WU
William Underwood — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Camden, New Jersey
Our Model Tree links this William Underwood across the 1920 and 1930 US Censuses in Camden, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 9-person household.
Age 13
b. ~1917
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Camden, New Jersey |
| Surname | Underwood |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Caddy |
| Industry | Country Club |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Caddy |
| Township / Ward | Gloucester City Part Of |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonald | Other | — | 60 | ~1870 |
| Thelma Underwood | Daughter | — | 2 | ~1928 |
| Mary Underwood | Daughter | — | 10 | ~1920 |
| William Underwood | Head | — | 39 | ~1891 |
| Anna Underwood | Other | — | 37 | ~1893 |
| Florence Underwood | Daughter | — | 5 | ~1925 |
| Anna Underwood | Daughter | — | 16 | ~1914 |
| John Underwood | Son | — | 7 | ~1923 |
| William Underwood | Son | — | 13 | ~1917 |
Census Appearances
1920
Camden, New …
Son, age 3
Camden, New Jersey · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 13
Camden, New Jersey · implied b. ~1917 — 9 household members
| Surname | Underwood |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Caddy |
| Industry | Country Club |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Underwood across 2 US Census years (1920 and 1930) in Camden, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
William Underwood
Son · 1930 · age 13 · b. ~1917 · New Jersey
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Sibling
Florence Underwood
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Underwood
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Underwood
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Underwood
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Underwood
Sibling · 1930 · 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
1930 US Federal Census — Camden, New Jersey
Open full size
1930 US Federal Census — Camden, New Jersey
Page Contents
49 people indexed on this census page (ia:1930:newjerseycensus00reel1323:0722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W. Swift | 67 | Head | — | New Jersey |
| 2 | Elizabeth Swift | 66 | Wife | — | England |
| 3 | William E. Swift | 38 | Son | Clerk | New Jersey |
| 4 | George W. Jr. Swift | 33 | Son | Painter | New Jersey |
| 5 | Charles Swift | 26 | Son | Machinist | New Jersey |
| 6 | John Hirst | 52 | Head | Fireman | Germany |
| 7 | Margaret Hirst | 50 | Wife | — | Pennsylvania |
| 8 | Clara Hirst | 16 | Daughter | — | Pennsylvania |
| 9 | William Underwood | 39 | Head | Beater | New Jersey |
| 10 | Anna M. Underwood | 37 | Wife-H | — | New Jersey |
| 11 | Anna M. Underwood | 16 | Daughter | — | New Jersey |
| 12 | William J. Underwood THIS PERSON | 13 | Son | Caddy | New Jersey |
| 13 | Mary J. Underwood | 10 | Daughter | — | New Jersey |
| 14 | John Underwood | 7 | Son | — | New Jersey |
| 15 | Florence Underwood | 5 | Daughter | — | New Jersey |
| 16 | Thelma R. Underwood | 2 | Daughter | — | New Jersey |
| 17 | Mary A. Mcdonald | 60 | Grandmother | — | Pennsylvania |
| 18 | Edward W. Mccoy | 48 | Head | Electrician | Pennsylvania |
| 19 | Alice Mccoy | 46 | Wife-H | — | New Jersey |
| 20 | Mary R. Mccoy | 7 | Daughter | — | Pennsylvania |
| 21 | Benson J. Treat | 40 | Head | Watchman | Iowa |
| 22 | Alice F. Treat | 30 | Wife-H | — | England |
| 23 | Alice R. Treat | 6 | Daughter | — | Pennsylvania |
| 24 | James S. Harvey | 47 | Head | Plumber | New Jersey |
| 25 | Mary Harvey | 39 | Wife | — | Pennsylvania |
| 26 | Emma S. Harvey | 17 | Daughter | Machine Operator | New Jersey |
| 27 | Joseph S. Harvey | 14 | Son | — | New Jersey |
| 28 | John L. Harvey | 12 | Son | — | New Jersey |
| 29 | James J. Harvey | 6 | Son | — | New Jersey |
| 30 | Robert Harvey | 2 | Son | — | New Jersey |
| 31 | George W. Schlofer | 37 | Head | Crane Operator | Pennsylvania |
| 32 | Mary F. Schlofer | 29 | Wife-H | — | New Jersey |
| 33 | George W. Jr. Schlofer | 7 | Son | — | New Jersey |
| 34 | Rhoda Schlofer | 5 | Daughter | — | New Jersey |
| 35 | Leona M. Schlofer | 4 | Daughter | — | New Jersey |
| 36 | Dorothy M. Schlofer | 2 | Daughter | — | New Jersey |
| 37 | Raymond Schlofer | 0 | Son | — | New Jersey |
| 38 | Roscoe S. Stellwag | 29 | Head | Bus Driver | New Jersey |
| 39 | Margaret M. Stellwag | 30 | Wife | — | New Jersey |
| 40 | Richard W. Stellwag | 6 | Son | — | New Jersey |
| 41 | Philip Stellwag | 4 | Son | — | New Jersey |
| 42 | Roscoe S. Jr. Stellwag | 1 | Son | — | New Jersey |
| 43 | George J. Mclean | 49 | Head | Handy Man | New Jersey |
| 45 | August Sauhoffer | 34 | Head | Machine Operator | Germany |
| 46 | Martha S. Sauhoffer | 32 | Wife-H | — | Germany |
| 47 | Gunther Sauhoffer | 11 | Son | — | Germany |
| 48 | Erich R. Sauhoffer | 8 | Son | — | Germany |
| 49 | Hildegard Sauhoffer | 5 | Daughter | — | Germany |
| 50 | Margott E. Sauhoffer | 4 | Daughter | — | New Jersey |
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)