WF
William Frederick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Blair, Pennsylvania
Our Model Tree links this William Frederick across the 1920 and 1930 US Censuses in Blair, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Blair, Pennsylvania |
| Surname | Frederick |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 17 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Silk Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Logan Township |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lulu Frederick | Spouse | — | 49 | ~1881 |
| William Frederick | Son | — | 17 | ~1913 |
| Samuel Frederick | Head | — | 43 | ~1887 |
| Ruth Frederick | Daughter | — | 13 | ~1917 |
| Ester Frederick | Daughter | — | 11 | ~1919 |
| Lucy Frederick | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 6
Blair, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Son, age 17
Blair, Pennsylvania · implied b. ~1913 — 6 household members
| Surname | Frederick |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 17 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Silk Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 William Frederick across 2 US Census years (1920 and 1930) in Blair, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Frederick
Son · 1930 · age 17 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Lucy Frederick
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ester Frederick
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Frederick
Sibling · 1930 · age 13
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 — Blair, Pennsylvania
Open full size
1930 US Federal Census — Blair, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2005:0597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George F Peterman | 12 | Son | — | Pennsylvania |
| 52 | Raymond L Peterman | 8 | Son | — | Pennsylvania |
| 53 | Maybelle A Peterman | 4 | Daughter | — | Pennsylvania |
| 54 | Harry D Sipes | 39 | Head | — | Pennsylvania |
| 55 | Martha M Sipes | 28 | Wife | — | Pennsylvania |
| 56 | Thomas R Michael | 30 | Head | Car Repairer | Pennsylvania |
| 57 | Ruth E Michael | 22 | Wife | — | Pennsylvania |
| 58 | Thomas Jr Michael | 3 | Son | — | Pennsylvania |
| 59 | Joseph H Michael | 1 | Son | — | Pennsylvania |
| 60 | William C Robinson | 36 | Head | Car Inspector | Pennsylvania |
| 61 | Ruth R Robinson | 29 | Wife | — | Pennsylvania |
| 62 | Samuel M Frederick | 43 | Head | Helper | Pennsylvania |
| 63 | Lulu F Frederick | 49 | Wife | — | Pennsylvania |
| 64 | William G Frederick THIS PERSON | 17 | Son | Laborer | Pennsylvania |
| 65 | Ruth E Frederick | 13 | Daughter | — | Pennsylvania |
| 66 | Ester M Frederick | 11 | Daughter | — | Pennsylvania |
| 67 | Lucy C Frederick | 9 | Daughter | — | Pennsylvania |
| 68 | James E Bloom | 52 | Head | Repairer | Pennsylvania |
| 69 | Carrie E Bloom | 59 | Wife | — | Pennsylvania |
| 70 | Elda B Bloom | 21 | Daughter | — | Pennsylvania |
| 71 | Jesse G Kester | 36 | Head | — | Pennsylvania |
| 72 | Cora I Kester | 32 | Wife | — | Pennsylvania |
| 73 | Armilla J Kester | 10 | Daughter | — | Pennsylvania |
| 74 | Burton G Kester | 8 | Son | — | Pennsylvania |
| 75 | Harry R Kable | 33 | Head | Helper | Pennsylvania |
| 76 | Laura M Kable | 37 | Wife | — | Belgium |
| 77 | Lewis H Reid | 60 | Head | Laborer | Pennsylvania |
| 78 | Dora B Reid | 49 | Wife | — | Pennsylvania |
| 79 | Evalin N Reid | 23 | Daughter | Weaver | Pennsylvania |
| 80 | Zayda P Reid | 21 | Daughter | — | Pennsylvania |
| 81 | Arletta B Reid | 20 | Daughter | Weaver | Pennsylvania |
| 82 | Elva M Reid | 19 | Daughter | — | Pennsylvania |
| 83 | Dora M Reid | 17 | Daughter | — | Pennsylvania |
| 84 | Armeda H Reid | 15 | Daughter | — | Pennsylvania |
| 85 | Vincent C Reid | 13 | Son | — | Pennsylvania |
| 86 | Lawrence A Reid | 11 | Son | — | Pennsylvania |
| 87 | Everett V Reid | 8 | Son | — | Pennsylvania |
| 88 | Harry G Ruffner | 26 | Head | Helper | Pennsylvania |
| 89 | Kathrin Ruffner | 28 | Wife | — | Pennsylvania |
| 90 | George C Ruffner | 2 | Son | — | Pennsylvania |
| 91 | Mary J Ruffner | 0 | Daughter | — | Pennsylvania |
| 92 | Martin T Lott | 70 | Head | — | Pennsylvania |
| 93 | Nettie J Lott | 63 | Wife | — | Pennsylvania |
| 94 | Lloyd W Hamilton | 35 | Head | Salesman | Pennsylvania |
| 95 | Olive G Hamilton | 25 | Wife | — | Pennsylvania |
| 96 | Edward L Hamilton | 49 | Uncle | Pipefitter | Pennsylvania |
| 97 | Walter H Hamilton | 47 | Uncle | Helper | Pennsylvania |
| 98 | George M Kable | 34 | Head | Laborer | Pennsylvania |
| 99 | Hazel M Kable | 32 | Wife | — | Pennsylvania |
| 100 | Martha E Kable | 12 | Daughter | — | Pennsylvania |
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)