La casa de Sullivan.
house = casa
'in-house' - interior, interno/a
el casa = a house
"hen house" translates to, "gallinero" in Spanish.
John Sullivan House was created in 1764.
Sullivan. It's a proper name. Of Irish origin. You would not change it: it IS the person's name! To avoid ambiguity, if you wanted a Spanish-speaker to say it as in English, you could spell it with one 'l' - 'Sulivan', but even then it would emerge as something like 'Sooliban'. The letters 'll' in Spanish are pronounced a bit like 'y' as in English ''yet'; so a Spanish-speaker encountering (written) 'Sullivan' for the first time, might pronounce it something like 'Soolyiban' ('v' in Spanish approximates to 'b').
en la casa del mayordomo is the spanish for at the butler's house
old house = casa vieja.
A beautiful house in Spanish is "Una casa hermosa".
tu casa es mi casa
casa nueva
Casa blanca