WP
William Phelps — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Phelps across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Catherine — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Phelps |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Brakeman |
| Township / Ward | Medford City |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Edna Phelps | Spouse | — | 27 | ~1913 |
| Harold Phelps | Son | — | 2 | ~1938 |
| Beverly Phelps | Daughter | — | 5 | ~1935 |
| William Phelps | Head | — | 29 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1910
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Phelps |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Occupation | Messenger |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 29
Middlesex-County, Massachusetts · implied b. ~1911 — 4 household members
| Surname | Phelps |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 William Phelps across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Phelps (~0.92 confidence) and mother Catherine Phelps (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Phelps
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Catherine Phelps
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Phelps
Head · 1940 · age 29 · b. ~1911 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01612-00799)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise M. Berry | 73 | Wife | — | Maine |
| 2 | John Paul Mccarty | 31 | Head | Clerk | Massachusetts |
| 3 | Beatrice D. Mccarty | 32 | Wife | — | Massachusetts |
| 4 | John Paul Mccarty | 1 | Son | — | Massachusetts |
| 5 | Florence Guilford | 70 | Head | — | New Hampshire |
| 6 | Roland Stearns | 40 | Head | Eng. Model | Massachusetts |
| 7 | Gertrude B. Stearns | 38 | Wife | — | Massachusetts |
| 8 | Ruth Elizabeth Stearns | 19 | Daughter | — | Massachusetts |
| 9 | Roland F. Jr. Stearns | 15 | Son | — | Massachusetts |
| 10 | Robert Smith-Clark | 74 | Boarder | — | Massachusetts |
| 11 | Jack E. Duffy | 25 | Boarder | — | New York |
| 12 | Ralph Cunard | 36 | Boarder | Engineer | Massachusetts |
| 13 | Berkeley Cunard | 45 | Boarder | — | Massachusetts |
| 14 | Gale Cunard | 1 | Boarder | — | Massachusetts |
| 15 | George Stevenson | 32 | Head | Longshoreman | Massachusetts |
| 16 | Edith D. Stevenson | 31 | Wife | — | Maine |
| 17 | George Stevenson | 5 | Son | — | Massachusetts |
| 18 | Pasquale Menichiello | 52 | Head | General Finisher | Italy |
| 19 | Antoinette Menichiello | 34 | Wife | — | Massachusetts |
| 20 | John Menichiello | 17 | Son | News Worker | Massachusetts |
| 21 | Albert Menichiello | 14 | Son | — | Massachusetts |
| 22 | Robert Menichiello | 13 | Son | — | Massachusetts |
| 23 | Rita Menichiello | 12 | Daughter | — | Massachusetts |
| 24 | Madeline Duggan | 40 | Head | Clerk | Massachusetts |
| 25 | Edward Duggan | 20 | Son | — | Massachusetts |
| 26 | Barbara Duggan | 16 | Daughter | — | Massachusetts |
| 27 | Madeline Duggan | 12 | Daughter | — | Massachusetts |
| 28 | Beatrice Duggan | 15 | Daughter | — | Massachusetts |
| 29 | Cortland Duggan | 13 | Son | — | Massachusetts |
| 30 | Iona Duggan | 9 | Daughter | — | Massachusetts |
| 31 | William H. Phelps THIS PERSON | 29 | Head | Brakeman | Massachusetts |
| 32 | Edna Phelps | 27 | Wife | — | Virginia |
| 33 | Harold Phelps | 2 | Son | — | Massachusetts |
| 34 | Beverly Phelps | 5 | Daughter | — | Massachusetts |
| 35 | Albert J. Hayes | 32 | Head | Painter | Maryland |
| 36 | Alice Hayes | 34 | Wife | — | Massachusetts |
| 37 | Ann L. Hayes | 3 | Daughter | — | Massachusetts |
| 38 | Albert J. Jr. Hayes | 3 | Son | — | Massachusetts |
| 39 | Annie G. Isaac | 56 | Mother-in-law | — | Massachusetts |
| 40 | Walter Isaac | 30 | Head | Janitor | Massachusetts |
Pedigree Summary
William
Gen 1 · 2 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)