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Mary Maxwell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Morris, New Jersey
Our Model Tree links this Mary Maxwell across the 1920 and 1930 US Censuses in Morris, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 18-person household.
Age 24
b. ~1906
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Morris, New Jersey |
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Montville Village |
| Est. Birth Year | ~1906 |
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.
18 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Maxwell | Son | — | 6 | ~1924 |
| Harry Maxwell | Son | — | 14 | ~1916 |
| Mary Maxwell | Daughter | — | 24 | ~1906 |
| Mary Maxwell | Other | — | 60 | ~1870 |
| Harry Maxwell | Head | — | 63 | ~1867 |
| Harry Maxwell | Son | — | 27 | ~1903 |
| Mary Maxwell | Daughter | — | 4 | ~1926 |
| Harry Maxwell | Son | — | 2 | ~1928 |
| Mary Maxwell | Daughter | — | 16 | ~1914 |
| Mary Maxwell | Daughter | — | 1 | ~1929 |
| Harry Maxwell | Son | — | 18 | ~1912 |
| Harry Maxwell | Son | — | ~1930 | |
| Harry Maxwell | Son | — | 10 | ~1920 |
| Mary Maxwell | Daughter | — | 8 | ~1922 |
| Mary Maxwell | Daughter | — | 20 | ~1910 |
| Harry Maxwell | Son | — | 22 | ~1908 |
| Mary Maxwell | Daughter | — | 12 | ~1918 |
| Mary Maxwell | Daughter | — | ~1930 |
Census Appearances
1920
Essex, New …
Daughter, age 13
Essex, New Jersey · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| 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 | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Morris, New …
Daughter, age 24
Morris, New Jersey · implied b. ~1906 — 18 household members
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| 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 Maxwell across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Maxwell
Daughter · 1930 · age 24 · b. ~1906 · New Jersey
★ You are viewing this record
Sibling
Mary Maxwell
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Maxwell
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Maxwell
Sibling · 1930 · age 16
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 — Morris, New Jersey
Open full size
1930 US Federal Census — Morris, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1374:0030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John E. Kelly | 44 | Head | Clerk | New York |
| 52 | Deborah Kelly | 44 | Wife-H | — | New York |
| 53 | Kenneth E. Kelly | 17 | Son | — | New York |
| 54 | John E. Kelly | 15 | Son | — | New York |
| 55 | Kenneth Kelly | 12 | Son | — | New York |
| 56 | Dorothy Kelly | 7 | Daughter | — | New York |
| 57 | Deborah E. Cyprian | 74 | Mother-in-law | — | New York |
| 58 | Mabel Drake | 76 | Head-H | Writer | New Jersey |
| 59 | Amabel Lake | 50 | Head | — | New York |
| 60 | Eleanor Lake | 30 | Sister | — | New York |
| 61 | Gertrude Lake | 24 | Sister | Clerk | New Jersey |
| 62 | Irene Koenig | 22 | Head | Saleswoman | New Jersey |
| 63 | Stanley Koenig | 29 | Husband | — | New York City |
| 64 | Oscar Koenig | 54 | Head-H | — | New Jersey |
| 65 | Oscar Koenig | 29 | Son | Stenographer | Germany |
| 66 | Pauline Koenig | 27 | Daughter | Mechanic | New Jersey |
| 67 | Madeline Koenig | 24 | Daughter | Stenographer | New Jersey |
| 68 | Charles Hall | 31 | Brother-H | Machinist | New Jersey |
| 69 | Charles E. Koenig | 45 | Head | Clerk | New York |
| 70 | Grace E. Koenig | 45 | Wife-H | — | New York |
| 71 | Frederick Koenig | 13 | Son | — | New York |
| 72 | Grace E. Koenig | 11 | Daughter | — | New York |
| 73 | Augustus H. Koenig | 57 | Head of | Salesman | New Jersey |
| 74 | Elizabeth Koenig | 57 | Wife-H | Saleswoman | Iowa |
| 75 | Oscar Koenig | 22 | Son | — | Ireland |
| 76 | Charlotte F. Koenig | 17 | Daughter | — | New Jersey |
| 77 | Thomas Koenig | 14 | Son | — | Iowa |
| 78 | Charles Koenig | 7 | Son | — | Iowa |
| 79 | Charles Koenig | 27 | Head | — | New Jersey |
| 80 | Irene Koenig | 26 | Wife-H | — | Kansas |
| 81 | Irene Koenig | 3 | Daughter | — | New Jersey |
| 82 | Charles Koenig | 1 | Son | — | New Jersey |
| 83 | Harry Maxwell | 63 | Head | Chemist | New Jersey |
| 84 | Mary Maxwell | 60 | Wife-H | — | New Jersey |
| 85 | Harry Maxwell | 27 | Son | — | New Jersey |
| 86 | Mary Maxwell THIS PERSON | 24 | Daughter | — | New Jersey |
| 87 | Harry Maxwell | 22 | Son | — | New Jersey |
| 88 | Mary Maxwell | 20 | Daughter | — | New Jersey |
| 89 | Harry Maxwell | 18 | Son | — | New Jersey |
| 90 | Mary Maxwell | 16 | Daughter | — | New Jersey |
| 91 | Harry Maxwell | 14 | Son | — | New Jersey |
| 92 | Mary Maxwell | 12 | Daughter | — | New Jersey |
| 93 | Harry Maxwell | 10 | Son | — | New Jersey |
| 94 | Mary Maxwell | 8 | Daughter | — | New Jersey |
| 95 | Harry Maxwell | 6 | Son | — | New Jersey |
| 96 | Mary Maxwell | 4 | Daughter | — | New Jersey |
| 97 | Harry Maxwell | 2 | Son | — | New Jersey |
| 98 | Mary Maxwell | 1 | Daughter | — | New Jersey |
| 99 | Harry Maxwell | 0 | Son | — | New Jersey |
| 100 | Mary Maxwell | 0 | Daughter | — | New Jersey |
Related Census Records
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)