HD
Harry Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Columbia, Pennsylvania
Our Model Tree links this Harry Davis across the 1910, 1920 and 1930 US Censuses in Columbia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Wesley — first a head (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Columbia, Pennsylvania |
| Surname | Davis |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Centre North Township |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Harry Davis | Head | — | 33 | ~1897 |
| H Davis | Son | — | 1 | ~1929 |
| Phay Davis | Son | — | 12 | ~1918 |
| Paul Davis | Son | — | 11 | ~1919 |
| Grace Davis | Spouse | — | 33 | ~1897 |
Census Appearances
1910
Columbia, Pennsylvania
Son, age 15
Columbia, Pennsylvania · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Columbia, Pennsylvania
Head, age 23
Columbia, Pennsylvania · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Columbia, Pennsylvania
Head, age 33
Columbia, Pennsylvania · implied b. ~1897 — 5 household members
| Surname | Davis |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| 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 3 US Census years (1910, 1920 and 1930) in Columbia, Pennsylvania, using XGBoost record linkage. Identified parents: father Wesley Davis (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wesley Davis
b. ~1860
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Davis
Head · 1930 · age 33 · b. ~1897 · 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 — Columbia, Pennsylvania
Open full size
1930 US Federal Census — Columbia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2024:0088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clark P. Eberly | 56 | Head | Farmer | Pennsylvania |
| 2 | Susie Eberly | 54 | Wife | — | Pennsylvania |
| 3 | Carleton R. Eberly | 21 | Son | — | Pennsylvania |
| 4 | Ruth A. Eberly | 16 | Daughter | Clerk | Pennsylvania |
| 5 | Rozena G. Eberly | 13 | Daughter | — | Pennsylvania |
| 6 | Clark Junior Eberly | 10 | Son | — | Pennsylvania |
| 7 | Harry H. Davis THIS PERSON | 33 | Head | — | Pennsylvania |
| 8 | Grace E. Davis | 33 | Wife | Machine Hand | Pennsylvania |
| 9 | Phay R. Davis | 12 | Son | — | Pennsylvania |
| 10 | Paul R. Davis | 11 | Son | — | Pennsylvania |
| 11 | H. Harold Davis | 1 | Son | — | Pennsylvania |
| 12 | John S. Havanick | 32 | Head | Farmer | Czechoslovakia |
| 13 | Caroline A. Havanick | 29 | Wife | — | Czechoslovakia |
| 14 | Esther Havanick | 8 | Daughter | — | Pennsylvania |
| 15 | Carl Havanick | 7 | Son | — | Pennsylvania |
| 16 | Steve Havanick | 5 | Son | — | Pennsylvania |
| 17 | John Havanick | 4 | Son | — | Pennsylvania |
| 18 | Caroline Havanick | 3 | Daughter | — | Pennsylvania |
| 19 | Joseph Havanick | 1 | Son | — | Pennsylvania |
| 20 | Martin Kovar | 48 | Head | Farmer | Czechoslovakia |
| 21 | Anna Kovar | 49 | Wife | — | Czechoslovakia |
| 22 | Martin Kovar | 19 | Son | — | Pennsylvania |
| 23 | Helen Kovar | 14 | Daughter | — | Pennsylvania |
| 24 | Mildred Kovar | 13 | Son | — | Pennsylvania |
| 25 | Steve Kovar | 12 | Son | — | Pennsylvania |
| 26 | Ruth Kovar | 7 | Daughter | — | Pennsylvania |
| 27 | Henry G. Adams | 34 | Head | Truck Driver | Pennsylvania |
| 28 | Hannah H. Adams | 38 | Wife | — | Pennsylvania |
| 29 | Florence A. Adams | 2 | Daughter | — | Pennsylvania |
| 30 | Henry M. Adams | 0 | Son | — | Pennsylvania |
| 31 | Gladys N. Taylor | 7 | Daughter | — | Pennsylvania |
| 32 | Jerry Insel | 74 | Head | Farmer | Pennsylvania |
| 33 | Emma A. Insel | 48 | Wife | — | Pennsylvania |
| 34 | Beatrice S. Insel | 9 | Daughter | — | Pennsylvania |
| 35 | Warren S. Halfpenny | 35 | Head | Bus Driver | Pennsylvania |
| 36 | Marion M. Halfpenny | 30 | Wife | — | Pennsylvania |
| 37 | Phyllis J. Halfpenny | 3 | Daughter | — | Pennsylvania |
| 38 | Caroline S. Halfpenny | 81 | Mother | — | Pennsylvania |
| 39 | Eugene E. Young | 62 | Head | Farmer | Pennsylvania |
| 40 | Paulina R. Young | 53 | Wife | — | Pennsylvania |
| 41 | Harold R. Young | 23 | Son | Laborer | Pennsylvania |
| 42 | Doyle S. Young | 18 | Son | Laborer | Pennsylvania |
| 43 | Paul D. Young | 14 | Son | — | Pennsylvania |
| 44 | Ara J. Young | 10 | Son | — | Pennsylvania |
| 45 | Harry N. Ester | 44 | Head | Farmer | Pennsylvania |
| 46 | Alma B. Ester | 43 | Wife | — | Pennsylvania |
| 47 | Lucille H. Ester | 17 | Daughter | — | Pennsylvania |
| 48 | Fred E. Ester | 14 | Son | — | Pennsylvania |
| 49 | Wilson W. Coleman | 60 | Head | Farmer | Pennsylvania |
| 50 | Catherine Coleman | 61 | Wife | — | 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)