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Mary Ballard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Muskegon-County, Michigan
Our Model Tree links this Mary Ballard across the 1930 and 1940 US Censuses in Muskegon-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 9-person household.
Age 36
b. ~1904
Female
Spouse
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Muskegon-County, Michigan |
| Surname | Ballard |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Muskegon |
| 1935 Residence (County) | Muskegon |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Ravenna |
| Est. Birth Year | ~1904 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Ballard | Son | — | 5 | ~1935 |
| Anna Ballard | Daughter | — | 13 | ~1927 |
| Sally Ballard | Daughter | — | 10 | ~1930 |
| Charles Ballard | Son | — | 9 | ~1931 |
| John Ballard | Son | — | 16 | ~1924 |
| William Ballard | Son | — | 19 | ~1921 |
| Jay Ballard | Head | — | 44 | ~1896 |
| Mary Ballard | Spouse | — | 36 | ~1904 |
| Louise Ballard | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Muskegon, Michigan
Other, age 26
Muskegon, Michigan · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ballard |
| Given Name | Mary L |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Age at First Marriage | 17 |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Muskegon-County, Michigan
Spouse, age 36
Muskegon-County, Michigan · implied b. ~1904 — 9 household members
| Surname | Ballard |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Muskegon |
| 1935 Residence (County) | Muskegon |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Ballard
Spouse · 1940 · age 36 · b. ~1904 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Muskegon-County, Michigan
Open full size
1940 US Federal Census — Muskegon-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01796-00831)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marilyn Hammond | 9 | Daughter | — | Michigan |
| 42 | Don Duarte | 1 | Son | — | Michigan |
| 43 | Alphonse Helsen | 44 | Head | Farmer | Belgium |
| 44 | Louise Helsen | 40 | Wife | — | Belgium |
| 45 | Katherine Helsen | 17 | Daughter | — | Michigan |
| 46 | Isadore Helsen | 16 | Son | Helper | Michigan |
| 47 | Marie Helsen | 14 | Daughter | — | Michigan |
| 48 | Elizabeth Helsen | 9 | Daughter | — | Michigan |
| 49 | Joseph Helsen | 8 | Son | — | Michigan |
| 50 | Eugene Helsen | 5 | Son | — | Michigan |
| 51 | Bernadine Helsen | 4 | Daughter | — | Michigan |
| 52 | Josephine Helsen | 2 | Daughter | — | Michigan |
| 53 | Albert Blackmer | 40 | Head | Route Supt. | Michigan |
| 54 | Esta Blackmer | 35 | Wife | — | Michigan |
| 55 | Burton Blackmer | 12 | Son | — | Michigan |
| 56 | Rio Blackmer | 7 | Daughter | — | Michigan |
| 57 | Rita Blackmer | 2 | Daughter | — | Michigan |
| 58 | Gertrude Maycroft | 59 | Mother-in-law | — | Michigan |
| 59 | Jay Ballard | 44 | Head | Laborer | Michigan |
| 60 | Mary Ballard THIS PERSON | 36 | Wife | — | Oklahoma |
| 61 | William Ballard | 19 | Son | Helper | Michigan |
| 62 | John Ballard | 16 | Son | Helper | Michigan |
| 63 | Anna Ballard | 13 | Daughter | — | Michigan |
| 64 | Sally Jane Ballard | 10 | Daughter | — | Michigan |
| 65 | Charles Ballard | 9 | Son | — | Michigan |
| 66 | Louise Ballard | 7 | Daughter | — | Michigan |
| 67 | Thomas Ballard | 5 | Son | — | Michigan |
| 68 | Martin Rosel | 54 | Head | — | Michigan |
| 69 | Peter Hubert | 69 | Head | Farmer | Hungary |
| 70 | Theresa Hubert | 61 | Wife | — | Hungary |
| 71 | Anna Hubert | 16 | Daughter | — | Illinois |
| 72 | John Schraphorn | 38 | Head | Farmer | Michigan |
| 73 | Lavina Schraphorn | 37 | Wife | — | Michigan |
| 74 | Donald Schraphorn | 16 | Son | Helper | Michigan |
| 75 | Florie Schraphorn | 15 | Daughter | — | Michigan |
| 76 | Jerold Schraphorn | 13 | Son | — | Michigan |
| 77 | Joyce Arlene Schraphorn | 5 | Daughter | — | Michigan |
| 78 | R. L. Young | 36 | Head | Farmer | Michigan |
| 79 | Gladys Young | 31 | Wife | — | Michigan |
| 80 | Enid Young | 6 | Daughter | — | Michigan |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)