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Harold Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Harold Davis across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Margaret — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Merion Twp |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Upper Merion Twp |
| 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 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Doris Davis | Daughter | — | 7 | ~1933 |
| Harold Davis | Head | — | 32 | ~1908 |
| Richard Davis | Son | — | 4 | ~1936 |
| Mildred Davis | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 12
Montgomery, Pennsylvania · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Son, age 22
Montgomery, Pennsylvania · implied b. ~1908 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Head, age 32
Montgomery-County, Pennsylvania · implied b. ~1908 — 4 household members
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Merion Twp |
| 1935 Residence (County) | Montgomery |
| Occupation | Clerk |
| Industry | Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Harold Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Davis (~0.92 confidence) and mother Margaret Davis (~0.92 confidence) and father Fred Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Davis
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Margaret Davis
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Fred Davis
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Davis
Head · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03585-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P. Schultz | 58 | Head | Foreman | Poland |
| 2 | Bertha Schultz | 65 | Wife | — | Poland |
| 3 | James E. Davis | 48 | Head | Foreman | Pennsylvania |
| 4 | Janet A. Davis | 50 | Wife | — | Pennsylvania |
| 5 | Norwood Davis | 21 | Son | Filterman | Pennsylvania |
| 6 | Jane Davis | 20 | Daughter | — | Pennsylvania |
| 7 | Francis Murphy | 39 | Son-in-law | Paper Hanger | Pennsylvania |
| 8 | Elizabeth Murphy | 27 | Daughter | — | Pennsylvania |
| 9 | Francis Murphy | 8 | Grandson | — | Pennsylvania |
| 10 | Paul S. Wynne | 33 | Head | Benzol Operator | Pennsylvania |
| 11 | Florence Wynne | 31 | Wife | — | Pennsylvania |
| 12 | Florence A. Wynne | 4 | Daughter | — | Pennsylvania |
| 13 | Patricia E. Wynne | 2 | Daughter | — | Pennsylvania |
| 14 | Charles R. Coyle | 46 | Head | Water Tender | Pennsylvania |
| 15 | Mamie Coyle | 41 | Wife | — | Pennsylvania |
| 16 | Harold Davis THIS PERSON | 32 | Head | Clerk | Pennsylvania |
| 17 | Mildred Davis | 27 | Wife | — | Pennsylvania |
| 18 | Doris Davis | 7 | Daughter | — | Pennsylvania |
| 19 | Richard Davis | 4 | Son | — | Pennsylvania |
| 20 | Leander Markland | 33 | Head | Machine Operator | Pennsylvania |
| 21 | Anne R. Markland | 29 | Wife | — | Pennsylvania |
| 22 | Peggy A. Markland | 7 | Daughter | — | Pennsylvania |
| 23 | Barbara Markland | 3 | Daughter | — | Pennsylvania |
| 24 | James Kane | 35 | Head | Conductor | Pennsylvania |
| 25 | Ida D. Kane | 40 | Wife | — | Pennsylvania |
| 26 | James Kane | 15 | Son | — | Pennsylvania |
| 27 | Florence Kane | 9 | Daughter | — | Pennsylvania |
| 28 | Gerald Kane | 8 | Son | — | Pennsylvania |
| 29 | Mary Kane | 5 | Daughter | — | Pennsylvania |
| 30 | Raymond Woodside | 51 | Head | Millwright Helper | Pennsylvania |
| 31 | Lola D. Woodside | 48 | Wife | — | Pennsylvania |
| 32 | Dorothy Woodside | 25 | Daughter | Winder | Pennsylvania |
| 33 | Edward Woodside | 8 | Son | — | Pennsylvania |
| 34 | Elbert Eckert | 28 | Son-in-law | Machine Operator | Pennsylvania |
| 35 | Marguerite Eckert | 27 | Daughter | — | Pennsylvania |
| 36 | Elbert Jr. Eckert | 5 | Grandson | — | Pennsylvania |
| 37 | Caroline Enise | 76 | Lodger | — | Pennsylvania |
| 38 | George Sanders | 60 | Head | Laborer | Pennsylvania |
| 39 | Edith Sanders | 56 | Wife | — | Pennsylvania |
| 40 | Richard Campion | 36 | Son-in-law | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
Harold
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 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)