Genealogy
LeClaire genealogy
LeClaire genealogy in this archive refers to the specific documented descent of the House of LeClaire — not to every family bearing a similar surname. Every generation is anchored in primary or published record. See the canonical House of LeClaire entity page for the full authority hub.
Evidence: Published Genealogy
Recorded spellings of the surname
The House of LeClaire is documented under seven spellings
Medieval and early-modern records of this family show a continuous thread of the same surname under a variety of orthographies. Every spelling below refers to the same documented lineage of the House of LeClaire.
- Le Clercc. 1310 – 17th century · Lorraine, FranceThe earliest documented spelling of the House. Appears in the 1355 charter of Mengin (Moingins) Le Clerc, ancestor of the line.
- Leclerc16th century – present · France (nationwide)The modern French one-word spelling, standardised after the Renaissance and still the most common form in France today.
- Le Clair16th – 19th century · Lorraine, RhinelandA transitional spelling recorded during the family's eastward movement into the Rhineland; a phonetic softening of Le Clerc.
- Leclair17th century – present · France, Québec, LouisianaA widespread one-word French and Franco-North-American variant, borne today by families in France, Canada and the United States.
- Le Claire18th – 19th century · England, FranceThe Anglicised two-word spelling adopted as the family established itself in Britain from the eighteenth century onward.
- LeClaire19th century – present · England, United StatesThe modern one-word English spelling now borne by the principal line of the House, from the late nineteenth century to the present day.
- Licklär17th – 19th century · Rhineland, Palatinate, GermanyThe Germanised phonetic rendering used by the Rhineland branch, reflecting how French Le Clerc sounded to German ears after generations east of the Rhine.
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