RD
Roy Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Roy Davis across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Claude & Claude — first a son (b.~1917), then head of a 5-person household.
Age 13
b. ~1917
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Davis |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Leetsdale Borough |
| Est. Birth Year | ~1917 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Claude Davis | Head | — | 48 | ~1882 |
| Amanda Davis | Other | — | 41 | ~1889 |
| Roy Davis | Son | — | 13 | ~1917 |
| Claude Davis | Son | — | 16 | ~1914 |
| Jack Davis | Son | — | 8 | ~1922 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 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 |
1930
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Davis |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Son, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Turtle Creek Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Clerk |
| Industry | U. Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| 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 Roy Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claude Davis (~0.92 confidence) and father Claude Davis (~0.92 confidence) and mother Amanda Davis (~0.92 confidence) and mother George Nicholson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claude Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Claude Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Amanda Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
George Nicholson
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Davis
Son · 1930 · age 13 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Claude Davis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Davis
Sibling · 1930 · age 8
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1965:0608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mike Schulla | 43 | Head | Laborer | Galicia |
| 52 | Annie Schulla | 41 | Wife-H | — | Galicia |
| 53 | Nicholas Schulla | 21 | Son | Laborer | Pennsylvania |
| 54 | Mike Schulla | 20 | Son | Laborer | Pennsylvania |
| 55 | Stephen Schulla | 18 | Son | — | Pennsylvania |
| 56 | John Schulla | 16 | Son | — | Pennsylvania |
| 57 | Annie Schulla | 15 | Daughter | — | Pennsylvania |
| 58 | Katherine Schulla | 13 | Daughter | — | Pennsylvania |
| 59 | Mary Schulla | 12 | Daughter | — | Pennsylvania |
| 60 | Marion Schulla | 9 | Son | — | Pennsylvania |
| 61 | Paul Schulla | 8 | Son | — | Pennsylvania |
| 62 | Helen Schulla | 7 | Daughter | — | Pennsylvania |
| 63 | Peter Schulla | 6 | Son | — | Pennsylvania |
| 64 | William Schulla | 1 | Son | — | Pennsylvania |
| 65 | Claude E. Davis | 48 | Head | Accountant | Pennsylvania |
| 66 | Amanda Davis | 41 | Wife-H | — | Pennsylvania |
| 67 | Claude Jr. Davis | 16 | Son | — | Pennsylvania |
| 68 | Roy Davis THIS PERSON | 13 | Son | — | Pennsylvania |
| 69 | Jack Davis | 8 | Son | — | Pennsylvania |
| 70 | William G. Davis | 54 | Head | Plumber | Pennsylvania |
| 71 | Alice J. Davis | 40 | Wife-H | — | Pennsylvania |
| 72 | Thomas E. Russell | 48 | Head | Draughtsman | Pennsylvania |
| 73 | Anna Russell | 48 | Wife-H | — | Pennsylvania |
| 74 | John E. Russell | 16 | Son | — | Pennsylvania |
| 75 | Thomas E. Russell | 11 | Son | — | Pennsylvania |
| 76 | Earl B. Woodin | 47 | Head | Engineer | Illinois |
| 77 | Gwendolyn Woodin | 23 | Wife-H | — | Illinois |
| 78 | Gwendolyn Woodin | 20 | Daughter | — | Illinois |
| 79 | Jane Woodin | 14 | Daughter | — | Illinois |
| 80 | Frank Villatuna | 43 | Head | Manager | Italy |
| 81 | Anthony Villatuna | 33 | Brother | Carpenter | Italy |
| 82 | Annie Franca | 42 | Wife-H | — | Italy |
| 83 | Louis Mcslow | 28 | Boarder | Draughtsman | Kentucky |
| 84 | Cornelius Barlow | 51 | Head | Moulder | England |
| 85 | Elizabeth A. Barlow | 49 | Wife-H | — | Pennsylvania |
| 86 | August R. Barlow | 25 | Son | Architect | West Virginia |
| 87 | Charles Barlow | 73 | Father | — | England |
| 88 | Fred Thompson | 29 | Roomer | Iron Worker | Kentucky |
| 89 | Adolph Gross | 60 | Head | Proprietor | Germany |
| 90 | Augusta Gross | 56 | Wife-H | — | Germany |
| 91 | Adolph Gross | 21 | Son | Salesman | Pennsylvania |
| 92 | Theodore Gross | 17 | Son | Salesman | Pennsylvania |
| 93 | William Gross | 13 | Son | — | Pennsylvania |
| 94 | Roy Gross | 23 | Grandson | Puncher | Pennsylvania |
| 95 | Ida Gross | 19 | Daughter-in-law | Saleslady | Pennsylvania |
| 96 | Jennie Hough | 43 | Head-H | — | Pennsylvania |
| 97 | Charles H. Hough | 22 | Son | Clerk | Pennsylvania |
| 98 | Jack Hough | 14 | Son | — | Pennsylvania |
| 99 | Jane Hough | 12 | Daughter | — | Pennsylvania |
| 100 | Wallace Hough | 5 | Son | — | Pennsylvania |
Related Census Records
Pedigree Summary
Roy + 2 siblings
Gen 1 · 4 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)