From ee0b7089d01b99b89fbdc397ccdbf8f6f95ae5a5 Mon Sep 17 00:00:00 2001
From: Kevin Sheppard <bashtage@users.noreply.github.com>
Date: Tue, 6 Sep 2022 20:16:17 +0100
Subject: [PATCH] Backport PR #48414: DOC: Add deprecation to is_categorical

---
 pandas/core/dtypes/common.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pandas/core/dtypes/common.py b/pandas/core/dtypes/common.py
index 1173703386491..f5262aa7ceeaa 100644
--- a/pandas/core/dtypes/common.py
+++ b/pandas/core/dtypes/common.py
@@ -280,6 +280,9 @@ def is_categorical(arr) -> bool:
     """
     Check whether an array-like is a Categorical instance.
 
+    .. deprecated:: 1.1.0
+        Use ``is_categorical_dtype`` instead.
+
     Parameters
     ----------
     arr : array-like