One of the most common stumbling blocks in Dillman research is the bewildering variety of spellings the surname has taken over the centuries. A researcher who searches only for “Dillman” may miss ancestors indexed under “Dillmann”, “Dilman”, “Dielmann”, or even “Tillman”. This guide explains the full range of spelling variants, the logic behind them, and the specific search strategies that work best in each major genealogical database.
🔎 Background: For a full discussion of the surname’s origins and how spelling variants arose, see The Dillman Surname. This page focuses exclusively on practical search techniques.
The Variant Landscape
The Dillman surname arrived in North America from German-speaking Europe, where spelling was inconsistent and record-keepers often transcribed names phonetically. Once in North America, further variation was introduced by census enumerators, clerks, and ministers who wrote what they heard. The result is a wide spectrum of spellings that all likely represent the same underlying family name in many cases.
Primary Variants — Always Search These
These are the spellings most commonly encountered in North American and German records and should be included in every search:
| Spelling | Soundex | Most Common Region | Notes |
|---|---|---|---|
| Dillman | D455 | USA, Canada | Most common North American spelling after immigration |
| Dillmann | D455 | Germany, Alsace, pre-immigration records | Standard German form; most common spelling in Germany today |
| Dielmann | D455 | Hesse (Germany), NJ, NY, IN, LA | Concentrated in Westerwald/Hesse; arose when “ll” was misread as “el” |
| Diehlmann | D455 | Wetterau/Hesse (Germany) | Common in Hesse near the Dill River; several US family groups |
| Dihlmann | D455 | Enz district (Baden-Württemberg) | Primarily Baden-Württemberg; several US/Chilean family groups |
| Dilman | D455 | USA (census records) | Single-l transcription error; very common in census records |
| Tillman / Tillmann | T455 | USA (widespread), Germany (western) | Different Soundex; most carriers are unrelated to Dillman — but several DFA family groups use this spelling |
| Stillman / Stilman | S345 | Nova Scotia, New Brunswick (Canada) | Specific to Family Group 2a (Georg Adam Dillmann line); largely confined to Maritime Canada |
Secondary Variants — Search When Primary Variants Fail
These spellings are rarer but well documented across DFA family group research:
- Dillaman / Dillaman — found in Pennsylvania census records; transcription variation
- Dilmann / Dilman — single-l versions; common in German civil records and US census
- Dhyllmann — archaic German church record spelling
- Tielmann / Tilghman / Tilghmann — English-influenced spellings; see Family Groups 10, 17, 98
- Deelman / Dieleman / Dielemans — Dutch forms; see Family Groups 30, 39, 67, 73, 85, 99, 104, 108, 130, 132, 133, 139
- Daelman / Dulman / Delmon / Delman / Delorme — French, Belgian, and Jewish variant forms; see relevant family group sheets
- Dillemann / Dielemann — French Alsatian spellings
Understanding Soundex
Soundex is a phonetic indexing system used extensively by US government agencies from the 1880 census onward. Many genealogical databases use Soundex to group similar-sounding surnames together. Understanding which variants share a Soundex code helps you know which searches will catch which spellings automatically.
The Soundex code for Dillman is D455 (D + l=4, m=5, n=5). The following common variants also code to D455, meaning a Soundex search will find them together:
- Dillman, Dillmann, Dilman, Dilmann, Dillaman — all D455
- Dielmann, Diehlmann, Dihlmann — all D455
However, Tillman / Tillmann code to T455 and Stillman codes to S345 — these are not caught by a Soundex search for Dillman and must be searched separately. Similarly, the Dutch forms (Dieleman, Deelman) code to D455 but are spelled differently enough that exact-match searches will miss them.
Database-Specific Search Strategies
Ancestry.com
Ancestry offers two search modes and the distinction matters significantly for Dillman research:
- Exact search: Finds only the spelling you enter. Use this when you want to isolate a specific variant — for example, searching only “Dielmann” in New Jersey records.
- Fuzzy / “Similar” search: Ancestry’s default. Uses phonetic matching and indexer-variant lists to broaden results. For common Dillman variants this works well, but it can return very large result sets for common names like Tillman. Check the “Sounds like” checkbox under the surname field.
- Wildcard search: Ancestry supports the asterisk (*) as a wildcard for any number of characters. Searching Dil*man will catch Dillman, Dilman, Dielmann, Diehlmann, Dilmann. Searching D*lman casts a wider net. Wildcards cannot be the first character.
- Recommended approach: Run three separate searches — one with fuzzy matching on “Dillman”, one exact on “Dielmann”, one exact on “Tillman” — then cross-reference results against the Dillman Surname Index to confirm matches.
FamilySearch
FamilySearch has excellent coverage of German church records and US census collections, and its search tools are well suited to Dillman variant searching:
- Wildcards: FamilySearch supports both * (any number of characters) and ? (single character). The search D?llm* will catch Dillmann, Dillman, Dielmann, Dilmann, and many other variants in a single query. The wildcard must not be the first or second character.
