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Louis Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Louis Davis across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| 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 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Blanche Davis | Daughter | — | 14 | ~1926 |
| John Davis | Son | — | 16 | ~1924 |
| James Knight | Other | — | 6 | ~1934 |
| Elmira Franks | Daughter | — | 1 | ~1939 |
| Helen Franks | Daughter | — | 18 | ~1922 |
| Robert Franks | Other | — | 25 | ~1915 |
| Marian Davis | Head | — | 51 | ~1889 |
| Louis Davis | Son | — | 13 | ~1927 |
| Marian Knight | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 5
Philadelphia, Pennsylvania · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 13
Philadelphia-County, Pennsylvania · implied b. ~1927 — 9 household members
| Surname | Davis |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Helen Franks
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Knight
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmira Franks
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Davis
Sibling · 1940 · age 14
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
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03708-00758)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys King | 33 | Head | Housekeeper | New York |
| 2 | Matthew King | 27 | Head | Stationary Fireman | Georgia |
| 3 | Bernice King | 22 | Wife | — | Pennsylvania |
| 4 | Barbara King | 5 | Daughter | — | Pennsylvania |
| 5 | Thomas Carney | 27 | Uncle | Dishwasher | Maryland |
| 6 | Willie Shuler | 26 | Head | Bartender | So. Carolina |
| 7 | Ella Shuler | 20 | Wife | Domestic | Virginia |
| 8 | Edward Gray | 32 | Head | Social Worker | Massachusetts |
| 9 | Cancelled Cancelled | None | — | — | — |
| 10 | Cancelled Cancelled | None | — | — | — |
| 11 | Marian Davis | 51 | Head | — | Pennsylvania |
| 12 | John Davis | 16 | Son | — | Pennsylvania |
| 13 | Blanche Davis | 14 | Daughter | — | Pennsylvania |
| 14 | Louis Davis THIS PERSON | 13 | Son | — | Pennsylvania |
| 15 | Helen Franks | 18 | Daughter | — | Pennsylvania |
| 16 | Robert Franks | 25 | Son-in-law | — | Pennsylvania |
| 17 | Elmira Franks | 1 | Daughter | — | Pennsylvania |
| 18 | Marian Knight | 19 | Daughter | — | Pennsylvania |
| 19 | James Knight | 6 | Son-in-law | — | Pennsylvania |
| 20 | Ethel Ferguson | 29 | Head | Domestic | So. Carolina |
| 21 | Harold Ferguson | 10 | Son | — | Pennsylvania |
| 22 | Alford Ferguson | 8 | Son | — | Pennsylvania |
| 23 | Gladys Grayson | 11 | Cousin | — | Pennsylvania |
| 24 | Lee Alston | 36 | Head | Laborer | South Carolina |
| 25 | Rosa Alston | 31 | Wife | — | South Carolina |
| 26 | Annabelle Alston | 16 | Daughter | — | South Carolina |
| 27 | Annie Alston | 12 | Daughter | — | South Carolina |
| 28 | Ulysses Fawls | 50 | Head | Cook | Virginia |
| 29 | Ethel Fawls | 40 | Wife | — | Virginia |
| 30 | Lawrence Fawls | 18 | Son | New Worker | Pennsylvania |
| 31 | Treva Fawls | 13 | Daughter | — | Pennsylvania |
| 32 | Thelma Fawls | 11 | Daughter | — | Pennsylvania |
| 33 | Rudolph Fawls | 9 | Son | — | Pennsylvania |
| 34 | Gilbert Fawls | 7 | Son | — | Pennsylvania |
| 35 | Constance Fawls | 4 | Daughter | — | Pennsylvania |
| 36 | Lowell Boulden | 46 | Head | Laborer | New Jersey |
| 37 | Lillian Boulden | 40 | Wife | Typist | Maryland |
| 38 | Lillian Boulden | 14 | Daughter | — | Pennsylvania |
| 39 | Jean Boulden | 13 | Daughter | — | Pennsylvania |
| 40 | Earl Boulden | 12 | Son | — | Pennsylvania |
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)