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Mary Mcclain — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Mary Mcclain across the 1920 and 1930 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, New Jersey |
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Yardville |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Mcclain | Head | — | 53 | ~1877 |
| Helen Mcclain | Daughter | — | 11 | ~1919 |
| Elizabeth Mcclain | Daughter | — | 19 | ~1911 |
| Mary Mcclain | Daughter | — | 16 | ~1914 |
| Eileen Mcclain | Daughter | — | 9 | ~1921 |
| Julia Mcclain | Spouse | — | 51 | ~1879 |
| Veronica Mcclain | Daughter | — | 14 | ~1916 |
| Julia Mcclain | Daughter | — | 21 | ~1909 |
Census Appearances
1920
Mercer, New …
Daughter, age 6
Mercer, New Jersey · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Daughter, age 16
Mercer, New Jersey · implied b. ~1914 — 8 household members
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| 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 Mcclain across 2 US Census years (1920 and 1930) in Mercer, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcclain
Daughter · 1930 · age 16 · b. ~1914 · New Jersey
★ You are viewing this record
Sibling
Veronica Mcclain
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcclain
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mcclain
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcclain
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Mcclain
Sibling · 1930 · age 9
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 — Mercer, New Jersey
Open full size
1930 US Federal Census — Mercer, New Jersey
Page Contents
49 people indexed on this census page (ia:1930:newjerseycensus00reel1362:0552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harriet Unverzhagt | 20 | Wife | None | New Jersey |
| 52 | Mary Unverzhagt | 0 | Daughter | None | New Jersey |
| 53 | H. Harry Chapman | 44 | Head | None | New Jersey |
| 54 | Joseph Callan | 50 | Boarder | Potter | New Jersey |
| 55 | Harold Naylor | 19 | Boarder | Workman | New York |
| 56 | Robert Mcclain | 43 | Head | Foreman | New Jersey |
| 57 | Nellie Mcclain | 43 | Wife | None | New Jersey |
| 58 | Robert Mcclain | 21 | Son | Laborer | New Jersey |
| 59 | George Mcclain | 19 | Son | Laborer-Beetle | New Jersey |
| 60 | Donald Mcclain | 12 | Son | None | New Jersey |
| 61 | Charles Rabatie | 35 | Head | Carpenter | New Jersey |
| 62 | Alice Rabatie | 34 | Wife | None | New Jersey |
| 63 | S. Edward Titus | 53 | Head | Painter | New Jersey |
| 64 | P. Edith Titus | 50 | Wife | None | Georgia |
| 65 | Esther Titus | 20 | Daughter | Stenographer | New Jersey |
| 66 | John Ferris | 58 | Head | Laborer | Delaware |
| 67 | Amanda Ferris | 49 | Wife | None | Germany |
| 68 | John Ferris | 2 | Grandson | None | New Jersey |
| 69 | Frank Somerville | 31 | Head | Laborer | New Jersey |
| 70 | Jewell Somerville | 31 | Wife | None | New Jersey |
| 71 | Mary Somerville | 10 | Daughter | None | New York |
| 72 | Frank Somerville | 8 | Son | None | New Jersey |
| 73 | Jewell Somerville | 7 | Daughter | None | New Jersey |
| 74 | Robert Somerville | 5 | Son | None | Pennsylvania |
| 75 | Joseph Christoff | 40 | Head | Accountant | New Jersey |
| 76 | Marion Christoff | 36 | Wife | None | Pennsylvania |
| 77 | Harold Christoff | 10 | Son | None | New Jersey |
| 78 | Marion Christoff | 8 | Daughter | None | Pennsylvania |
| 79 | Alice Christoff | 6 | Daughter | None | Pennsylvania |
| 80 | Joseph Christoff | 77 | Father | None | New Jersey |
| 81 | P. Florence Dills | 61 | Mother | None | New York |
| 82 | Marion Dills | 41 | Daughter | None | New Jersey |
| 83 | Charles Mcclain | 53 | Head | Laborer | New Jersey |
| 84 | Julia Mcclain | 51 | Wife | None | New Jersey |
| 85 | Julia Mcclain | 21 | Daughter | Teacher | New Jersey |
| 86 | Elizabeth Mcclain | 19 | Daughter | Stenographer | New Jersey |
| 87 | Mary Mcclain THIS PERSON | 16 | Daughter | None | New Jersey |
| 88 | Veronica Mcclain | 14 | Daughter | None | New Jersey |
| 89 | Helen Mcclain | 11 | Daughter | None | New Jersey |
| 90 | Eileen Mcclain | 9 | Daughter | None | New Jersey |
| 91 | B. Harry Hayman | 51 | Head | Produce | New Jersey |
| 92 | A. Mary Hayman | 54 | Wife | None | New Jersey |
| 93 | Harold Hayman | 15 | Son | None | New Jersey |
| 94 | Mary Worth | 61 | Boarder | None | New Jersey |
| 95 | N. James Smith | 76 | Head | None | New Jersey |
| 96 | Eldora Smith | 64 | Wife | None | Virginia |
| 97 | S. Milton Chapman | 79 | Head | None | New Jersey |
| 98 | V. Florence Chapman | 64 | Wife | None | Pennsylvania |
| 99 | Lewis Chapman | 40 | Son | None | 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)