MP
Mary Pierce — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Pierce across the 1920 and 1930 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Pierce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City City |
| 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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Pierce | Daughter | — | 13 | ~1917 |
| Dolores Pierce | Daughter | — | 5 | ~1925 |
| Catherine Pierce | Daughter | — | 15 | ~1915 |
| Helen Pierce | Daughter | — | 11 | ~1919 |
| Veronica Pierce | Daughter | — | 1 | ~1929 |
| Rita Pierce | Daughter | — | 8 | ~1922 |
| Lorraine Pierce | Daughter | — | 9 | ~1921 |
| William Pierce | Head | — | 40 | ~1890 |
| William Pierce | Son | — | 16 | ~1914 |
| Sarah Pierce | Spouse | — | 33 | ~1897 |
Census Appearances
1920
Hudson, New …
Daughter, age 3
Hudson, New Jersey · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 13
Hudson, New Jersey · implied b. ~1917 — 10 household members
| Surname | Pierce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| 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 Mary Pierce across 2 US Census years (1920 and 1930) in Hudson, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Pierce
Daughter · 1930 · age 13 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
Dolores Pierce
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Pierce
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Pierce
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Pierce
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Pierce
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Pierce
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Pierce
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 — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1353:0006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Peter Byron | 15 | Son | — | New York |
| 52 | Walter Ludwig | 50 | Head | Carpenter | Germany |
| 53 | Elizabeth Ludwig | 46 | Wife | — | New Jersey |
| 54 | Walter H. Ludwig | 16 | Son | — | New Jersey |
| 55 | John H. Ludwig | 7 | Son | — | New Jersey |
| 56 | Robert O. P. Ludwig | 5 | Son | — | New Jersey |
| 57 | Michael A. Mcdermott | 57 | Head | Clerk | New York |
| 58 | Anna V. Mcdermott | 42 | Wife | — | New York |
| 59 | Bruno A. Hohenstein | 37 | Head | Machinist | Germany |
| 60 | Olga D. Hohenstein | 30 | Wife | — | Germany |
| 61 | Selma C. Hohenstein | 2 | Daughter | — | New Jersey |
| 62 | Harry B. Hohenstein | 1 | Son | — | New Jersey |
| 63 | Ernest Manpach | 50 | Head | Cutter | Germany |
| 64 | Ottilie S. Manpach | 38 | Wife | — | Germany |
| 65 | Ottilie J. Manpach | 16 | Daughter | Bookkeeper | New York |
| 66 | Edward J. Manpach | 8 | Son | — | New Jersey |
| 67 | Richard B. Frizell | 72 | Head | — | England |
| 68 | Michael J. Mcconville | 36 | Head | Crane Operat. | Ireland |
| 69 | Mae C. Mcconville | 29 | Wife | — | New York |
| 70 | Michael J. Jr. Mcconville | 9 | Son | — | New York |
| 71 | Edward J. Mcconville | 8 | Son | — | New York |
| 72 | George F. Mcconville | 2 | Son | — | New Jersey |
| 73 | Henry Felix | 44 | Head | Washer | Austria |
| 74 | Barbara Felix | 39 | Wife | — | Austria |
| 75 | Stephen K. Felix | 23 | Son | Clerk | New Jersey |
| 76 | Michael K. Felix | 17 | Son | — | New Jersey |
| 77 | Sam Felix | 8 | Son | — | New Jersey |
| 78 | Theodore Felix | 5 | Son | — | New Jersey |
| 79 | William E. Pierce | 40 | Head | Operator | New Jersey |
| 80 | Sarah Pierce | 33 | Wife | — | Pennsylvania |
| 81 | William E. Jr. Pierce | 16 | Son | Driller | New Jersey |
| 82 | Catherine Pierce | 15 | Daughter | — | New Jersey |
| 83 | Mary Pierce THIS PERSON | 13 | Daughter | — | New Jersey |
| 84 | Helen Pierce | 11 | Daughter | — | New Jersey |
| 85 | Lorraine Pierce | 9 | Daughter | — | Massachusetts |
| 86 | Rita Pierce | 8 | Daughter | — | New Jersey |
| 87 | Dolores C. Pierce | 5 | Daughter | — | New Jersey |
| 88 | Veronica Pierce | 1 | Daughter | — | New Jersey |
| 89 | Henry C. Gormer | 29 | Head | Draftsman | Dist. Columbia |
| 90 | Brunetta W. Gormer | 29 | Wife | — | Virginia |
| 91 | Charles H. Gormer | 11 | Son | — | Dist. Columbia |
| 92 | Edward P. Gormer | 9 | Son | — | Dist. Columbia |
| 93 | Blanche M. L. Gormer | 5 | Daughter | — | Maryland |
| 94 | Clarence Monard | 34 | Head | Machine Hand | New Jersey |
| 95 | Mary E. Monard | 47 | Wife | — | New York |
| 96 | Arthur R. Monard | 24 | Son | Clerk | New Jersey |
| 97 | Nathan R. Monard | 20 | Son | Chauffeur | New Jersey |
| 98 | George C. Monard | 19 | Son | Drill Press | New Jersey |
| 99 | Harold M. Monard | 17 | Son | Messenger | New Jersey |
| 100 | Sarah Fuller | 72 | Mother-in-law | — | 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)