MB
Mary Ballard — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Ballard across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 40
b. ~1890
Female
Spouse
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Ballard |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | East Orange City |
| Est. Birth Year | ~1890 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frederick Ballard | Son | — | 22 | ~1908 |
| Mary Ballard | Spouse | — | 40 | ~1890 |
| Eugene Ballard | Son | — | 20 | ~1910 |
| Perry Ballard | Head | — | 38 | ~1892 |
Census Appearances
1920
Essex, New …
Spouse, age 29
Essex, New Jersey · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ballard |
| Given Name | Mary E |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Essex, New …
Spouse, age 40
Essex, New Jersey · implied b. ~1890 — 4 household members
| Surname | Ballard |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Essex-County, New …
Spouse, age 50
Essex-County, New Jersey · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ballard |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | East Orange |
| 1935 Residence (County) | Essex |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Ballard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ballard
Spouse · 1930 · age 40 · b. ~1890 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1330:0033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rose Booker | 38 | Wife | Cook | Virginia |
| 52 | Maggie Smith | 45 | Head | Laundress | Virginia |
| 53 | Mary Smith | 22 | Daughter | Cook | Virginia |
| 54 | Florence Thomas | 48 | Head | Maid | Virginia |
| 55 | Mary David | 33 | Head | Laundress | Florida |
| 56 | King David | 18 | Son | — | Florida |
| 57 | Isiah David | 16 | Son | — | Florida |
| 58 | Louise David | 14 | Daughter | — | Georgia |
| 59 | Wylie David | 10 | Daughter | — | New Jersey |
| 60 | Lula David | 6 | Daughter | — | New Jersey |
| 61 | Alexander Ellis | 29 | Head | — | Virginia |
| 62 | Annie Ellis | 31 | Wife | Gardner | Virginia |
| 63 | Abraham Ellis | 26 | Cousin | — | Virginia |
| 64 | Joseph Ellis | 24 | Cousin | Laborer | Virginia |
| 65 | Herman Whitted | 20 | Boarder | Porter | Virginia |
| 66 | Walter Hamilton | 30 | Head | Porter | North Carolina |
| 67 | Mildred Hamilton | 29 | Wife | Driver | New York |
| 68 | William Hamilton | 8 | Son | — | New Jersey |
| 69 | Janet Hamilton | 6 | Daughter | — | New Jersey |
| 70 | Walter Hamilton | 4 | Son | — | New Jersey |
| 71 | Dorothy Hamilton | 2 | Daughter | — | New Jersey |
| 72 | Huldah Alexander | 21 | Sister-in-law | — | New York |
| 73 | Fern Alexander | 2 | Niece | — | New Jersey |
| 74 | Howard Miller | 39 | Head | Mason | Virginia |
| 75 | Mabel Miller | 36 | Wife | — | Virginia |
| 76 | Henry Miller | 22 | Brother | Chauffeur | Virginia |
| 77 | Gertrude Scott | 18 | Step-daughter | Maid | Virginia |
| 78 | Joseph Jenkins | 41 | Head | — | Georgia |
| 79 | Harold Jenkins | 17 | Son | Laundress | Florida |
| 80 | Marie Jenkins | 14 | Daughter | — | Florida |
| 81 | Amy Jenkins | 13 | Daughter | — | Florida |
| 82 | Elizabeth Jenkins | 9 | Daughter | — | New Jersey |
| 83 | Sylvia West | 22 | Daughter | — | Florida |
| 84 | Alrevery West | 24 | Son-in-law | Helper | Virginia |
| 85 | Lackitena Mundie | 51 | Head | Hair Dresser | No. Carolina |
| 86 | Mary Mundie | 52 | Mother | Laundress | No. Carolina |
| 87 | Jack Holman | 32 | Head | Porter | Virginia |
| 88 | Josephine Holman | 28 | Wife | — | Virginia |
| 89 | Clarisa Holman | 7 | Daughter | — | Virginia |
| 90 | Henry Morrison | 30 | Brother-in-law | Carpenter | Washington D.C. |
| 91 | Susan Morrison | 30 | Sister-in-law | — | Virginia |
| 92 | James Green | 35 | Head | Mechanic | Virginia |
| 93 | Hattie Green | 35 | Wife | — | Virginia |
| 94 | Harry Green | 30 | Brother | Laborer | Virginia |
| 95 | Alex Nelson | 39 | Boarder | Driver | Virginia |
| 96 | Perry G. Ballard | 38 | Head | Supervisor | Canada-French |
| 97 | Mary E. Ballard THIS PERSON | 40 | Wife | — | Virginia |
| 98 | Frederick E. Ballard | 22 | Son | Slater | New Jersey |
| 99 | Eugene H. Ballard | 20 | Son | — | New Jersey |
| 100 | James Mathews | 55 | Head | Chef | Virginia |
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)