WO
William Oliver — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Haven, Connecticut
Our Model Tree links this William Oliver across the 1930 and 1940 US Censuses in New Haven, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 10-person household.
Age 51
b. ~1879
Male
Head
Born: Virginia
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | New Haven, Connecticut |
| Surname | Oliver |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | House Man |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18.00 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | House Man |
| Township / Ward | Meriden City |
| Est. Birth Year | ~1879 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Clara Oliver | Daughter | — | 16 | ~1914 |
| Marion Oliver | Daughter | — | 14 | ~1916 |
| William Oliver | Head | — | 51 | ~1879 |
| Charles Oliver | Son | — | 5 | ~1925 |
| Alvin Oliver | Son | — | 9 | ~1921 |
| William Oliver | Son | — | 15 | ~1915 |
| Rodney Oliver | Son | — | 8 | ~1922 |
| H Oliver | Son | — | 11 | ~1919 |
| Claude Oliver | Son | — | 13 | ~1917 |
| Raymond Oliver | Son | — | 4 | ~1926 |
Census Appearances
1930
New Haven, …
Head, age 51
New Haven, Connecticut · implied b. ~1879 — 10 household members
| Surname | Oliver |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | House Man |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18.00 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
New-Haven-County, Connecticut
Other, age 62
New-Haven-County, Connecticut · implied b. ~1878 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | William |
| Relationship to Head | Houseman |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Virginia |
| 1935 Residence (City) | Meriden City |
| 1935 Residence (County) | New Haven |
| Occupation | Houseman |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1820 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Oliver across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Oliver
Head · 1930 · age 51 · b. ~1879 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New Haven, Connecticut
Open full size
1930 US Federal Census — New Haven, Connecticut
Page Contents
50 people indexed on this census page (ia:1930:15thcensus273unit:0638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles J Vallier | 23 | Son | Repair Man | New Hampshire |
| 2 | Lionel E Vallier | 20 | Son | Silver Smith | New Hampshire |
| 3 | William Mahan | 30 | Son-in-law | Driver | Connecticut |
| 4 | John W Wiseman | 68 | Head | Carpenter | Sweden |
| 5 | Wilhelmina Wiseman | 76 | Wife-H | — | Sweden |
| 6 | Lillian Lewis | 51 | Head | — | Connecticut |
| 7 | Cora E Lewis | 31 | Daughter | Maker Boxes | Connecticut |
| 8 | Anthony J Bellille | 62 | Boarder | Stock Clerk | Canada-French |
| 9 | Samuel L Bingham | 71 | Boarder | Painter | Connecticut |
| 10 | Alphonse Brandon | 36 | Boarder | Roofer | Canada-French |
| 11 | Allen Washington | 33 | Head | — | Virginia |
| 12 | Evelyn F Brown | 29 | Daughter-H | — | Connecticut |
| 13 | Warren F Brown | 10 | Grand-son | — | Connecticut |
| 14 | Edward L Brown | 5 | Grand-son | — | Connecticut |
| 15 | Phyllis M Brown | 3 | Grand-daughter | — | Connecticut |
| 16 | Harold A Brown | 1 | Grand-son | — | Connecticut |
| 17 | William R Oliver THIS PERSON | 51 | Head | House Man | Virginia |
| 18 | Clara D Oliver | 16 | Daughter | — | Connecticut |
| 19 | William R Oliver | 15 | Son | — | Connecticut |
| 20 | Marion A Oliver | 14 | Daughter | — | Connecticut |
| 21 | Claude W Oliver | 13 | Son | — | Connecticut |
| 22 | H Curtis Oliver | 11 | Son | — | Connecticut |
| 23 | Alvin L Oliver | 9 | Son | — | Connecticut |
| 24 | Rodney F Oliver | 8 | Son | — | Connecticut |
| 25 | Charles L Oliver | 5 | Son | — | Connecticut |
| 26 | Raymond L Oliver | 4 | Son | — | Connecticut |
| 27 | John Wenzel | 36 | Head | — | Connecticut |
| 28 | Angelo Baptist | 54 | Head | Laborer | Italy |
| 29 | Caroline Baptist | 44 | Wife-H | — | Italy |
| 30 | Minnie M Baptist | 22 | Daughter | Inspector | Connecticut |
| 31 | Anthony J Baptist | 20 | Son | Butcher | Connecticut |
| 32 | Jennie M Baptist | 18 | Daughter | Office Girl | Connecticut |
| 33 | Mary A Baptist | 15 | Daughter | — | Connecticut |
| 34 | Fredrick J Baptist | 13 | Son | — | Connecticut |
| 35 | Olaf H Claus | 30 | Head | Driver | Sweden |
| 36 | Katherine Claus | 29 | Wife-H | Waitress | Irish Free State |
| 37 | Anthony Hanlon | 34 | Head | Laborer | Poland |
| 38 | Caroline Hanlon | 38 | Wife-H | — | Poland |
| 39 | Bernice A Hanlon | 14 | Daughter | — | Connecticut |
| 40 | Charles Casimir Hanlon | 12 | Son | — | Connecticut |
| 41 | Edward Hanlon | 9 | Son | — | Connecticut |
| 42 | Vincenzo D'Agata | 45 | Head | Machine Fixer | Italy |
| 43 | Caroline D'Agata | 46 | Wife-H | — | Italy |
| 44 | Albert D'Agata | 8 | Son | — | Connecticut |
| 45 | Clinton L Taylor | 31 | Head | Truckman | Connecticut |
| 46 | Mabel A Taylor | 31 | Wife-H | — | Connecticut |
| 47 | Oliver Nadeau | 27 | Head | Grinder | Canada-French |
| 48 | Marion Nadeau | 20 | Wife-H | — | New Hampshire |
| 49 | Roger C Nadeau | 4 | Son | — | Connecticut |
| 50 | Roland A Nadeau | 1 | Son | — | Connecticut |
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)