MD
Marion Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Berrien, Michigan
Our Model Tree links this Marion Davis across the 1930 and 1940 US Censuses in Berrien, Michigan (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 2
b. ~1928
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Berrien, Michigan |
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Texas |
| Additional Details | |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Niles City |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Mary Davis | Daughter | — | 11 | ~1919 |
| Helen Davis | Daughter | — | 5 | ~1925 |
| Shirley Davis | Daughter | — | 1 | ~1929 |
| Alma Davis | Daughter | — | 3 | ~1927 |
| Harold Davis | Head | — | 32 | ~1898 |
| Bessie Davis | Other | — | 38 | ~1892 |
| Marion Davis | Son | — | 2 | ~1928 |
| Harold Davis | Son | — | 9 | ~1921 |
| Jack Davis | Son | — | 12 | ~1918 |
| Lyle Davis | Son | — | 7 | ~1923 |
Census Appearances
1930
Berrien, Michigan
Son, age 2
Berrien, Michigan · implied b. ~1928 — 10 household members
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Berrien-County, Michigan
Son, age 13
Berrien-County, Michigan · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marian |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Niles Township |
| 1935 Residence (County) | Berrien |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| 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 Marion Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Davis
Son · 1930 · age 2 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Mary Davis
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Davis
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Davis
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Davis
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Davis
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Davis
Sibling · 1930 · age 5
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 — Berrien, Michigan
Open full size
1930 US Federal Census — Berrien, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel976:0993)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Parker | 8 | Son | None | Michigan |
| 52 | Charles Parker | 5 | Son | None | Michigan |
| 53 | Howard Quick | 25 | Head | Packer | Tennessee |
| 54 | Ada Quick | 21 | Wife-H | None | Tennessee |
| 55 | Louise Quick | 3 | Daughter | None | Michigan |
| 56 | Moses Deleback | 64 | Head | Box Maker | Illinois |
| 57 | Mary Deleback | 60 | Wife-H | Punch Presser | Illinois |
| 58 | Wm. Spenhour | 34 | Head | Inspector | Ohio |
| 59 | Curtis A. Spenhour | 65 | Brother | None | Unknown |
| 60 | George Powell | 30 | Head | Roller | Tennessee |
| 61 | Alice Powell | 26 | Wife-H | None | Tennessee |
| 62 | Edward G. Powell | 3 | Son | None | Michigan |
| 63 | Levith Eva Powell | 62 | Mother-in-law | None | Tennessee |
| 64 | Harold Davis | 32 | Head | Gardener | Michigan |
| 65 | Bessie Davis | 38 | Wife-H | Helper | Texas |
| 66 | Jack Davis | 12 | Son | None | Oklahoma |
| 67 | Mary Davis | 11 | Daughter | None | Oklahoma |
| 68 | Harold Davis | 9 | Son | None | Michigan |
| 69 | Lyle Davis | 7 | Son | None | Michigan |
| 70 | Helen Davis | 5 | Daughter | None | Michigan |
| 71 | Alma Davis | 3 | Daughter | None | Michigan |
| 72 | Marion Davis THIS PERSON | 2 | Son | None | Michigan |
| 73 | Shirley Davis | 1 | Daughter | None | Michigan |
| 74 | Frank Harris | 26 | Head | Clerk | Michigan |
| 75 | Leona Harris | 33 | Wife-H | None | Michigan |
| 76 | Nancy Harris | 2 | Daughter | None | Michigan |
| 77 | Frank Jr. Harris | 11 | Step-son | None | Michigan |
| 78 | Frank Jr. Harris | 5 | Son | None | Michigan |
| 79 | Sarah Babcock | 54 | Head | Assembler | Michigan |
| 80 | Loren R. Babcock | 20 | Son | Driver | Michigan |
| 81 | William Van Horn | 43 | Head | Janitor | Indiana |
| 82 | Rozella Van Horn | 45 | Wife-H | Nurse | Indiana |
| 83 | Cora Vigness | 64 | Head | None | Michigan |
| 84 | George Vigness | 46 | Son | Decorator | Michigan |
| 85 | Myrtle Vigness | 44 | Wife-H | Agent | Michigan |
| 86 | Paul Mayant | 52 | Head | Builder | Paris France |
| 87 | Amanda Mayant | 52 | Wife-H | None | Canada French |
| 88 | Marie Wait | 23 | Daughter | None | Illinois |
| 89 | Fred Wait | 23 | Son-in-law | Service Man | Michigan |
| 90 | George H. Gilson | 72 | Head | Carpenter | Michigan |
| 91 | Mary Gilson | 68 | Wife-H | None | Michigan |
| 92 | L. B. Cooper | 27 | Head | Fireman | Indiana |
| 93 | Mary Cooper | 28 | Wife-H | None | Indiana |
| 94 | Daniel Cooper | 8 | Son | None | Indiana |
| 95 | Dorothy Cooper | 6 | Daughter | None | Michigan |
| 96 | Robert Cooper | 5 | Son | None | Michigan |
| 97 | Margaret Cooper | 2 | Daughter | None | Michigan |
| 98 | Paul Mudd | 26 | Boarder | Switchman | Indiana |
| 99 | Fred C. Mccoy | 26 | Head | Driver | Canada English |
| 100 | Bessie Mccoy | 28 | Wife-H | None | Canada English |
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)