Lanctot Family History
Lanctot Name Meaning
French (also Lanctôt): variant of Lanqueteau (or in North America an altered form of this) from Anqueteau a derivative of the personal name Anquetil (see Anctil ) with fused definite article l'. Both forms of the surname Lanctot and Lanqueteau are virtually non-existing in France.
Source: Dictionary of American Family Names 2nd edition, 2022