LD
Louis Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Barnstable, Massachusetts
Our Model Tree links this Louis Davis across the 1930 and 1940 US Censuses in Barnstable, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 3
b. ~1927
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Barnstable, Massachusetts |
| Surname | Davis |
| Given Name | Louis E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | West Barnstable Village |
| Est. Birth Year | ~1927 |
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 1930 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Alice Davis | Daughter | — | 18 | ~1912 |
| Joseph Davis | Son | — | 11 | ~1919 |
| Louis Davis | Son | — | 3 | ~1927 |
| James Davis | Son | — | 6 | ~1924 |
| Mary Davis | Other | — | 42 | ~1888 |
| Joseph Davis | Head | — | 44 | ~1886 |
| Manuel Davis | Son | — | 8 | ~1922 |
| George Davis | Son | — | 13 | ~1917 |
| Anna Davis | Daughter | — | 15 | ~1915 |
Census Appearances
1930
Barnstable, Massachusetts
Son, age 3
Barnstable, Massachusetts · implied b. ~1927 — 9 household members
| Surname | Davis |
| Given Name | Louis E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Barnstable-County, Massachusetts
Son, age 13
Barnstable-County, Massachusetts · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lewis A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Barnstable (Town) |
| 1935 Residence (County) | Barnstable |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Louis Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Davis
Son · 1930 · age 3 · b. ~1927 · Massachusetts
★ You are viewing this record
Sibling
Alice Davis
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Davis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Davis
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Davis
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Davis
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Davis
Sibling · 1930 · age 8
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 — Barnstable, Massachusetts
Open full size
1930 US Federal Census — Barnstable, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel883:0023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alfred L. Hill | 44 | Head | — | Massachusetts |
| 52 | Beulah H. Hill | 44 | Wife-H | — | Massachusetts |
| 53 | John Davidson | 55 | Head | Proprietor | Finland |
| 54 | Selma M. Davidson | 53 | Wife-H | — | Finland |
| 55 | Becca A. Davidson | 16 | Daughter | — | Massachusetts |
| 56 | Eli Posh | 55 | Head | Treasurer | Finland |
| 57 | Amanda Posh | 48 | Wife-H | — | Finland |
| 58 | Robert S. Carter | 30 | Head | — | Massachusetts |
| 59 | Ruth L. Carter | 30 | Wife-H | Sales Lady | Massachusetts |
| 60 | Ruth L. Carter | 11 | Daughter | — | Massachusetts |
| 61 | Robert S. Jr. Carter | 9 | Son | — | Massachusetts |
| 62 | William B. Carter | 52 | Brother | Manager | Massachusetts |
| 63 | John C. Martin | 56 | Head | Mechanic | Massachusetts |
| 64 | Julia A. Martin | 56 | Wife-H | — | Massachusetts |
| 65 | Francis W. Martin | 19 | Son | Carpenter | Massachusetts |
| 66 | Joseph Davis | 44 | Head | Labourer | Portugal |
| 67 | Mary Davis | 42 | Wife-H | — | Portugal |
| 68 | Alice M. Davis | 18 | Daughter | — | Massachusetts |
| 69 | Anna E. Davis | 15 | Daughter | — | Massachusetts |
| 70 | George Davis | 13 | Son | — | Massachusetts |
| 71 | Joseph Jr. Davis | 11 | Son | — | Massachusetts |
| 72 | Manuel W. Davis | 8 | Son | — | Massachusetts |
| 73 | James Davis | 6 | Son | — | Massachusetts |
| 74 | Louis E. Davis THIS PERSON | 3 | Son | — | Massachusetts |
| 75 | Henry Mannni | 42 | Head | Labourer | Finland |
| 76 | Matilda Mannni | 39 | Wife-H | — | Finland |
| 77 | Otto Mannni | 75 | Father-in-law | — | Finland |
| 78 | Edwin Mannni | 18 | Son | Labourer | Massachusetts |
| 79 | Henry Mannni | 15 | Son | Labourer | Massachusetts |
| 80 | Laura Mannni | 13 | Son | — | Massachusetts |
| 81 | Charles Mannni | 10 | Son | — | Massachusetts |
| 82 | Ruth Mannni | 8 | Son | — | Massachusetts |
| 83 | Patrick Mannni | 6 | Son | — | Massachusetts |
| 84 | Edward Mannni | 2 | Son | — | Massachusetts |
| 85 | Olga Mannni | 3 | Daughter | — | Massachusetts |
| 86 | Rebecca Mannni | 3 | Daughter | — | Massachusetts |
| 87 | Harry Pardo | 37 | Head | Mechanic | Finland |
| 88 | Edith E. Pardo | 38 | Wife-H | — | Massachusetts |
| 89 | Harold H. Pardo | 13 | Son | — | Massachusetts |
| 90 | Gordon Pardo | 8 | Son | — | Massachusetts |
| 91 | Harvey Jr. Pardo | 6 | Son | — | Massachusetts |
| 92 | Roger H. Pardo | 3 | Son | — | Massachusetts |
| 93 | Samuel Johnson | 39 | Head | Carpenter | Finland |
| 94 | Sanni M. Johnson | 32 | Wife-H | — | Finland |
| 95 | Bertha Johnson | 14 | Daughter | — | Massachusetts |
| 96 | Dorothy Johnson | 13 | Daughter | — | Massachusetts |
| 97 | Edward S. Johnson | 11 | Son | — | Massachusetts |
| 98 | Sanni M. Johnson | 10 | Daughter | — | Massachusetts |
| 99 | Joseph Peltanen | 68 | Head | Labourer | Finland |
| 100 | Mary Peltanen | 67 | Wife-H | — | Finland |
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)