- “Exact” vs “Fuzzy”: When the Exact checkbox is unchecked, FamilySearch applies phonetic and spelling variations automatically. For Dillman, this often works well, but check that results include the variants you expect rather than only returning the most common spelling.
- German records: When searching FamilySearch’s German church book collections, try both Dillmann and Dielmann separately, as indexers may have transcribed the same original script differently.
- Recommended approach: Start with Dil*man with Exact unchecked. Then run a separate search for Tillman limited to the specific state and time period you are researching.
MyHeritage
MyHeritage uses its own SmartMatch™ and Record Match systems, which apply extensive phonetic and variant matching automatically. In practice, a search for “Dillman” on MyHeritage will typically surface Dillmann, Dilman, and some Dielmann results without additional effort. However:
- MyHeritage’s variant matching is less transparent than Ancestry’s — you may not see which variant spelling matched your search. Always click through to the original record to confirm the spelling used.
- For Dutch variants (Dieleman, Deelman), run separate explicit searches — SmartMatch does not reliably bridge the phonetic gap between Dillman and Dieleman.
Fold3 (Military Records)
Military records frequently contain variant spellings because enlistment clerks wrote phonetically. When searching Fold3:
- Search individually for Dillman, Dielmann, Dilman, and Tillman in any Civil War or Revolutionary War collection — the same soldier may appear under different spellings in muster rolls, pension files, and service records.
- Cross-reference the Revolutionary War page for known Dillman veterans and their documented spelling variations.
Findmypast
Findmypast is particularly useful for UK and Nova Scotia records. When searching for the Stillman variant (Family Group 2a, Maritime Canada), Findmypast’s British Isles and Canadian collections are worth checking alongside Ancestry and FamilySearch.
Search Strategies by Record Type
US Federal Census Records (1790–1940)
Census records are especially prone to spelling variation because enumerators wrote what they heard from people who may have had accents and non-English surnames. Strategies:
- Always use Soundex or fuzzy search first in census collections. The Soundex code D455 will catch most primary variants automatically.
- Browse by county when fuzzy searching produces too many false positives. If you know your ancestor was in Lancaster County, Pennsylvania, browse that county’s census images directly rather than relying on index searching.
- Check surrounding households once you find a match — relatives and neighbours with variant spellings often appear nearby on the same enumeration page.
- 1880–1940: The Ancestry and FamilySearch indexes are generally reliable. 1790–1870: Indexes are less complete; more browsing may be required, particularly for early Pennsylvania Dillman families.
German Church and Civil Records
In German records, the original manuscript spelling is authoritative, but indexers may have transcribed it differently. When searching Archion or FamilySearch German collections:
- Try both Dillmann and Dielmann for any Hessian parish — the two forms appear interchangeably in the same church books depending on the year and minister.
- In Baden-Württemberg, try Dihlmann as an additional variant.
- In Alsace (Bas-Rhin and Haut-Rhin), try Dillemann and Dielemann as well as Dillmann.
- Do not rely solely on online indexes for German records — many church books on Archion and Matricula are image-only and require browsing. Once you identify the correct parish, read through the books page by page for the relevant decades.
Naturalization and Immigration Records
Naturalization papers, declarations of intent, and passenger lists are critical records for connecting North American Dillmans to their German origins. These records often show the original German spelling alongside the anglicised version:
- Passenger lists: Hamburg lists (pre-1914) and Ellis Island records typically preserve the original European spelling. Search for both Dillmann and Dielmann when looking for immigrant ancestors.
- Declaration of Intent (“First Papers”): Often states the precise birthplace in Germany, which is critical for linking to church records. May spell the name differently than the later Petition for Naturalization.
- Volga German immigrants: Ancestors from Norka, Frank, Reinwald, and other Volga colonies typically appear in US records as Dillman or Dillmann but may appear in Russian and German colony records as Dillmann. The Norka Russia database uses consistent Dillmann spelling.
Pennsylvania German Church Records
Early Pennsylvania Dillman families (primarily Family Groups 1, 2, 89, 96, 129, 137) attended Lutheran and Reformed congregations whose records are indexed in the Pennsylvania German Church Records collection on Ancestry and in the Demberly database. These records often use German spelling (Dillmann) even when later civil records use the anglicised Dillman.
Your Personal Variant Checklist
Before beginning any major search, build a checklist of the variants most likely to apply to your specific family. Use the Dillman Surname Index to identify your ancestor’s family group, then check the Family Group Sheet for the spelling variants documented for that line. A typical checklist might look like:
- ☐ Dillman (anglicised, most common North American form)
- ☐ Dillmann (German form, pre-immigration records)
- ☐ Dilman (single-l, census transcription error)
- ☐ [Region-specific variant, e.g. Dielmann for Hessian lines]
- ☐ Tillman (if your line used this spelling post-immigration)
- ☐ Stillman (if Nova Scotia / New Brunswick, Family Group 2a only)
- ☐ Dutch form (if Netherlands origin, e.g. Dieleman, Deelman)
💬 Stuck on a variant? Post your question in the DFA Forums or contact us at webmaster@dillmanfamilyassociation.org. Other members researching the same line may have already solved the variant puzzle for your family group.