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Frederick Williams — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Frederick Williams across the 1900 and 1910 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1893), then head of a 11-person household.
Age 7
b. ~1893
Male
Son
Born: Pennsylvania
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Allegheny, Pennsylvania |
| Surname | Williams |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1893 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | At School |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | At School |
| Township / Ward | Pittsburg City |
| Est. Birth Year | ~1893 |
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.
11 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Walter Williams | Son | — | 4 | ~1896 |
| William Williams | Head | — | 46 | ~1854 |
| Annie Williams | Daughter | — | 14 | ~1886 |
| Henry Williams | Son | — | 9 | ~1891 |
| John Williams | Son | — | 12 | ~1888 |
| David Williams | Son | — | 10 | ~1890 |
| Aneuryn Williams | Son | — | 2 | ~1898 |
| Thomas Williams | Son | — | 18 | ~1882 |
| Louisiana Williams | Spouse | — | 41 | ~1859 |
| Frederick Williams | Son | — | 7 | ~1893 |
| Margaret Williams | Daughter | — | 16 | ~1884 |
Census Appearances
1900
Allegheny, Pennsylvania
Son, age 7
Allegheny, Pennsylvania · implied b. ~1893 — 11 household members
| Surname | Williams |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1893 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | At School |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Millwork |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 Frederick Williams across 2 US Census years (1900 and 1910) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Frederick Williams
Son · 1900 · age 7 · b. ~1893 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Williams
Sibling · 1900 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aneuryn Williams
Sibling · 1900 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Williams
Sibling · 1900 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Williams
Sibling · 1900 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Williams
Sibling · 1900 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Williams
Sibling · 1900 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Williams
Sibling · 1900 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Williams
Sibling · 1900 · age 10
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
1900 US Federal Census — Allegheny, Pennsylvania
Open full size
1900 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1360unit:0170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bella Wilson | 18 | Daughter | At School | Pennsylvania |
| 2 | Marion Wilson | 12 | Daughter | — | Pennsylvania |
| 3 | Ethel Wilson | 0 | Daughter | — | Pennsylvania |
| 4 | William Williams | 45 | Head | Puddler | England |
| 5 | Louisiana Williams | 41 | Wife | — | England |
| 6 | Thomas Williams | 18 | Son | — | England |
| 7 | Margaret Williams | 15 | Daughter | — | England |
| 8 | Annie Williams | 14 | Daughter | — | England |
| 9 | John W Williams | 11 | Son | At School | Pennsylvania |
| 10 | David Williams | 10 | Son | At School | Pennsylvania |
| 11 | Henry Williams | 9 | Son | At School | Pennsylvania |
| 12 | Frederick Williams THIS PERSON | 6 | Son | At School | Pennsylvania |
| 13 | Walter Williams | 3 | Son | — | Pennsylvania |
| 14 | Aneuryn Williams | 1 | Son | — | Pennsylvania |
| 15 | John Thomas | 43 | Head | Mill Laborer | Pennsylvania |
| 16 | Amanda Thomas | 55 | Wife | — | Pennsylvania |
| 17 | Samuel Thomas | 24 | Son | Pipe Cutter | Pennsylvania |
| 18 | Susana G Thomas | 22 | Daughter | Restaurant-Waitress | Pennsylvania |
| 19 | Benjamin F Malone | 23 | Boarder | Laborer Steel Works | Pennsylvania |
| 20 | Joseph Malone | 14 | Son | — | Pennsylvania |
| 21 | Patrick Lynch | 49 | Head | Mill Laborer | Pennsylvania |
| 22 | Ellen Lynch | 33 | Wife | — | Pennsylvania |
| 23 | John W Lynch | 17 | Son | Pipe Cutter | Pennsylvania |
| 24 | Mary J Lynch | 11 | Daughter | At School | Pennsylvania |
| 25 | Patrick Lynch | 9 | Son | At School | Pennsylvania |
| 26 | Grace C Lynch | 7 | Daughter | — | Pennsylvania |
| 27 | William Lynch | 5 | Son | — | Pennsylvania |
| 28 | Marrie E Lynch | 3 | Daughter | — | Pennsylvania |
| 29 | Thomas Burns | 23 | Boarder | Laborer Pipe Mill | Pennsylvania |
| 30 | Ezekiah Griffiths | 74 | Head | — | Wales |
| 31 | Aneurin Griffiths | 37 | Son | Laborer Copper Mill | England |
| 32 | Patrick Tracy | 33 | Head | — | England |
| 33 | Sarah Tracy | 30 | Wife | — | England |
| 34 | Catherine Tracy | 8 | Daughter | At School | Pennsylvania |
| 35 | Thomas Tracy | 5 | Son | — | Pennsylvania |
| 36 | Mary E Tracy | 3 | Daughter | — | Pennsylvania |
| 37 | Margaret Tracy | 3 | Daughter | — | Pennsylvania |
| 38 | Sarah Tracy | 0 | Daughter | — | Pennsylvania |
| 39 | John Miller | 49 | Head | Puddler | England |
| 40 | Annie Miller | 37 | Wife | — | England |
| 41 | Henry Miller | 2 | Son | — | Pennsylvania |
| 42 | Mary Forgham | 7 | Niece | — | Pennsylvania |
| 43 | Francis Forgham | 3 | Niece | — | Pennsylvania |
| 44 | Mary Forgham | 54 | Mother | — | Ireland |
| 45 | James Crawford | 67 | Boarder | Laborer Mill | Ireland |
| 46 | Robert King | 49 | Boarder | Mill Laborer | England |
| 47 | Walter J Hennibode | 35 | Head | Laborer | England |
| 48 | Mamie Hennibode | 30 | Wife | — | Pennsylvania |
| 49 | John J Keenan | 33 | Head | — | England |
| 50 | Mary E Keenan | 29 | Wife | — | England |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)