WC
William Conrad — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bronx, New York
Our Model Tree links this William Conrad across the 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 9
b. ~1921
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bronx, New York |
| Surname | Conrad |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City Bronx Borough |
| Est. Birth Year | ~1921 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Conrad | Daughter | — | 7 | ~1923 |
| Joseph Conrad | Son | — | 2 | ~1928 |
| Elizabeth Conrad | Daughter | — | 1 | ~1929 |
| Anthony Conrad | Son | — | 3 | ~1927 |
| Catherine Conrad | Daughter | — | ~1930 | |
| Mary Conrad | Daughter | — | ~1930 | |
| Alice Conrad | Daughter | — | ~1930 | |
| William Conrad | Son | — | 9 | ~1921 |
| William Conrad | Head | — | 35 | ~1895 |
| Elizabeth Conrad | Spouse | — | 30 | ~1900 |
| Robert Conrad | Son | — | 5 | ~1925 |
Census Appearances
1930
Bronx, New …
Son, age 9
Bronx, New York · implied b. ~1921 — 11 household members
| Surname | Conrad |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 19
Nassau-County, New York · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conradis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Inwood |
| 1935 Residence (County) | Nassau |
| Occupation | helper in plumbing |
| Industry | Dad's business |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 30 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Conrad across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Conrad
Son · 1930 · age 9 · b. ~1921 · New York
★ You are viewing this record
Sibling
Robert Conrad
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Conrad
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Conrad
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Conrad
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conrad
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Conrad
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Conrad
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Conrad
Sibling · 1930 · age 1
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 — Bronx, New York
Open full size
1930 US Federal Census — Bronx, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1464:0869)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Stover | 41 | Head | Manager | Germany |
| 2 | Martha Stover | 43 | Wife | — | Germany |
| 3 | Martha Stover | 14 | Daughter | — | New York |
| 4 | Louis Stover | 11 | Son | — | New York |
| 5 | Julius Rudomann | 22 | Head | — | New York |
| 6 | Elizabeth Rudomann | 23 | Wife | — | New York |
| 7 | William Dannum | 47 | Head | — | New York |
| 8 | Elizabeth Dannum | 43 | Wife | — | New York |
| 9 | Elizabeth Dannum | 21 | Daughter | Clerk | New York |
| 10 | William Dannum | 18 | Son | — | New York |
| 11 | John Dannum | 14 | Son | — | New York |
| 12 | George Dannum | 10 | Son | — | New York |
| 13 | Vincent De Meo | 40 | Head | Chauffeur | Italy |
| 14 | Mary De Meo | 30 | Wife | — | England |
| 15 | Ralph De Meo | 11 | Son | — | New York |
| 16 | Vincent Jr. De Meo | 9 | Son | — | New York |
| 17 | Constance De Meo | 6 | Daughter | — | New York |
| 18 | Frances De Meo | 4 | Daughter | — | New York |
| 19 | Dominick De Meo | 1 | Son | — | New York |
| 20 | Arthur Homer | 19 | Head | — | New York |
| 21 | Frances Homer | 19 | Wife | — | New York |
| 22 | Frank Palko | 63 | Head | — | Poland |
| 23 | Frank Palko | 24 | Son | — | New York |
| 24 | Margaret Palko | 22 | Daughter | — | New York |
| 25 | Lydia Palko | 19 | Daughter | — | New York |
| 26 | Anna Palko | 17 | Daughter | — | New York |
| 27 | Louis Larkin | 31 | Head | — | Germany |
| 28 | Alice Larkin | 30 | Wife | — | New York |
| 29 | Alice Larkin | 8 | Daughter | — | New York |
| 30 | Louis Spear | 42 | Head | Fireman | New York |
| 31 | Margaret Spear | 31 | Wife | — | New York |
| 32 | Joan Spear | 1 | Daughter | — | New York |
| 33 | William Conrad | 35 | Head | — | New York |
| 34 | Elizabeth Conrad | 30 | Wife | — | New York |
| 35 | William Conrad THIS PERSON | 9 | Son | — | New York |
| 36 | Dorothy Conrad | 7 | Daughter | — | New York |
| 37 | Robert Conrad | 5 | Son | — | New York |
| 38 | Anthony Conrad | 3 | Son | — | New York |
| 39 | Joseph Conrad | 2 | Son | — | New York |
| 40 | Elizabeth Conrad | 1 | Daughter | — | New York |
| 41 | Mary Conrad | 0 | Daughter | — | New York |
| 42 | Catherine Conrad | 0 | Daughter | — | New York |
| 43 | Alice Conrad | 0 | Daughter | — | New York |
| 44 | John Domagalski | 33 | Head | — | Poland |
| 45 | Mary Domagalski | 25 | Wife | — | Poland |
| 46 | John Domagalski | 9 | Son | — | New York |
| 47 | Joseph Domagalski | 7 | Son | — | New York |
| 48 | Edward Domagalski | 5 | Son | — | New York |
| 49 | Helen Domagalski | 3 | Daughter | — | New York |
| 50 | Stanley Domagalski | 1 | Son | — | New York |
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)