Probably Caillard,(1) Paris (sale, Paris, Jean Baptiste Pierre Lebrun, 12 Apr. 1797, lot 53, "L. Lahire, L’Assomption de la Vierge, composition de vingt-deux figures. Tableau rempli de finesse & d’une belle conservation. Haut. 28 po[uces] 1/2, larg. 19 p[ouces] 1/2," sold for 301 frs. to); [Mathieu-François-Louis Devouge, Paris].(2) Probably Caillard, Paris (sale, Paris, Jean Baptiste Pierre Lebrun, 2 May 1809, lot 128, "L’Assomption de la Vierge, composition de vingt figures, sur Toile, Haut. 27 po., larg. 18").(3) Andrew S. Ciechanowiecki (1924–2015), London, by 1973, sold 2000 to; LACMA.
(1) This is probably Antoine Bernard Caillard (1737–1807), who served as French chargé d’affaires at Philadelphia following the end of the American Revolution. A sale of his rare book collection that took place in Paris following his death identifies him as "ancient Ministre plenipotentiaire de France à Ratisbonne et à Berlin, etc., membre de la Légion d’honneur."
(2) According to the Getty Provenance Index, Sales Contents Database, the painting was apparently bought in because it reappears for sale by Caillard in 1808.
(3) According to the Getty Provenance Index, Sales Contents Database, a copy of the catalogue F-193 is annotated "détestable tab[leau] [JPH]."