Sill Family History
Sill Surname Meaning
English: from the Middle English personal name Sil a pet form of Silvester Silvein (see Selwyn) or perhaps Cecily (see Sisley). Compare Silcox Sillett.
English: habitational name from one or more places called with Old English syle sylu ‘bog mire’.
North German: topographic name from Low German süll sill ‘sill threshold ramp’.
German: metonymic occupational name from Middle High German sil(e) ‘rope of the harness (for horses etc.)’ for a maker or user of such equipment.
Source: Dictionary of American Family Names 2nd edition, 2022
