Thare iz no man so necessary in this world, but that when he dies hiz plase iz quickly filled, and he iz soon forgotten.

[There is no man so necessary in this world, but that when he dies his place is quickly filled, and he is soon forgotten.]

Josh Billings (1818-1885) American humorist, aphorist [pseud. of Henry Wheeler Shaw]

Everybody’s Friend, Or; Josh Billing’s Encyclopedia and Proverbial Philosophy of Wit and Humor, ch. 281 “Variety: Bred and Butter” (1874)
    (Source)

See Hubbard (1907).