MF
Mary Frost — 1930 US Census Record
Model Tree available1930 United States Federal Census · Kent, Michigan
Our Model Tree links this Mary Frost across the 1910, 1920 and 1930 US Censuses in Kent, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kent, Michigan |
| Surname | Frost |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Grand Rapids City |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| John Frost | Head | — | 61 | ~1869 |
| Isabelle Frost | Daughter | — | 26 | ~1904 |
| Mary Frost | Daughter | — | 22 | ~1908 |
| Daisy Frost | Other | — | 52 | ~1878 |
Census Appearances
1910
Kent, Michigan
Daughter, age 4
Kent, Michigan · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Kent, Michigan
Daughter, age 14
Kent, Michigan · implied b. ~1906
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Frost |
| Given Name | May M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Kent, Michigan
Daughter, age 22
Kent, Michigan · implied b. ~1908 — 4 household members
| Surname | Frost |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Frost across 3 US Census years (1910, 1920 and 1930) in Kent, Michigan, using XGBoost record linkage. Identified parents: father John Frost (~0.92 confidence) and father John Frost (~0.92 confidence) and mother Daisy Frost (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Frost
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Frost
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Daisy Frost
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Frost
Daughter · 1930 · age 22 · b. ~1908 · Michigan
★ You are viewing this record
Sibling
Isabelle Frost
Sibling · 1930 · age 26
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 — Kent, Michigan
Open full size
1930 US Federal Census — Kent, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1004:0040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gladys Taylor | 17 | Daughter | Helper | Michigan |
| 52 | Dorothy Taylor | 13 | Daughter | None | Michigan |
| 53 | Glen Taylor | 11 | Son | None | Michigan |
| 54 | George Taylor | 49 | Head | Chauffeur | Michigan |
| 55 | Sadie Taylor | 25 | Wife-H | None | Michigan |
| 56 | Vivienne Taylor | 2 | Daughter | None | Michigan |
| 57 | Ben Derrick | 40 | Head | Salesman | Michigan |
| 58 | Gladys Derrick | 36 | Wife-H | None | Michigan |
| 59 | Lucille Derrick | 13 | Daughter | None | Michigan |
| 60 | Roland Derrick | 11 | Son | None | Michigan |
| 61 | Hubert Hodgson | 34 | Head | Manager | Ohio |
| 62 | Julia A. Hodgson | 35 | Wife-H | None | Ohio |
| 63 | Donald Hodgson | 7 | Son | None | New York |
| 64 | Theodore Watt | 63 | Head | Carpenter | Michigan |
| 65 | Catherine Watt | 63 | Wife-H | None | New York |
| 66 | Carl Schorman | 27 | Lodger | Cabinet Maker | Germany |
| 67 | Louisa V. Ruegger | 65 | Lodger | None | Germany |
| 68 | Bert C. Barber | 55 | Head | Salesman | Michigan |
| 69 | Minnie J. Barber | 51 | Wife-H | None | Michigan |
| 70 | Guy J. Barber | 25 | Son | Driver | Michigan |
| 71 | Nellie J. Barber | 24 | Daughter | Operator | Michigan |
| 72 | Beatrice S. Barber | 22 | Daughter | Operator | Michigan |
| 73 | Flora Barber | 18 | Daughter | Operator | Michigan |
| 74 | Irene Barber | 16 | Daughter | None | Michigan |
| 75 | John L. Frost | 61 | Head | Own Fireman | Michigan |
| 76 | Daisy M. Frost | 52 | Wife-H | None | Michigan |
| 77 | Isabelle J. Frost | 26 | Daughter | Surgical Nurse | Michigan |
| 78 | Mary M. Frost THIS PERSON | 22 | Daughter | Teacher | Michigan |
| 79 | Matthew Fritzen | 44 | Head | Captain Police | Michigan |
| 80 | Anna Fritzen | 41 | Wife-H | None | Michigan |
| 81 | Loretta Fritzen | 14 | Daughter | None | Michigan |
| 82 | Charles Frontier | 36 | Head | Manager | Michigan |
| 83 | Elizabeth Frontier | 37 | Wife-H | None | Michigan |
| 84 | Jack Frontier | 6 | Son | None | Michigan |
| 85 | Le Veen Pettingill | 43 | Head | Sales Manager | Indiana |
| 86 | Grace Pettingill | 39 | Wife-H | None | Michigan |
| 87 | Bernice Pettingill | 19 | Daughter | Operator | Michigan |
| 88 | Jessie Pettingill | 17 | Sister | None | Michigan |
| 89 | Emily G. Pettingill | 67 | Mother | None | Indiana |
| 90 | John J. Zylstra | 41 | Lodger | Carpenter | Michigan |
| 91 | Lawrence Frederick | 38 | Lodger | Electric Welder | Michigan |
| 92 | Russell C. Warner | 31 | Head | Supervisor | Michigan |
| 93 | Ethelyn C. Warner | 27 | Wife-H | Clerk | Michigan |
| 94 | Hiram Enos | 55 | Head | None | Michigan |
| 95 | Hazel Burgdorfer | 27 | Daughter | Secretary | Michigan |
| 96 | Rae Burgdorfer | 4 | Grandson | None | Michigan |
| 97 | Vilas S. Enos | 31 | Head | Salesman | Michigan |
| 98 | Nellie Enos | 31 | Wife-H | None | Michigan |
| 99 | Gene Enos | 8 | Son | None | Michigan |
| 100 | Donovan Enos | 6 | Son | None | Michigan |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)