WC
William Caldwell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Caldwell across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Sarah — first a son (b.~1906), then head of a 3-person household.
Age 24
b. ~1906
Male
Son
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Caldwell |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Caldwell | Daughter | — | 18 | ~1912 |
| James Caldwell | Head | — | 53 | ~1877 |
| William Caldwell | Son | — | 24 | ~1906 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 4
Philadelphia, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 14
Philadelphia, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coldwell |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Philadelphia, Pennsylvania
Son, age 24
Philadelphia, Pennsylvania · implied b. ~1906 — 3 household members
| Surname | Caldwell |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Veteran | No |
| 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 William Caldwell across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Caldwell (~0.92 confidence) and mother Sarah Coldwell (~0.92 confidence) and father William Coldwell (~0.92 confidence) and father William Caldwell (~0.92 confidence) and mother Anna Caldwell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Caldwell
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Sarah Coldwell
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
William Coldwell
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Caldwell
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Anna Caldwell
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Caldwell
Son · 1930 · age 24 · b. ~1906 · Pennsylvania
★ You are viewing this record
Sibling
William Caldwell
Sibling · 1930 · age 18
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2141:0432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry A Morley | 19 | Head | — | Pennsylvania |
| 52 | Rosa M Townsend | 41 | Head | — | Pennsylvania |
| 53 | Bernadine Soga | 33 | Lodger | Box Maker | Wisconsin |
| 54 | Otto E Rind | 61 | Head | Constructor | Sweden |
| 55 | Helen E Rind | 53 | Wife | — | Sweden |
| 56 | Alice Rind | 23 | Daughter | Bookkeeper | Pennsylvania |
| 57 | Mildred G Rind | 21 | Daughter | Stenographer | Pennsylvania |
| 58 | Walmar Rind | 19 | Son | Distributor | Pennsylvania |
| 59 | Elsie Rind | 16 | Daughter | — | Pennsylvania |
| 60 | Alma Nelson | 50 | Boarder | Operator | Sweden |
| 61 | Robert Nelson | 16 | Boarder | — | Pennsylvania |
| 62 | Joseph E Goddard | 66 | Head | Fireman | Pennsylvania |
| 63 | Katherine Goddard | 50 | Wife | — | Pennsylvania |
| 64 | Mary J M Bursson | 60 | Head | — | Pennsylvania |
| 65 | Rachel W Bursson | 18 | Nephew | Salesman | Pennsylvania |
| 66 | John F Flanigan | 57 | Head | Salesman | Pennsylvania |
| 67 | Elizabeth Flanigan | 51 | Wife | — | Pennsylvania |
| 68 | Daniel Mcknight | 68 | Head | Stage Hand | Pennsylvania |
| 69 | Carolyn Mcknight | 63 | Wife | — | Pennsylvania |
| 70 | Howard Mcknight | 73 | Brother | Wood Finisher | Pennsylvania |
| 71 | Gertrude Mclaughly | 44 | Niece | Stenographer | Pennsylvania |
| 72 | Wm J Morrissey | 61 | Head | Letter Carrier | Pennsylvania |
| 73 | Ella Morrissey | 60 | Wife | — | Pennsylvania |
| 74 | Thomas C Morrissey | 21 | Son | Salesman | Pennsylvania |
| 75 | Nellie G Morrissey | 19 | Daughter | — | Pennsylvania |
| 76 | James Davenhower | 3 | Boarder | — | Pennsylvania |
| 77 | James Boulder | 40 | Head | Litho | Maryland |
| 78 | Elizabeth Boulder | 34 | Wife | — | Maryland |
| 79 | John F Boulder | 13 | Son | — | Delaware |
| 80 | John Rowland | 52 | Head | Engineer | Pennsylvania |
| 81 | Julia Rowland | 42 | Wife | — | Pennsylvania |
| 82 | Roland J Mcman | 51 | Head | Barber | Northern Ireland |
| 83 | Elizabeth Mcman | 52 | Wife | — | Pennsylvania |
| 84 | Robert W Mcman | 23 | Son | Chauffeur | Pennsylvania |
| 85 | Mary A White | 54 | Boarder | Secretary | Pennsylvania |
| 86 | James Caldwell | 53 | Head | Foreman | Pennsylvania |
| 87 | William J Caldwell THIS PERSON | 24 | Son | — | Pennsylvania |
| 88 | William J Caldwell | 18 | Daughter | — | Pennsylvania |
| 89 | Anna M Keegan | 44 | Head | — | Pennsylvania |
| 90 | John W Keegan | 21 | Son | Driver | Pennsylvania |
| 91 | Helen G Keegan | 19 | Daughter | Typist | Pennsylvania |
| 92 | Anna M Keegan | 17 | Daughter | — | Pennsylvania |
| 93 | Joseph M Keegan | 13 | Son | — | Pennsylvania |
| 94 | Eleanor Keegan | 10 | Daughter | — | Pennsylvania |
| 95 | William Keegan | 5 | Son | — | Pennsylvania |
| 96 | Joseph H Cox | 43 | Head | Sales Manager | Pennsylvania |
| 97 | Agatha C Cox | 42 | Wife | — | Pennsylvania |
| 98 | Harry J Cox | 21 | Son | — | Pennsylvania |
| 99 | James J Cox | 16 | Son | — | Pennsylvania |
| 100 | Joseph 3Rd Cox | 12 | Son | — | Pennsylvania |
Pedigree Summary
William + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)