |
| 59 | Harriet Neringold | 64 | Mother | — | Pennsylvania |
| 60 | Frank J Guckert | 52 | Head | Blower | Belgium |
| 61 | Virginia Guckert | 50 | Wife | — | Pennsylvania |
| 62 | Harry H Davis THIS PERSON | 30 | Head | Draftsman | Pennsylvania |
| 63 | Mary A Davis | 28 | Wife | — | Pennsylvania |
| 64 | Nelson Davis | 8 | Son | — | Pennsylvania |
| 65 | Loma Shafer | 17 | Sister-in-law | — | Pennsylvania |
| 66 | Minnie Humphrey | 61 | Head | — | Pennsylvania |
| 67 | Jeanette Humphrey | 31 | Daughter | Teacher | Pennsylvania |
| 68 | Inge G Folden | 42 | Lodger | Engineer | Norway |
| 69 | John E Cherrie | 42 | Head | Principal | Pennsylvania |
| 70 | Mary M Cherrie | 43 | Wife | — | Pennsylvania |
| 71 | Ruth Cherrie | 15 | Daughter | — | Pennsylvania |
| 72 | Wynnie Musser | 48 | Head | Teacher | Pennsylvania |
| 73 | Florence J Musser | 42 | Sister | Teacher | Pennsylvania |
| 74 | Oliver E Uppard | 60 | Head | Checker | Pennsylvania |
| 75 | Armenia P Uppard | 50 | Wife | — | Pennsylvania |
| 76 | Anna Trimble | 52 | Lodger | Reporter | Pennsylvania |
| 77 | Jennie Nesbit | 70 | Head | — | Pennsylvania |
| 78 | Russell Nesbit | 35 | Son | Pay Clerk | Pennsylvania |
| 79 | Olga Nesbit | 35 | Daughter-in-law | — | Pennsylvania |
| 80 | Helen G Nesbit | 31 | Daughter | — | Pennsylvania |
| 81 | William J Nevan | 82 | Head | — | Northern Ireland |
| 82 | Jennie M Nevan | 77 | Wife | — | Northern Ireland |
| 83 | Mary M Nevan | 47 | Daughter | — | Pennsylvania |
| 84 | Nella M Nevan | 45 | Daughter | Stenographer | Pennsylvania |
| 85 | Edgar P Christopher | 36 | Head | Accountant | Pennsylvania |
| 86 | Catherine Christopher | 36 | Wife | — | Pennsylvania |
| 87 | Emma J Christopher | 11 | Daughter | — | Pennsylvania |
| 88 | David W Christopher | 7 | Son | — | Pennsylvania |
| 89 | Isaac N Mcnary | 52 | Head | President | Pennsylvania |
| 90 | Cora M Mcnary | 46 | Wife | — | Pennsylvania |
| 91 | John L Hindrath | 62 | Head | Engineer | Germany |
| 92 | Katherine Hindrath | 58 | Wife | — | Kentucky |
| 93 | Kathryn Hindrath | 27 | Daughter | — | Pennsylvania |
| 94 | David J Hindrath | 25 | Son | — | Pennsylvania |
| 95 | Elizabeth E Reater | 73 | Sister-in-law | — | Kentucky |
| 96 | Thomas E Frenche | 44 | Head | Salesman | Pennsylvania |
| 97 | Margaret P Frenche | 43 | Wife | — | Pennsylvania |
| 98 | Ruth E Frenche | 17 | Daughter | — | Pennsylvania |
| 99 | Arthur E Frenche | 15 | Son | — | Pennsylvania |
| 100 | John L Hilliard | 38 | Head | Druggist | Pennsylvania |
Pedigree Summary
Harry
Gen 1 · 6 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)